One company on one island makes the chips everything runs on
TSMC held about 70% of the world's foundry market in 2025, and at the leading edge the share is closer to all of it. The 2-nanometre generation is sold out through 2028, the $165 billion Arizona hedge is real but partial, and the concentration is not an accident. It is the business model.
Aug 15, 2026 · 8 min read