TSMC (TSM; Taiwan Semiconductor Manufacturing Co., the world's largest contract chip manufacturer) reported record June revenue of NT$442.68 billion (about US$14.6 billion), up 67.9% from a year earlier and 6.2% above the previous monthly record set in May, according to the company's monthly disclosure as reported by Chosun Biz and CNBC. Notably, June sales rose sequentially even though TSMC's June revenue had fallen month-over-month in each of the prior four years — a signal of how firmly AI accelerator demand is overriding the usual seasonal pattern.
For a fund manager watching from New York, the single question the numbers raise is whether the AI capital-expenditure cycle is still accelerating — and, if so, whether Korea's two chip champions are positioned to capture it or be left further behind. TSMC's second-quarter (April–June) revenue reached NT$1.27 trillion (roughly US$41.9 billion at TSMC's implied exchange rate), a 36% year-on-year gain that matched the Reuters consensus of NT$1.264 trillion, per Chosun Biz and Bloomberg. First-half cumulative revenue was NT$2.40 trillion (about US$79.2 billion), up 35.6% year on year. The definitive read comes on July 16, when TSMC releases full Q2 results and hosts its earnings call (Thursday, 2:00 p.m. Taipei / 2:00 a.m. ET), where management is expected to update its full-year outlook and capital-spending plans — the figures that set the tempo for the entire supply chain.
Sizing the gap
TSMC's dominance is not marginal. The company held 72.3% of the global foundry market in the first quarter of 2026 against Samsung Foundry's 6.5%, according to TrendForce data cited by industry outlets — a roughly 11-fold revenue gap. Samsung Electronics (005930.KS, Korea's largest chipmaker and the world's No. 2 foundry), whose foundry share was around 13% as recently as the first quarter of 2024 on TrendForce's tally, has therefore watched its share roughly halve in two years even as the overall foundry market set records. TSMC's June revenue alone (about US$14.6 billion) exceeds an entire quarter of Samsung Foundry's reported sales, which industry tracker SammyGuru put near US$3.2 billion in Q1 2026.
Korea's two-track exposure
The Korean read is not uniformly negative, because the country's chip strength sits on the memory side rather than logic foundry. SK Hynix (000660.KS, the world's leading maker of high-bandwidth memory) holds the largest share of the HBM market — above 50% through 2026 on Goldman Sachs estimates — and HBM is the component that rides alongside every AI GPU that TSMC packages. TSMC does not make memory, but its CoWoS (Chip-on-Wafer-on-Substrate) advanced-packaging platform is the integration point where GPUs and HBM stacks are assembled, tying TSMC's output volume directly to Korean HBM demand. In that sense, a stronger TSMC packaging pipeline is a tailwind for SK Hynix even as it is a competitive threat to Samsung's foundry ambitions.
That split is why Korean coverage, including Maeil Business Newspaper, framed the surge as putting "K-semiconductors" back on trial: the same AI wave that lifts SK Hynix's memory franchise is funding aggressive capacity expansion by TSMC and others, raising the bar Samsung's foundry must clear to stay relevant.
What to watch next
The confirming data points arrive in quick succession. TSMC's July 16 capital-expenditure guidance will indicate how much packaging and leading-edge capacity is being added, which in turn shapes HBM order visibility. Samsung Electronics and SK Hynix both report second-quarter earnings later in July, and their memory pricing commentary and foundry-order color will show whether the AI boom is narrowing or widening Korea's position relative to Taiwan. Until those prints land, TSMC's June figure stands as evidence that AI-driven demand had not cooled entering the second half of 2026.
Sources: 조선비즈 — TSMC 6월 매출 · 매일경제 — K반도체 시험대
This article is journalism, not investment advice. LineVest is not a registered investment adviser. Figures are drawn from TSMC's monthly revenue disclosure and cited third-party reporting; readers should verify against primary filings before making any decision.
