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TSMC's Last Three Years: Quietly Dropping 'World's Largest,' Loudly Raising CapEx

The short answer

In 2022, TSMC's top revenue source quietly flipped from smartphones to AI and servers. Since then, the company has dropped its confident "world's largest foundry" self-description — even while betting more aggressively than ever on capital spending.

The story

2022–2023: the year the mix flipped

In October 2023, management cited "continued macroeconomic weakness and a slow China demand recovery" leading customers to be cautious about inventory — and 2023 revenue did fall 4.5% year over year. At that point, the 20-F's opening description still confidently stated: "we have possessed the largest capacity among the world's dedicated foundries." The real shift, though, traces back a year earlier: in 2022, HPC (high-performance computing) revenue share first overtook smartphone revenue (41% vs. 39%) — reversing a company that in 2019 was 49% smartphone versus 30% HPC. That gap only widened: 51%/35% in 2024, 58%/29% in 2025.

What changed: tariffs and a softer self-description

In April 2025, the 20-F added new language for the first time: "President Trump announced on April 2 a 10% baseline tariff on imports... including Taiwan." That same month's earnings call was dominated by tariff-related questions. Right at this juncture, the confident "world's largest foundry" self-description was quietly replaced with the more cautious "built a strong position in manufacturing capacity" — a phrasing that never reverted, even in the FY2025 report. Meanwhile, the adjacent claim of leadership in sub-7nm technology hasn't changed a single word in five years.

The response: cautious words, aggressive spending

Language got more careful, but spending moved in the opposite direction. 2026 capex guidance was raised three times within six months: $52–56B (January 2026) → "toward the high end" (April) → $60–64B (July).

Where it stands now: "I'm nervous too, but..."

When an analyst directly asked in January 2026 whether this was an "AI bubble," Chairman C.C. Wei answered candidly.

"I'm also very nervous about it... [but] the AI is real, not only real, it's starting to grow into our daily life... it looks like it's going to be like an endless... for many years to come."— C.C. Wei, Chairman & CEO, Q4 FY2025 earnings call, Jan 15, 2026

For five straight quarters (Q2 FY2025 through Q2 FY2026), the company has explicitly stated on its earnings calls that results came in "slightly ahead of guidance."

Guidance vs. actual, 9 quarters

Quarter-over-quarter revenue: guided vs. actual
QuarterGuided (QoQ)Actual (QoQ)Result
2023 Q4+11.1%+13.6%Beat
2024 Q1-6.2%-3.8%Beat (smaller decline)
2024 Q2+6.0%+10.3%Beat
2024 Q3+9.5%+12.8% (NT$ basis)Beat
2025 Q1-5.5%-5.1%Beat (smaller decline)
2025 Q2+13%+17.8% ("exceeded guidance")Beat
2025 Q3+8%+10.1% ("slightly ahead")Beat
2025 Q4-1%+1.9% ("slightly ahead")Big beat — guided a decline, delivered growth
2026 Q1+4%+6.4% ("slightly ahead")Beat

9 of 9 confirmed quarters beaten (100%). Starting Q2 FY2025, the company began explicitly stating on each call that it had "slightly exceeded" its own guidance — reading like textbook conservative-guidance practice.

Source: CFO guidance commentary on each earnings call, checked against the following quarter's reported results.

Timeline

  • 2022HPC revenue share overtakes smartphone for the first time (41% vs. 39%) — never reverses.
  • H2 2023Semiconductor down-cycle; prolonged inventory correction. Full-year revenue falls 4.5% — the first decline since 2019.
  • Apr 2025Trump reciprocal-tariff announcement; new risk-factor paragraph added to the 20-F; earnings call dominated by tariff questions.
  • Apr 2025(Same period) "World's largest foundry" self-description softened to "built a strong position."
  • Jan 2026First 2026 capex guidance given ($52–56B); an analyst asks directly about an "AI bubble."
  • Apr–Jul 2026Capex guidance raised twice more ($56B "high end" → $60–64B); "agentic AI" cited as a new source of demand.

Our read

TSMC appears to have set aside a hard-to-verify boast — "we're the biggest" — in favor of a narrower but more provable one: "we're the most advanced, and we'll keep proving it with numbers." The recurring pattern of slightly beating its own guidance every quarter reads like a deliberate strategy: manage expectations while steadily building credibility.

What we still don't know

  • Whether management's "AI is real" conviction holds up past 2027 isn't something these filings settle — whether the same question keeps being asked on future calls will be the signal to watch.
  • Exactly why "world's largest" was dropped at this specific moment — legal caution, or an increasingly ambiguous capacity comparison with Samsung — is our interpretation, not a confirmed fact; the company has never explained it directly.
  • Whether three consecutive capex raises convert into profit, or just heavier depreciation, needs 2026 second-half and 2027 results to judge.
Built from 20-F filings for FY2021 through FY2025 and 12 quarters of earnings call transcripts from Q3 FY2023 (Oct 19, 2023) through Q2 FY2026 (Jul 16, 2026). Tone assessments are qualitative. This is a research summary, not investment advice.

Frequently asked questions

What replaced smartphones as TSMC's top revenue source?

AI and server chips quietly overtook smartphones as TSMC's largest revenue source in 2022, and the gap has only widened since.

Why did TSMC drop the phrase "world's largest foundry"?

TSMC's own filings dropped that confident self-description even as capital spending kept rising — the filings don't explain why explicitly, which the article flags as an open question.

What sources does this analysis draw from?

This piece is built from TSMC's 20-F filings for FY2021 through FY2025 and 12 quarters of earnings call transcripts from October 2023 to July 2026.