TSMC

Executive Summary

Profile

World’s largest dedicated pure-play semiconductor foundry, incorporated in Taiwan in 1987; TSMC pioneered the fabless foundry business model — manufacturing chips designed by customers without competing in end-product markets. It serves fabless companies and integrated device manufacturers across high-performance computing, smartphones, IoT, automotive, and consumer electronics, with no single controlling shareholder or parent company.

Scale & Footprint

• Market cap implied by ADR close of $368.08 (April 21, 2026); FY2025 consolidated net revenue of NT$3,809.05 billion; Q1 2026 revenue of NT$1,134.10 billion (US$35.90 billion); served 534 customers in 2025 across more than 17 million 12-inch equivalent wafers of annual capacity
• More than 83,000 employees globally as of end-FY2024, with plans to hire approximately 8,000 additional employees globally throughout 2026
• Operations: Hsinchu, Taiwan (headquarters); Service Coverage: Taiwan (primary manufacturing), United States (Arizona, Washington), Japan (Kumamoto), China (Nanjing), with customer support offices in North America, Europe, Japan, China, and South Korea, and a joint-venture fab announced in Dresden, Germany

What You Should Know

• Structural AI demand tailwind with near-term supply constraint: Advanced-node capacity (7nm and below) represented 74% of wafer revenue in Q1 2026, with 2nm capacity reportedly fully booked for 2026; management acknowledged advanced-node supply was approximately three times short of major customer demand, signaling durable revenue visibility alongside near-term CoWoS packaging bottlenecks.
• Material export control enforcement risk remains unresolved: The U.S. Department of Commerce investigation into chips supplied to Sophgo — found in Huawei’s Ascend 910B — carried a reported potential penalty of $1 billion or more as of April 2025, with no settlement announced; this is the most significant regulatory overhang in the current profile.
• Ongoing trade secret leakage pattern at senior levels: The November 2025 suit against a former SVP, the December 2025 Tokyo Electron Taiwan corporate indictment, and an August 2025 2nm data breach collectively indicate a recurring and escalating exfiltration risk concentrated in the company’s most advanced process nodes.
• Combined Chairman-CEO structure introduces key-person governance concentration: C.C. Wei assumed both roles in June 2024 with no publicly identified successor for either position, concurrent with the largest capital deployment program in TSMC’s history.

Ownership & Governance

• Publicly listed with no controlling shareholder; the R.O.C. government’s National Development Fund is the largest single disclosed holder at 6.38% of outstanding shares; institutional investors collectively represent approximately 44% of shares outstanding with the general public holding approximately 49%
• Ten-member Board elected June 2024, with seven of ten seats held by independent directors (70%); standing Audit and Risk, Compensation and People Development, and Nominating, Corporate Governance and Sustainability committees are fully constituted; C.C. Wei (Chairman and CEO) and F.C. Tseng are the two non-independent directors

Business Environment

• Dominant position in the global pure-play foundry market at approximately 72% share as of Q3 2025, producing approximately 90% of the world’s most advanced chips; nearest advanced-node competitor Samsung Foundry remains materially behind on yield metrics
• Sharply accelerating financial trajectory: gross margin expanded from 54.4% in 2023 to 66.2% in Q1 2026; free cash flow reached approximately 26% of FY2025 revenue; management guided full-year 2026 revenue growth above 30% in U.S. dollar terms
• Geographic and capacity diversification underway at unprecedented scale: US$165 billion Arizona commitment covering up to six fabs, JASM volume production commenced end-2024, ESMC joint venture groundbreaking held August 2024; CHIPS Act funding of up to US$6.6 billion direct and up to US$5 billion in proposed loans secured November 2024
• Margin headwinds from 2nm ramp (2%–3% dilution) and overseas fab ramp-up costs (3%–4% dilution in later stages) are management-disclosed and will pressure near-term profitability despite strong demand

Specific Risk

• Export control enforcement exposure: U.S. Department of Commerce investigation into Sophgo-Huawei chip supply chain; Reuters reported potential penalty of $1 billion or more (April 2025); matter unresolved as of April 2026
• Trade secret exfiltration pattern: November 2025 lawsuit against former SVP Wei-Jen Lo (now at Intel) for alleged 5nm/3nm/2nm trade secret misappropriation; December 2025 corporate indictment of Tokyo Electron Taiwan unit; August 2025 unauthorized 2nm process data breach — all active matters involving the most advanced nodes
• Customer concentration risk: Top ten customers represented 76% of FY2024 net revenue (up from 68% in 2022), with the top two customers (publicly identified as Apple at 22% and Nvidia at 12%) representing concentrated single-customer exposure
• U.S. workplace litigation: Two active class actions — Howington (N.D. Cal., filed August 2024) alleging discrimination and hostile environment, and Yeh (W.D. Wash., filed April 2026) alleging systemic discrimination at the Arizona facility — with media-reported plaintiff expansion and a concurrent ADOSH fine following a fatal construction site incident
• Overseas fab margin dilution and ramp risk: Management-guided 3%–4% gross margin dilution from overseas fab ramp-up costs; CHIPS Act agreement restricts buybacks for five years and requires profit-sharing with the U.S. government, reducing capital return flexibility if Arizona and JASM yields ramp below plan

—

1) Overview of the Company

Taiwan Semiconductor Manufacturing Company Limited (TSMC) was incorporated on February 21, 1987, and is headquartered in Hsinchu, Taiwan. The company is publicly listed on the Taiwan Stock Exchange (TWSE: 2330) and the New York Stock Exchange (NYSE: TSM), with a fiscal year ending December 31. TSMC pioneered the dedicated IC foundry business model — manufacturing semiconductor products designed by its customers without competing with them by developing or marketing products under its own name. Its stated mission is to be the trusted technology and capacity provider for the global logic IC industry, and its vision is to be the most advanced and largest technology and foundry services provider to fabless companies and integrated device manufacturers (IDMs). Core values are articulated as Integrity, Commitment, Innovation, and Customer Trust.

TSMC’s value creation framework rests on what the company describes as a “Trinity of Strengths”: technology leadership competitive with leading IDMs, manufacturing excellence, and customer trust as a service-oriented foundry. Its primary capabilities span advanced logic process technologies — branded as N2, N3, N4, N5, and N7 node families — as well as specialty and mature nodes. Advanced packaging is offered under the 3DFabric® platform, which encompasses CoWoS®, InFO, and TSMC-SoIC® technologies. The Open Innovation Platform® (OIP) supports customers in reducing design obstacles and improving yields, and includes branded services such as eFoundry®, CyberShuttle®, and the University FinFET Program.

Target end markets include high-performance computing (HPC), smartphones, the Internet of Things (IoT), automotive, and digital consumer electronics. In Q1 2026, HPC accounted for 61% of total revenue and smartphones for 26%, reflecting the company’s increasing orientation toward AI and data center-driven demand. In 2025, TSMC served 534 customers and manufactured chips across more than 17 million 12-inch equivalent wafers of annual capacity. By fiscal year 2024, the company employed more than 83,000 people worldwide, a figure representing sustained headcount growth in line with capacity expansion.

Notable clients served by TSMC include Apple, Nvidia, Advanced Micro Devices (AMD), Broadcom, Intel, and Qualcomm, per third-party reporting. The company’s manufacturing footprint in Taiwan comprises six 12-inch wafer GIGAFAB® fabs, four 8-inch wafer fabs, and one 6-inch wafer fab. Key manufacturing subsidiaries include TSMC Arizona Corporation (4nm volume production initiated Q4 2024, with a third fab groundbreaking in April 2025 as part of a US$165 billion Arizona investment commitment), Japan Advanced Semiconductor Manufacturing, Inc. (JASM) in Kumamoto, Japan (volume production commenced end of 2024), TSMC Nanjing Company Limited (12-inch wafer fab in China), TSMC Washington (8-inch wafer fab in the United States), and TSMC China Company Limited (8-inch wafer fab). Customer support and engineering services are provided through offices in North America, Europe, Japan, China, and South Korea. A European Semiconductor Manufacturing Company (ESMC) joint venture in Dresden, Germany, has also been announced in partnership with Robert Bosch, Infineon, and NXP Semiconductors, targeting automotive and industrial applications.

Independent auditors are Shih Tsung Wu and Shang Chih Lin of Deloitte & Touche, Taipei. The company files on Form 20-F with the U.S. SEC and makes material announcements to the Taiwan Stock Exchange. TSMC’s manufacturing facilities hold ISO 14001:2015 and ISO 45001:2018 certifications, and the company has maintained inclusion in the Dow Jones Sustainability World Index for 24 consecutive years as of 2024.

TSMC is a market leader in the global pure-play semiconductor foundry industry, producing a dominant share of the world’s most advanced chips. Regarding recent leadership changes: Chairman Mark Liu announced in December 2023 his retirement effective June 2024, with Dr. C.C. Wei succeeding him as Chairman while also retaining the role of CEO, as confirmed per the April 2026 Q1 2026 investor presentation. Mr. Y.P. Chyn and Dr. Y.J. Mii were appointed as Executive Vice Presidents and Co-Chief Operating Officers, effective March 1, 2024, and Ray Chuang was appointed CEO of the Arizona subsidiary effective October 1, 2025, replacing Y.L. Wang.

2) History

TSMC was incorporated on February 21, 1987, as a joint venture among the R.O.C. government, Koninklijke Philips Electronics N.V., and private investors, and was established in Hsinchu Science Park, Taiwan. Its founding rationale was to introduce a dedicated IC foundry business model — manufacturing semiconductors designed by customers without developing or marketing its own products — at a time when the semiconductor industry was dominated by vertically integrated device manufacturers. Morris Chang, the founding chairman, pioneered this concept, for which he was later recognized with the 2011 IEEE Medal of Honor.

TSMC listed its common shares on the Taiwan Stock Exchange on September 5, 1994. On October 8, 1997, TSMC listed American Depositary Shares on the NYSE under the symbol TSM, becoming the first Taiwan company to do so and raising approximately US$520 million in the initial offering. Philips subsequently reduced its stake through a secondary ADS offering registered in May 2007.

In mid-1996, TSMC commenced construction of WaferTech, a US$1.2 billion joint venture foundry in the United States with partners including Altera, Analog Devices, and ISSI, which began volume production in mid-1998. TSMC also entered a Singapore joint venture, Systems on Silicon Manufacturing Company Pte Ltd. (SSMC), via a shareholders agreement signed in March 1999 with Philips and EDB Investments; TSMC and NXP B.V. later acquired EDB Investments’ SSMC stake in November 2006. A significant consolidation occurred in June 2000 when TSMC acquired TSMC-Acer Semiconductor Manufacturing Corp. and merged with Worldwide Semiconductor Manufacturing Corporation (WSMC), with TSMC as the surviving entity.

Technology milestones shaped the company’s competitive differentiation over successive decades. TSMC was first to achieve proven low-k commercial production at 0.13-micron and 90nm nodes in early 2004, and fully qualified 65nm production in 2006. The company commenced volume production at its 300mm Fab 14 in Q4 2004. The Open Innovation Platform (OIP) was formalized with Reference Flow 9.0 in 2008 and expanded through successive releases, enabling fabless design ecosystems that competitors lacked at comparable scale. The 16nm FinFET process entered risk production in November 2013, at which point the Board also appointed Dr. Mark Liu and Dr. C.C. Wei as President and Co-Chief Executive Officer. The 20nm SoC technology entered volume production in 2014. In 2017, TSMC transitioned from annual to quarterly cash dividends in 2019 and established a dedicated ESG department. The 5nm (N5) technology entered volume production in the first half of 2020, followed by 3nm high-volume production ramping strongly in the second half of 2023. Mass production of 2nm technology utilizing Gate-All-Around nanosheet transistors commenced in Q4 2025 at Hsinchu and Kaohsiung sites. In 2011, TSMC formed TSMC Solar Ltd. and TSMC Solid State Lighting Ltd. as wholly owned subsidiaries to pursue adjacent markets.

Geographic expansion accelerated markedly in the 2020s. In May 2020, TSMC announced an initial US$12 billion Arizona investment. In December 2022, the Arizona investment commitment was raised to US$40 billion with the announcement of a second fab; this was further expanded in March 2025 to US$165 billion covering three additional fabs, two advanced packaging facilities, and an R&D center. The first Arizona fab entered volume production of 4nm technology in Q4 2024, and the third fab groundbreaking was held in April 2025. TSMC Arizona secured up to US$6.6 billion in direct funding and up to US$5 billion in proposed loans from the U.S. Department of Commerce under the CHIPS and Science Act, formalized in November 2024. JASM was established in December 2021 in Kumamoto, Japan, with Sony Semiconductor Solutions Corporation and DENSO Corporation as minority shareholders; its first fab opened ceremonially in February 2024 and commenced volume production at end of 2024. TSMC’s Nanjing subsidiary received a U.S. Validated End-User status in 2022 to import controlled items without individual licenses; upon expiration of that status on December 31, 2025, the U.S. Department of Commerce granted an annual import license effective January 1, 2026. In August 2023, TSMC announced the ESMC joint venture in Dresden, Germany, holding a 70% equity stake alongside Robert Bosch, Infineon Technologies, and NXP Semiconductors, with a groundbreaking ceremony held in August 2024. WaferTech, the original U.S. joint venture, was renamed TSMC Washington effective December 14, 2023.

On the governance side, Dr. Shang-yi Chiang retired as Co-COO in November 2013. In February 2023, the Board established a Nominating, Corporate Governance and Sustainability Committee. Dr. Mark Liu was announced as retiring in December 2023, effective June 2024, with Dr. C.C. Wei elected Chairman and CEO by the newly elected Board on June 4, 2024. A trade secret incident emerged in August 2025 when internal monitoring detected unauthorized access to 2nm process data; Taiwan prosecutors arrested three individuals, and the matter was framed under Taiwan’s National Security Act as involving National Core Critical Technologies. In November 2024, TSMC suspended shipments of 7nm and more advanced chips for AI and high-performance computing applications to Chinese customers to ensure U.S. export control compliance. TSMC announced plans at its April 2026 earnings call to wind down its legacy Fab 2 (six-inch) and Fab 5 (eight-inch) facilities to focus on gallium nitride applications and optimize space for leading-edge production.

3) Key Executives

C.C. Wei serves as Chairman and Chief Executive Officer of TSMC, having been elected to the combined role by the Board of Directors on June 4, 2024, succeeding Mark Liu as Chairman while retaining the CEO position he had held since June 2018. He joined TSMC in 1998 following earlier roles as a Member of Technical Staff at Texas Instruments, Senior Manager at STMicroelectronics, and Senior Vice President of Technology at Chartered Semiconductor Manufacturing Ltd. Within TSMC, he progressed through Senior Vice President of Business Development, Co-Chief Operating Officer (March 2012 to November 2013), and President and Co-CEO (November 2013 to June 2018) before becoming sole CEO. He holds a B.S. in Electrical Engineering from National Chiao Tung University and a Ph.D. in Electrical Engineering from Yale University, and previously served as Chairman of the Taiwan Semiconductor Industry Association from 2017 to 2019.

Wendell Huang serves as Senior Vice President and Chief Financial Officer, also holding the role of Company Spokesperson. He joined TSMC in 1999, having previously held positions at ING Barings and Chase Manhattan Bank, and has progressed internally from Vice President and CFO to his current Senior Vice President designation. He holds a Master of Business Administration from Cornell University and also serves as Director, Supervisor, and/or President of various TSMC subsidiaries and an affiliate.

Y.P. Chyn was appointed Executive Vice President and Co-Chief Operating Officer effective March 1, 2024, having joined TSMC at its founding in 1987, where he previously served as Director of Fab 1 and as Senior Vice President of Operations. In his current role he oversees the Co-COO Office and all fab operations in Taiwan and overseas, and is recognized for pioneering the Golden Spice Modeling methodology and TSMC’s Design for Manufacturing program. He holds undergraduate and master’s degrees in Electrical Engineering from National Cheng Kung University in Taiwan.

Y.J. Mii was appointed Executive Vice President and Co-Chief Operating Officer effective March 1, 2024, having joined TSMC in 1994 and transitioned to the R&D organization in 2001, where he managed the development of successive process nodes from 90nm through 5nm before being named Senior Vice President of Research and Development in November 2016. He previously conducted research at the IBM Research Center and holds a B.S. in Electrical Engineering from National Taiwan University and both M.S. and Ph.D. degrees in Electrical Engineering from UCLA; he holds 34 patents globally and received the IEEE Frederik Philips Award in 2022.

Cliff Hou serves as Senior Vice President, Deputy Co-Chief Operating Officer (deputy to Y.P. Chyn), and Chief Information Security Officer, with the CISO designation effective January 1, 2025. He joined TSMC in 1997 and previously served as Senior Vice President of Europe & Asia Sales as well as Vice President of Design and Technology Platform and Technology Development; he holds 44 U.S. patents. He earned a Ph.D. in Electrical Engineering from Syracuse University and also serves as director of a TSMC subsidiary.

Kevin Zhang serves as Senior Vice President, Business Development and Global Sales, and Deputy Co-Chief Operating Officer (deputy to Y.J. Mii), having joined TSMC in 2016. Prior to TSMC, he was Vice President of the Technology and Manufacturing Group and Director of Circuit Technology at Intel, where he was elected an Intel Fellow in 2005 and received five Intel Achievement Awards. He holds a Ph.D. in Electrical Engineering from Duke University.

Sylvia Fang serves as Senior Vice President and General Counsel, also holding the roles of Corporate Governance Officer and Board Secretary. She joined TSMC in 1995 and previously served as Senior Associate at Taiwan International Patent and Law Office (TIPLO) before progressing internally from Associate General Counsel to Vice President and General Counsel and then to her current Senior Vice President designation. She holds an LLB from National Taiwan University and a Master of Comparative Law from the University of Iowa College of Law, is admitted as an attorney in Taiwan, and is the founder and former Chairman of the Taiwan Association for Trade Secret Protection.

Lora Ho serves as Senior Vice President, Human Resources, having joined TSMC in 1999. She previously held the roles of Chief Financial Officer and Spokesperson at TSMC as well as Senior Vice President of Europe and Asia Sales, and currently also serves as Director and/or Supervisor of TSMC subsidiaries. She holds a Master of Business Administration from National Taiwan University.

4) Ownership

TSMC is a publicly listed company with no controlling shareholder or parent company. Its shares trade on the Taiwan Stock Exchange (TWSE: 2330) and its American Depositary Shares trade on the New York Stock Exchange (NYSE: TSM). As of February 28, 2025, total listed shares stood at 25,932,733,242 against an authorized share capital of 28,050,000,000 common shares. No single entity holds a majority stake, and ownership is broadly distributed across government, institutional, and public investors.

The largest identified shareholder is the National Development Fund, Executive Yuan — an arm of the R.O.C. government — which holds 6.38% of outstanding shares (1,653,709,980 shares) as of February 28, 2025, per the 2024 Annual Report. This represents the sole shareholder with a disclosed stake exceeding 5%. Among institutional investors, per third-party data from Investing.com and Simply Wall St (not independently verified through primary disclosure), Capital Research and Management Company holds approximately 5.48%, The Vanguard Group holds approximately 4.08–4.09%, BlackRock holds approximately 3.44–3.45%, FMR LLC holds approximately 2.17%, Norges Bank Investment Management holds approximately 1.77%, and JP Morgan Asset Management, Baillie Gifford & Co., Fidelity International, and Sanders Capital each hold below 1%. Institutional investors collectively represent approximately 44% of shares outstanding, per Simply Wall St data (unverified through primary disclosure), with the general public holding approximately 49%. Individual insiders collectively hold approximately 0.37%. Chairman and CEO C.C. Wei holds 0.02% (6,392,834 shares) and Director F.C. Tseng holds 0.11% (29,472,675 shares) as of February 28, 2025.

The Board of Directors consists of ten members elected at the 2024 Annual Shareholders’ Meeting on June 4, 2024. Of the ten seats, seven are held by independent directors, representing 70% of the board. The two non-independent directors are C.C. Wei (Chairman and CEO) and F.C. Tseng. The independent directors are Sir Peter L. Bonfield, Michael R. Splinter, Moshe N. Gavrielov, Dr. L. Rafael Reif, Ursula M. Burns, Lynn L. Elsenhans, and Dr. Chuan Lin. The number of female directors increased from one to two following the June 2024 election. The National Development Fund’s board seat is held by Chin-Ching Liu, who succeeded Ming-Hsin Kung effective June 6, 2024. A third-party source also reports the election of Rose Castanares to the Board was approved on December 19, 2025, though this has not been confirmed through primary TSMC filings.

The Board maintains three standing committees. The Audit and Risk Committee is chaired by Sir Peter L. Bonfield and includes all seven independent directors — Michael R. Splinter, Moshe N. Gavrielov, Dr. L. Rafael Reif, Ursula M. Burns, Lynn L. Elsenhans, and Dr. Chuan Lin — as well as Jan C. Lobbezoo serving as Financial Expert Consultant. The Compensation and People Development Committee is chaired by Michael R. Splinter and includes Sir Peter L. Bonfield, Moshe N. Gavrielov, and Ursula M. Burns. The Nominating, Corporate Governance and Sustainability Committee is chaired by Dr. Chuan Lin and includes C.C. Wei, Dr. L. Rafael Reif, and Lynn L. Elsenhans. Under R.O.C. law, any shareholder holding at least 1% of total outstanding common shares may nominate a board candidate.

Regarding capital raised, TSMC’s Board approved the issuance of unsecured domestic corporate bonds not to exceed NT$60 billion in November 2024 to finance capacity expansion and pollution prevention expenditures. In 2024, TSMC issued NT$34,300,000 thousand in unsecured corporate bonds. In November 2025, TSMC and its subsidiaries issued three tranches of unsecured NT-dollar bonds raising a combined NT$23.5 billion. The Board approved a share repurchase authorization on June 5, 2024, covering 3,249,000 common shares for the purpose of offsetting dilution from employee restricted stock awards.

5) Financial Position

TSMC’s ADR (NYSE: TSM) closed at $368.08 on April 21, 2026, with a 52-week range of $145.84 to $390.21. The one-year ADR price return was +133.24%, reflecting sharply improved earnings performance, and the five-year return on the ADR was approximately 247.89% as of April 21, 2026.

Profitability has expanded materially over the three-year period from 2023 through early 2026. Consolidated net revenue for full-year 2025 reached NT$3,809.05 billion, and net income was NT$1,715.40 billion, per the Q4 2025 consolidated financial statements. For FY2024, consolidated revenue was NT$2,894.31 billion (US$90.08 billion), a 33.9% increase year-over-year in NT dollar terms. In Q1 2026, the company reported net revenue of NT$1,134.10 billion (US$35.90 billion). Gross margin progressed from 54.4% in 2023 to 56.1% in 2024, 59.9% in full-year 2025, and 66.2% in Q1 2026. Operating margin followed a parallel trajectory: 42.6% in 2023, 45.7% in 2024, 50.8% in 2025, and 58.1% in Q1 2026. Net profit margin reached 46.51% on a trailing twelve-month basis as of April 2026, up from 38.8% in 2023. Diluted EPS grew from NT$32.34 in 2023 to NT$45.25 in 2024 and NT$66.25 in 2025, a cumulative increase of 104.8% over two years. Annualized ROE reached 40.5% in Q1 2026, against a long-term management target of ROE in the high-20s% through the cycle, indicating performance well above stated objectives. ROA stood at approximately 17.32% on a trailing twelve-month basis as of April 2026.

Revenue mix remains concentrated by customer: the ten largest customers accounted for approximately 76% of net revenue in 2024, and customers representing at least 10% of net revenue are identified as a concentration risk in company filings. Geographically, North America accounted for 70% of net revenue in 2024 and China accounted for 11%, providing meaningful geographic diversification outside the China exposure that is subject to export control risk.

Efficiency metrics have tightened over the review period. Days of receivables fell from 31 days in Q4 2023 to 27 days in Q4 2024. Inventory days improved from 85 days in Q4 2023 to 74 days in Q4 2025 before rising to 80 days in Q1 2026, reflecting inventory build associated with the 2nm technology ramp. Accounts receivable turnover for FY2025 was 13.50 per WSJ financial data.

The balance sheet is conservatively structured. The current ratio has been stable at 2.4x–2.6x across Q4 2024 through Q1 2026, and net working capital reached NT$2,551.26 billion at end of Q1 2026. Total liabilities represented 31.2% of total assets as of December 31, 2025, and the total debt-to-equity ratio was approximately 17.13%–17.25% as of early 2026. Long-term interest-bearing debt stood at NT$896.06 billion as of December 31, 2025. As of April 5, 2026, outstanding debt obligations include NT$484.70 billion in domestic NTD corporate bonds, US$2.0 billion in domestic USD corporate bonds, US$5.50 billion in senior unsecured notes guaranteed by TSMC and issued through TSMC Global Ltd., and US$9.00 billion in senior unsecured notes issued by TSMC Arizona Corporation and guaranteed by TSMC. TSMC carries issuer credit ratings of AA- from S&P and Aa3 from Moody’s.

Cash flow generation has accelerated sharply. Operating cash flow grew from NT$1,241.97 billion in 2023 to NT$1,826.18 billion in 2024 and NT$2,274.98 billion in 2025, a 24.6% year-over-year increase in 2025. Free cash flow expanded from NT$292.15 billion in 2023 to NT$870.17 billion in 2024 and NT$1,002.57 billion in 2025, representing a free cash flow margin of approximately 26% of FY2025 revenue. In Q1 2026 alone, operating cash flow was NT$698.97 billion and free cash flow was NT$348.21 billion. Cash and marketable securities totaled NT$3,068.59 billion as of December 31, 2025, rising to approximately TWD 3.4 trillion (about $106 billion) at end of Q1 2026.

Capital deployment priorities are oriented heavily toward organic capacity expansion. CapEx totaled NT$956.01 billion in 2024 and NT$1,272.41 billion in 2025, a 33.1% year-over-year increase. Q1 2026 CapEx was NT$350.76 billion (US$11.10 billion), and management has guided to a full-year 2026 capital budget at the high end of the $52 billion to $56 billion range. Property, plant, and equipment reached TWD 3,735,760 million at end of FY2025. A January 2026 land acquisition in Phoenix, Arizona, totaling 900 acres for US$197.25 million further extended the physical footprint for planned six-fab U.S. expansion. Shareholder returns continue alongside this investment program: cash dividends paid totaled NT$363.05 billion in 2024 and NT$466.78 billion in 2025 (approximately US$15.0 billion). Under the CHIPS Act agreement finalized in November 2024, TSMC agreed to forgo stock buybacks for five years (subject to exceptions) and to share excess profits with the U.S. government under an upside-sharing arrangement.

Management’s guidance for Q2 2026 is revenue of $39.0–$40.2 billion, with gross margin of 65.5%–67.5% and operating margin of 56.5%–58.5%. Full-year 2026 revenue is expected to grow above 30% in U.S. dollar terms. Margin headwinds include 2%–3% gross margin dilution from the 2nm technology ramp and a projected 3%–4% dilution in later stages from overseas fab ramp-up costs. Long-term AI accelerator revenue is expected to grow at a CAGR in the mid- to high-50s% through 2029. Key risks disclosed in filings and earnings include customer concentration (top 10 at approximately 76% of revenue), supply chain dependence on sole-sourced raw materials, export control restrictions on advanced chip shipments to China, equipment supply constraints, and intellectual property litigation exposure.

6) Market Position

TSMC occupies the dominant position in the global pure-play semiconductor foundry industry. Per Motley Fool analysis dated March 2026 and corroborated by multiple third-party sources, the company held approximately 72% of the pure foundry market as of Q3 2025. Taiwan News reported TSMC’s global foundry market share at 70.4% in Q4 2025, with revenue of approximately NT$1.07 trillion in that quarter, representing a 2% sequential increase. Per company disclosures, TSMC represented 34% of the broader “Foundry 2.0” industry output value in 2024, up from 28% in 2023 — a measure that incorporates captive foundry volumes from integrated device manufacturers. Third-party analysis indicates that TSMC produces approximately 60% of the world’s semiconductor supply and approximately 90% of the world’s most advanced semiconductor chips.

The competitive landscape is characterized by meaningful barriers to entry and significant concentration at the frontier. Per industry databases, primary competitors in the pure-play foundry segment include Samsung Foundry, GlobalFoundries, SMIC, UMC, Hua Hong Semiconductor, Tower Semiconductor, DB HiTek, and Vanguard International Semiconductor. In terms of scale and technology, the relevant large competitors are Samsung Foundry and SMIC; Samsung Foundry competes at advanced nodes while SMIC remains constrained to mature nodes below 7nm due to export control restrictions on advanced lithography equipment. Specialist mid-tier foundries such as GlobalFoundries, UMC, Tower Semiconductor, and Hua Hong Semiconductor compete primarily in differentiated and mature process nodes rather than at the leading edge. Intel Foundry Services represents an additional entrant in the leading-edge segment under Intel’s IDM 2.0 strategy. Per independent research cited in a Rutgers University white paper (2025), TSMC’s 5nm-class yields exceeded 80% in 2024, while comparable advanced process yields at competitors remained in the 60%–70% range — a quantified manufacturing quality differential that reinforces its competitive position.

Customer concentration is a structural feature of TSMC’s revenue profile. Per the 2024 Annual Report, the ten largest customers accounted for 76% of net revenue in 2024, up from 70% in 2023 and 68% in 2022. The single largest customer (publicly identified as Apple by third-party sources) represented 22% of net revenue in 2024; the second largest (publicly identified as Nvidia) represented 12%. Third-party LinkedIn data (unverified through primary disclosure) estimates the top-ten customer composition as: Apple (25.18%), Nvidia (10.11%), Broadcom (6.45%), Qualcomm (6.45%), AMD (5.54%), MediaTek (5.21%), Intel (3.91%), Sony (1.92%), Marvell (1.45%), and Amazon (1.16%). North America accounted for 70% of FY2024 net revenue and 75% of Q4 2024 revenue, reflecting the geographic concentration of TSMC’s most advanced-node customers. The company served 534 customers in 2025, up from 522 in 2024 and 532 in 2022, deploying 305 distinct process technologies.

TSMC’s Open Innovation Platform (OIP) functions as a platform-level competitive differentiator. Per company representations, OIP reportedly enabled approximately 85% of worldwide semiconductor start-up product prototypes as of 2026. By 2024, TSMC’s library and silicon IP portfolio exceeded 83,000 items — a 13% increase over 2023 and a substantial expansion from the 55,000 items reported in 2022. The company provided customers with more than 52,000 technology files and 3,699 process design kits (PDKs) in 2024. The 3DFabric Alliance, announced in October 2022 with 19 inaugural partners, underpins the advanced packaging ecosystem around CoWoS, InFO, and TSMC-SoIC technologies. However, CoWoS capacity constraints amid accelerating AI demand have resulted in overflow orders reaching OSAT firms such as ASE Technology Holding, indicating a supply-demand gap that constitutes a near-term operational limitation.

TSMC’s intellectual property portfolio is substantial and actively growing. As of end-2024, the company had accumulated more than 104,000 patent applications worldwide (including over 9,100 filed in 2024) and held more than 69,000 granted patents globally. In 2024, TSMC ranked first among patent applicants and patentees in Taiwan and second among global U.S. patent applicants and U.S. patentees, with a U.S. patent allowance rate approaching 100%. Between 2013 and 2024, the company registered 475,462 trade secrets, and as of end-2022, the Trade Secret Registration System exceeded 241,740 entries. IP is registered to the main operating entity. R&D expenditure as a percentage of revenue has been consistent at approximately 7.1%–7.2% in both 2022 and 2024, totaling NT$182.37 billion in absolute terms in 2024.

The combined capacity of TSMC’s four 12-inch GIGAFAB facilities (Fabs 12, 14, 15, and 18) exceeded 12.74 million 12-inch wafers in 2024, up from over 11 million in 2022. Total annual manufacturing capacity across all facilities exceeded 17 million 12-inch equivalent wafers in 2025. Advanced process nodes (7nm and below) accounted for 74% of wafer revenue in Q1 2026, up from 77% in Q4 2025, 69% in full-year 2024, and 58% in 2023. The 2nm technology entered mass production in Q4 2025 and its 2026 capacity is reportedly fully booked. A CoPoS (Chip-on-Panel-on-Substrate) packaging pilot line was targeted for completion in June 2026, with volume ramp eyed for 2028–2029. TSMC CEO C.C. Wei stated in late 2025 that the company’s advanced-node capacity was approximately three times short of what major customers planned to consume, underscoring both structural demand strength and near-term supply constraints.

On human capital, TSMC’s global annual employee turnover rate was 3.5% in 2024 per company ESG disclosures — a low rate relative to the broader technology industry. Average annual employee compensation and benefits reached NT$3.57 million in 2024, a 44.5% increase compared to 2020, per third-party reporting. The company announced plans in March 2026 to hire approximately 8,000 employees globally throughout 2026 to support capacity expansion. Taiwan’s semiconductor sector broadly faced approximately 34,000 unfilled jobs as of mid-2025 per third-party reporting, highlighting a structural talent scarcity risk. Supply chain localization initiatives have also improved operational efficiency: assistance to a Japanese supplier in establishing local electroplating additive production shortened the production cycle by 66% (from 60 to 20 days) and increased transportation efficiency by 90% as of early 2026.

7) Legal Claims and Actions

TSMC’s legal profile over the past decade reflects three recurring themes: intellectual property protection and trade secret enforcement, patent infringement litigation (both offensive and defensive), and emerging employment-related civil rights claims in the United States. The company is publicly listed on both the TWSE and NYSE and files on Form 20-F with the U.S. SEC; no regulatory enforcement actions, sanctions violations, or criminal proceedings involving TSMC or its key executives have been identified in available public records.

The most active current legal matter is the U.S. Department of Commerce investigation into TSMC’s manufacturing work for China-based Sophgo, whose chips were discovered in Huawei’s Ascend 910B AI processor. As of April 2026, Reuters reported in April 2025 that TSMC could face a penalty of $1 billion or more, though no official settlement or fine had been announced as of the report date. TSMC suspended shipments to Sophgo, self-reported to U.S. and Taiwan authorities, and voluntarily halted shipments of 7nm and more advanced AI chips to Chinese customers in November 2024. The Nanjing VEU revocation (effective December 31, 2025) and the subsequent grant of an annual export license effective January 1, 2026 resolved that specific authorization gap without penalty.

On trade secret enforcement, TSMC has pursued multiple active matters. In November 2025, TSMC filed suit in Taiwan’s Intellectual Property and Commercial Court against former Senior Vice President Wei-Jen Lo, who retired after 21 years and joined Intel in October 2025. TSMC alleges breach of employment contract, non-compete violations, and a high probability of misuse or transfer of 5nm, 3nm, and 2nm process trade secrets; Taiwan prosecutors raided Lo’s homes in November 2025 and a court approved seizure of his shares and real estate. Intel denied the allegations. The matter remained ongoing as of April 2026. Separately, in December 2025, Taiwan prosecutors charged Tokyo Electron’s Taiwan unit for failing to supervise employees who allegedly stole TSMC’s 2nm process technology secrets — representing the first corporate indictment under Taiwan’s National Security Act involving national core critical technology trade secrets. In January 2026, additional charges were filed seeking NT$25 million in fines on top of an initial request of up to NT$120 million (approximately US$3.8 million), with prison terms of 1 to 8 years and 8 months sought for the individuals involved. These matters remain active.

On the employment litigation front, two U.S. class action matters are currently active. Howington v. Taiwan Semiconductor Manufacturing Co., Ltd. et al. (Case No. 5:24-cv-05684, N.D. Cal., filed August 22, 2024) alleges employment discrimination and hostile work environment under 42 U.S.C. § 1981, naming TSMC, TSMC Arizona Corporation, TSMC Technology, Inc., TSMC Washington, LLC, and TSMC North America as defendants; a motion for a temporary restraining order was denied in April 2025, and discovery disputes continued through early 2026. A second gender discrimination class action, Yeh v. Taiwan Semiconductor Manufacturing Co. Ltd. et al. (No. 3:26-cv-05388, W.D. Wash., filed April 2026), alleges systemic discrimination in hiring, pay, promotion, and termination, as well as a hostile environment at the Arizona facility. Both matters are pending.

Active patent litigation includes Advanced Integrated Circuit Process LLC v. TSMC (Case No. 2:25-CV-00324-JRG, E.D. Tex., filed April 2025), where a March 2026 ruling denied TSMC’s motion to dismiss for willful and induced infringement of the ‘751 and ‘623 patents and contributory infringement of the ‘623 and ‘373 patents, while dismissing (without prejudice) claims related to the ‘572 patent. A parallel matter (Case No. 2:24-cv-00730, E.D. Tex.) naming TSMC and United Microelectronics Corporation remains active with motions for summary judgment pending as of April 2026.

Historical matters provide pattern context. TSMC’s long-running litigation against SMIC — initiated in 2003 for trade secret misappropriation and patent infringement — produced a 2005 settlement in which SMIC agreed to pay US$175 million over six years. TSMC re-filed in 2006 alleging breach of that settlement, resulting in a 2009 resolution under which SMIC agreed to pay an additional US$200 million plus equity (1,789,493,218 shares and warrants for 695,914,030 shares). In 2007, a U.S. District Court awarded UniRAM Technology US$30.5 million against TSMC in a trade secret suit; the parties settled in 2008 for an undisclosed amount. In October 2019, TSMC and GlobalFoundries mutually dismissed all pending patent litigations and executed a ten-year cross-licensing agreement. A Daedalus Prime LLC patent infringement suit filed in June 2023 (E.D. Tex.) was settled and dismissed in November 2023. A contract dispute with Longhorn IP LLC and Hamilcar Barca IP LLC — involving whether a patent acquisition contribution was net of 20% income tax withholding — was dismissed with prejudice by stipulation in December 2024 after the court denied defendants’ motion to dismiss in June 2024. A 2023 individual employment discrimination complaint (Yih v. TSMC, N.D. Cal.) was terminated September 2023. A 2014 patent infringement suit by DSS Technology Management (E.D. Tex.) was terminated May 2015.

Cumulative penalty and settlement context: over the 10-year period through April 2026, quantified historical settlements attributable to TSMC include the SMIC 2009 settlement ($200 million plus equity received by TSMC as plaintiff) and the UniRAM 2008 settlement (amount undisclosed, based on a jury award of $30.5 million). No material penalties have been levied against TSMC as a respondent within the five-year period through April 2026, though the pending Commerce Department investigation with a reported potential exposure of $1 billion or more represents the most significant near-term enforcement risk. The pattern of trade secret litigation — spanning SMIC (2003–2009), UniRAM (2007–2008), the 2025 Wei-Jen Lo matter, and the 2025–2026 Tokyo Electron Taiwan indictment — indicates that protection of process technology trade secrets is a structural and recurring legal risk for the company, consistent with its position at the leading edge of semiconductor manufacturing. The employment class action filings in 2024 and 2026, particularly those involving the Arizona facility, may attract heightened scrutiny given the scale of the U.S. expansion program and the associated workforce integration. No bankruptcy filings, criminal convictions of current executives, professional licensing disciplinary actions, or sanctions compliance violations resulting in penalty have been identified in available records.

8) Recent Media Coverage

Financial performance coverage has been consistently positive and extensive, driven by record-breaking quarterly results. Reuters and wire services framed Q4 2025 and Q1 2026 earnings in uniformly bullish terms, characterizing profit growth as evidence that AI-driven semiconductor demand is structurally durable rather than cyclical. Business media and financial press broadly highlighted analyst expectations being exceeded, with coverage emphasizing the magnitude of year-over-year profit gains as a validation of TSMC’s capital investment thesis. The Q1 2026 earnings call also generated moderate neutral coverage around supply chain concerns — specifically, media picked up TSMC’s disclosure of chipmaking material disruptions linked to Middle East conflict, framing this as a candid risk acknowledgment rather than a crisis signal.

Strategic investment announcements — particularly the expanded U.S. commitment announced at the White House in March 2025 — attracted extensive, broadly positive coverage across mainstream financial press, technology media, and geopolitical outlets. Coverage narratives framed the US$165 billion Arizona investment as both a commercial and diplomatic signal, with reporters emphasizing TSMC’s navigation of the tariff and trade policy environment under the new U.S. administration. The New York Times and Reuters both characterized CEO C.C. Wei’s January 2025 meeting with Commerce Secretary Howard Lutnick — including reported discussions of a potential Intel manufacturing stake — as evidence of TSMC’s proactive engagement with U.S. industrial policy, generating neutral-to-positive framing across financial and technology media.

Coverage of the U.S. export control investigation involving the Sophgo-Huawei chip supply chain was materially negative and sustained. Reuters’ April 2025 reporting on a potential fine of $1 billion or more generated widespread pickup across financial press, technology media, and trade publications, with outlets framing the development as the most significant regulatory risk overhang in TSMC’s recent history. Bloomberg’s September 2025 coverage of the VEU revocation for the Nanjing facility added to this narrative thread, though follow-up reporting that TSMC secured a one-year export license effective January 1, 2026 introduced a neutral-to-positive counterpoint in the same outlets. The combined coverage arc characterized the Nanjing situation as manageable but symptomatic of escalating U.S.-China technology decoupling pressures.

Trade secret enforcement matters generated sustained negative coverage across legal and technology media. Reuters’ reporting on the November 2025 lawsuit against former Senior Vice President Wei-Jen Lo — whose subsequent role at Intel added competitive framing — was amplified by technology outlets that characterized the matter as a high-stakes IP protection dispute with geopolitical undertones. The December 2025 and January 2026 Tokyo Electron Taiwan indictments attracted additional legal and industry trade press coverage, with outlets highlighting the novelty of the first corporate indictment under Taiwan’s National Security Act involving national core critical technology, reinforcing the narrative that TSMC is treating process technology protection as a national security matter.

The Arizona workplace litigation attracted sustained and widening negative coverage beginning with initial filing coverage in business and technology outlets in late 2024, intensifying materially through mid-2025 as technology media reported expansion to over 30 plaintiffs with additional allegations of physical harassment and unsafe working conditions. Coverage in this category was characterized by pointed narratives around the cultural integration challenges of TSMC’s U.S. workforce expansion, with multiple outlets connecting the allegations to the broader scale of the Arizona investment program. The November 2024 ADOSH fine following a fatal workplace incident at the construction site, though modest in dollar terms, was picked up by technology media alongside the discrimination lawsuit coverage, compounding the negative framing around Arizona operations in that cycle. The 2023 ransomware event involving supplier Kinmax was covered briefly and negatively by mainstream technology media, with TSMC’s containment response and denial of customer data impact moderating the tone, and no sustained follow-up coverage has been identified.

Positive recognition coverage included industry technology media reporting on the commencement of 2nm mass production in Q4 2025, which was broadly framed as confirmation of continued technology leadership over Samsung and Intel. Nvidia CEO Jensen Huang’s public praise of TSMC during a Hsinchu visit, widely circulated in technology and financial press, reinforced the positive narrative around key customer relationships and generated unusually high-profile endorsement coverage for a B2B manufacturing company.

9) Strengths

Technology Leadership at the Semiconductor Frontier

TSMC’s sustained position at the leading edge of process technology represents its most defensible competitive advantage. The company achieved 2nm mass production in Q4 2025 using Gate-All-Around nanosheet transistors — a node that competitors have not replicated at volume — with 2026 capacity reportedly fully booked. Independently documented yield superiority at 5nm-class nodes quantifies a manufacturing quality gap that cannot be bridged by process node parity alone: higher yields translate directly into superior customer economics and a cost barrier that sustains switching costs beyond price competition.

Dominant and Concentrated Market Share

With approximately 72% of the pure-play foundry market and approximately 90% of the world’s most advanced chip production, TSMC’s market position creates a self-reinforcing cycle. Advanced-node customers have few credible alternatives, which concentrates R&D spending and yield learning at TSMC, which in turn widens the manufacturing quality gap over time. “Foundry 2.0” share expansion from 28% to 34% between 2023 and 2024 demonstrates directional momentum rather than mere incumbency.

Intellectual Property Portfolio Depth

With over 69,000 granted patents globally and 475,462 trade secrets registered between 2013 and 2024, TSMC has constructed an IP estate that creates legal barriers against competitive imitation and meaningful licensing leverage. The company’s near-100% U.S. patent allowance rate and top-two global ranking among U.S. patent applicants indicate both the volume and quality of its IP development activity. The historical enforcement record — including obtaining US$200 million plus equity from SMIC — demonstrates that this portfolio generates tangible economic returns when actively enforced.

Open Innovation Platform as an Ecosystem Lock-In

The Open Innovation Platform, with a silicon IP library exceeding 83,000 items and over 52,000 technology files and 3,699 process design kits delivered to customers in 2024, creates deep integration into customers’ chip design workflows. Enabling approximately 85% of worldwide semiconductor start-up product prototypes as of 2026 means OIP has become an industry standard rather than a vendor preference. This design ecosystem functions as a switching cost: fabless companies and IDMs that have aligned their design flows to TSMC’s PDKs face material migration friction, reinforcing customer retention independent of pricing competition.

Investment-Grade Credit Profile and Cash Flow Generation

TSMC carries issuer credit ratings of AA- (S&P) and Aa3 (Moody’s), among the highest in the capital-intensive semiconductor industry. The sustained expansion of free cash flow to approximately 26% of FY2025 revenue, combined with a cash and marketable securities position of approximately TWD 3.4 trillion at end of Q1 2026, provides the balance sheet capacity to self-fund capital programs at the disclosed scale — including guidance for capital expenditure at the high end of $52–$56 billion for 2026 — without compromising financial flexibility. This self-funding capacity is itself a competitive advantage: capacity constrained competitors face higher financing costs and external capital dependency.

Government and Institutional Alignment Across Key Jurisdictions

TSMC has secured up to US$6.6 billion in direct CHIPS Act funding and up to US$5 billion in proposed loans from the U.S. Department of Commerce, formalizing a bilateral industrial policy relationship that competitors have not matched at comparable scale. The JASM structure with Sony Semiconductor Solutions and DENSO as co-investors, and the ESMC joint venture with Bosch, Infineon, and NXP in Germany, replicate this pattern across Japan and Europe. These government-embedded partnerships reduce sovereign risk, distribute capex exposure, and signal host-government confidence in TSMC’s operational reliability — advantages that cannot be replicated quickly by pure-commercial competitors.

Organizational Tenure and Technical Depth at the Leadership Level

The executive team reflects unusual continuity at technically specialized roles: Y.P. Chyn has been with TSMC since its 1987 founding, Y.J. Mii joined in 1994, and several other executives carry tenures exceeding 25 years. This tenure is concentrated in process-intensive positions — Co-COO Y.J. Mii developed successive process nodes from 90nm through 5nm; Co-COO Cliff Hou holds 44 U.S. patents. Long-tenured, technically credentialed leadership reduces the knowledge transfer risk inherent in leading-edge process development, where tacit manufacturing know-how cannot be fully codified or replicated through external hires.

Low Employee Turnover in a Structurally Scarce Talent Market

TSMC’s global annual employee turnover rate of 3.5% in 2024 is materially below broader technology industry norms, occurring against a backdrop of approximately 34,000 unfilled semiconductor jobs in Taiwan as of mid-2025. In a talent environment where specialized process engineers represent a binding constraint on industry capacity expansion, TSMC’s low attrition preserves accumulated process knowledge and reduces the recruitment and training costs that competitors face. Competitive compensation — with average annual compensation rising 44.5% between 2020 and 2024 — indicates retention has been actively resourced rather than achieved passively.

Publicly Traded Status Enabling Capital Market Access and Institutional Credibility

Operating as a publicly listed company on two major exchanges subjects TSMC to stringent disclosure, audit, and governance requirements under both R.O.C. law and U.S. SEC Form 20-F standards. This dual-listed transparency supports institutional investor participation from sovereign funds, global asset managers, and index-linked capital. The resulting institutional credibility expands the company’s access to unsecured bond markets at competitive rates, as demonstrated by successive NT-dollar and USD bond issuances at investment-grade spreads, and supports capital programs at a scale that private competitors could not finance equivalently.

10) Potential Risks and Areas for Further Due Diligence

U.S. Export Control Enforcement Exposure (Sophgo-Huawei Investigation)

The pending U.S. Department of Commerce investigation into TSMC’s supply of chips ultimately incorporated into Huawei’s Ascend 910B AI processor represents the most material near-term enforcement risk in the company’s current profile. Reuters reported in April 2025 that TSMC could face a penalty of $1 billion or more, with no official settlement announced as of the report date. TSMC self-reported and voluntarily halted advanced-node shipments to Chinese customers, and the Nanjing VEU authorization gap was resolved without penalty — but the core Sophgo investigation remains ongoing and unresolved. Due diligence should include requesting management’s internal incident review findings, monitoring U.S. Department of Commerce enforcement communications, and assessing whether TSMC’s export compliance controls — including customer end-use verification procedures — have been independently audited following the incident.

Workplace Discrimination Litigation and Arizona Cultural Integration Risk

Two active U.S. class action matters document systemic discrimination allegations across multiple TSMC entities. The Howington matter (N.D. Cal., filed August 2024) named five TSMC entities and remained in active discovery as of early 2026. The Yeh matter (W.D. Wash., filed April 2026) alleges systemic discrimination in hiring, pay, promotion, and termination at the Arizona facility. Media coverage expanded to over 30 plaintiffs with additional allegations of physical harassment and unsafe working conditions, and a November 2024 ADOSH fine following a fatal workplace construction incident compounded the negative framing. Given the scale of the US$165 billion Arizona investment and planned workforce expansion, these matters carry both financial exposure and reputational risk in the U.S. market. Due diligence should include requesting TSMC Arizona’s equal employment compliance audit history, third-party cultural integration assessment reports, and OSHA/ADOSH inspection records for all U.S. construction sites.

Trade Secret Leakage Risk From Senior Employee Departures

The enforcement pattern documented in Section 7 — spanning the 2025 Wei-Jen Lo lawsuit, the 2025–2026 Tokyo Electron Taiwan indictments, and the August 2025 2nm process data breach — establishes a recurring pattern of alleged technology exfiltration at senior levels. TSMC treats process technology as National Core Critical Technology under Taiwan’s National Security Act. Each incident involves access to the most advanced nodes (2nm, 3nm, 5nm), and the involvement of a former SVP-level employee and a major equipment supplier indicates that the exfiltration risk extends beyond junior personnel. This is a structural risk given the tacit knowledge intensity of leading-edge process development. Due diligence should assess TSMC’s post-employment monitoring protocols, the effectiveness of technical compartmentalization at advanced fabs, and whether exit clearance procedures have been independently reviewed following the 2025 incidents.

Customer Revenue Concentration Risk

The ten largest customers accounted for approximately 76% of net revenue in 2024, with concentration increasing over three consecutive years from 68% in 2022. A material reduction in orders from either of the top two customers — whether from internal design changes, geopolitical developments, or alternative sourcing — would create outsized revenue impact. Due diligence should stress-test TSMC’s revenue profile for scenarios involving 10%–20% volume reductions from the top two customers and assess whether any announced customer diversification initiatives reduce this trajectory.

China Operations and Geopolitical Decoupling Risk

TSMC’s Nanjing facility operates under an annual import license effective January 1, 2026, following revocation of its Validated End-User status. The escalating U.S.-China technology decoupling environment creates compounding regulatory risk for continued China operations, and the Nanjing operation remains subject to annual license renewal uncertainty. Fab 5 and Fab 2 wind-downs signal a broader strategic reorientation, but do not eliminate China exposure. Due diligence should evaluate contingency planning for Nanjing under a scenario of non-renewal of the annual import license and assess financial impact if China revenue is constrained to mature-node, non-controlled applications.

Dual Role Concentration in the Chairman and CEO Position

Following Mark Liu’s retirement in June 2024, C.C. Wei assumed both the Chairman and CEO roles simultaneously, with no designated CEO successor publicly identified. The combination of the two most senior governance roles in a single individual concentrates strategic decision-making authority and creates a key-person dependency at the apex of the organization — particularly material given TSMC’s concurrent management of US$165 billion in committed U.S. capital expenditure alongside Japan, Germany, and Taiwan capacity programs. Due diligence should assess the Board’s formal succession plan for both roles, the timeline for any role separation, and whether independent directors have formalized governance procedures to manage the combined role structure.

Overseas Fab Ramp-Up Cost and Margin Dilution Risk

Management has guided to 3%–4% gross margin dilution from overseas fab ramp-up costs in later stages, in addition to 2%–3% dilution from the 2nm technology ramp. TSMC Arizona, JASM, and the planned ESMC facility each carry higher structural operating costs than Taiwan-based fabs. The CHIPS Act agreement additionally constrains capital returns for five years and requires profit-sharing with the U.S. government. If overseas fab yields and utilization ramp more slowly than planned — a documented risk given the historical challenges of replicating Taiwan’s manufacturing ecosystem abroad — sustained margin compression could materially affect the earnings trajectory. Due diligence should request detailed fab-level cost structure assumptions for Arizona and JASM and benchmark against disclosed guidance assumptions, with particular focus on the timeline to reaching Taiwan-equivalent operating efficiency.

Supply Chain Concentration and Critical Materials Vulnerability

TSMC’s Q1 2026 earnings disclosure acknowledged chipmaking material supply disruptions linked to Middle East conflict. The company relies on sole-sourced raw materials for certain critical inputs, a risk explicitly disclosed in company filings. Supply chain localization initiatives indicate management awareness, but these programs are early-stage. A disruption to a sole-sourced critical material — whether from geopolitical conflict, natural disaster, or supplier capacity constraint — could create production interruptions at advanced fabs where material substitution timelines are measured in months or years. Due diligence should request the list of sole-sourced materials and critical suppliers, assess geographic concentration of those supply relationships, and review TSMC’s inventory buffer policies for identified critical inputs.

Sources

1] [Taiwan Semiconductor Manufacturing Company Limited: Homepage
2] [TSMC Executives – Official Website
3] [Reuters – TSMC Files Lawsuit Against Former Executive (Wei-Jen Lo)
4] [Reuters – Taiwan Prosecutors File Additional Charges in TSMC Trade Secrets Case (Tokyo Electron)
5] [Reuters – Intel Denies TSMC Allegations That Executive Leaked Trade Secrets
6] [Bloomberg Law – TSMC Could Face $1B or More Fine from US Investigation
7] [Reuters – Taiwan Charges Tokyo Electron Unit in TSMC Trade Secrets Case
8] [Bloomberg – US Pulls TSMC’s Waiver for China Shipments
9] [Reuters – TSMC Could Face $1 Billion or More Fine in U.S. Probe
10] [TSMC NYSE Listing Press Release
11] [SEC Form F-3 Filing — TSMC (2007)
12] [Reuters — TSMC U.S. Investments Timeline
13] [TSMC Elevates Two Veterans to COO – Bloomberg (via Yahoo Finance)
14] [PACER Monitor – Howington v. Taiwan Semiconductor Manufacturing Co., Ltd. et al.
15] [Law360 – Systemic Bias Norm at Taiwan Semiconductor, Engineer Says (Yeh v. TSMC)
16] [Justia – Advanced Integrated Circuit Process LLC v. TSMC (Case No. 2:25-CV-00324)
17] [PACER Monitor – Advanced Integrated Circuit Process LLC v. UMC and TSMC (Case No. 2:24-cv-00730)
18] [Reuters – Q4 2025 Profit Jumps 35%, Record, Beats Expectations
19] [Austin American-Statesman – TSMC Reports 58% Profit Jump in Q1 2026
20] [TSMC SEC Filing – Q3 2025 Consolidated Report