Taiwan Semiconductor Manufacturing Company Limited: The strongest signal in TSMC's September quarter was not just revenue growth but the ability to deliver very high margins as more customers moved toward advanced semiconductor manufacturing. US-dollar revenue reached $46.72 billion and gross margin was 66.4%. That combination speaks to demand, capacity utilization and manufacturing complexity.1
The figures behind the headline
TSMC's English-language results lodged with the SEC report NT$1,494.24 billion of quarterly revenue and a 66.4% gross margin. Translated into US dollars, revenue was $46.72 billion, up 41.2% year over year; in New Taiwan dollars, the growth rate was 50.9%. Both figures are correct within their specified currency bases, but mixing them in a single chart would create a misleading impression of sales growth.1
The 2-nanometer process contributed 8% of wafer revenue in its ramp-up quarter, 3-nanometer 33%, 5-nanometer 28%, and 7-nanometer 10%. Together those advanced technologies represented 79% of wafer revenue. This is not a percentage of company-wide consolidated revenue, since wafer revenue and total revenue are different denominators.1
The reported financial picture
The primary source is the October 15, 2026 earnings announcement for Calendar Q3 2026; TIFRS. The amounts below use the company's published definitions, with non-GAAP measures explicitly labelled.1
| Metric | Reported figure |
|---|---|
| Revenue (USD) | $46.72B |
| Revenue growth (USD) | +41.2% |
| Gross margin | 66.4% |
| Operating margin | 58.7% |
| 2nm share of wafer revenue | 8% |
Advanced nodes carry the mix story
The company reported that 2-nanometer technology accounted for 8% of wafer revenue, 3-nanometer for 33% and 5-nanometer for 28%. Their combined weight helps explain why it is misleading to measure the business only in wafer volumes. A more advanced process can have very different pricing and cost economics from mature nodes.1
TSMC also reported growth of 50.9% in New Taiwan dollars and 41.2% in US dollars. Currency and reporting basis matter. Comparing an American chip designer's sales with TSMC's manufacturing revenue without considering this difference can distort apparent growth.1
Why capacity can become a valuation risk
High utilization supports margins, but building next-generation manufacturing capacity is capital-intensive. Equipment, plants and research spending are committed well before the finished chips generate sales. That places TSMC on a different cash-flow timeline from some fabless customers.
The important questions now are whether the new-node mix stays favorable, whether manufacturing yields improve, and how much additional capacity the industry can deploy before demand normalizes. Exceptional margins should be tested against a less constrained demand environment rather than treated as a permanent baseline.
Financial performance and demand indicators have different recognition and cash-flow timing. For a responsible comparison, distinguish reported revenue from orders or guidance, and use the same reporting basis and period.
What the accounting disclosures add
Operating margin reached 58.7%, an exceptionally high result for a capital-intensive foundry. The margin reflects manufacturing yield, pricing, capacity utilization and technology mix. It does not prove that all AI chip buyers are earning the same margins, because TSMC's sale is manufacturing service while its customers sell very different chips and platforms.1
The same release guided Q4 2026 US-dollar revenue to $52.3–$54.3 billion and gross margin to 65%–67%. Those are forecasts, not orders already recognized. An investor evaluating the next quarter should test the progression of 2nm adoption, yield learning and capacity cost rather than simply extrapolate the Q3 revenue growth percentage.1
The limits of the comparison
Clarifo's US-company SEC XBRL interface identified TSM's ADR issuer but did not return a complete 2026 quarterly income and cash-flow series for this request. The analysis therefore uses TSMC's original TIFRS disclosure filed with the SEC. It should not be labelled a Clarifo-verified US GAAP quarterly comparison.1
Accounting basis: TIFRS. Currency basis: NT dollars for statutory figures and US dollars for the company-provided translation. Process-node percentages are shares of wafer revenue, not consolidated sales.
The 7.7-percentage-point gap is the difference between gross and operating profitability; neither measure isolates AI-related profitability.
What comes next
Monitor node-level revenue mix, fabrication capacity, gross margin and capex rather than concluding that every dollar of AI-related end demand translates into the same incremental profit.
For the wider investor debate, see community discussion on Reddit. Those opinions helped select the research question; they do not verify the company's financial statements. The primary source remains the original results announcement.
A deeper comparison should examine the cash-flow statement and operating commitments as well as the income statement. Taiwan Semiconductor Manufacturing Company Limited on Clarifo provides a starting point for finding historical financial data and filing sources. In related industries, investors should also separate the profitability of equipment suppliers from the return earned by the companies purchasing their products.
TSMC reports under TIFRS, and the US-dollar sales figure reflects the company's currency translation. It should not be represented as a US GAAP financial statement.
- TSMC — original financial results. Quarterly results and disclosures.
Based on sources available October 29, 2026. Not investment advice.