Taiwan Semiconductor (TSM): Auditing U.S. Power Grids [Q3 2026]

Taiwan Semiconductor Manufacturing Company Limited delivered $46.72B in Q3 2026 revenue and guided Q4 to $53.3B at the midpoint, yet shares slipped as investors weighed the margin drag of building nearly 20 fabs simultaneously.

In ~10 minutes:

- Why 2nm ramp costs compressed gross margins 130 bps to 66.4%.

- Collecting a ~$5.0B U.S. Treasury tax credit cash inflow. 💵

- Implied ~$21.4B Q4 CapEx spike despite tight tool supply.

- CEO C.C. Wei confirming Texas "Terafab" talks and power grid audits.

- Why surging agentic AI server CPUs are excluded from AI growth metrics.

With High Performance Computing now driving 68% of total revenue, TSMC is breaking its own historical precedent by building four new 3nm fabs years after the node launched and outsourcing silicon interposers to GlobalFoundries. We unpack the hidden accounting mechanics in the cash flow statement and why overseas fab dilution is set to widen to 3%–4% even as demand stays white-hot.

Company: Taiwan Semiconductor Manufacturing Company Limited (TSM) | Q3 FY2026

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