Power Semiconductors (incl. SiC, GaN) market share 2024
As of 2024, the Power Semiconductors (incl. SiC, GaN) segment is led by Infineon Technologies at 21%, followed by onsemi at 9%. The market is competitive (HHI 672), with the top 3 firms holding 38% combined.
Data as of 2026-06-15 · basis: power semiconductor revenue (2024) · confidence: estimate
Market share by company
| Company | Share | Market cap / revenue |
|---|---|---|
| Infineon Technologies | 21% | $96.9B mkt cap |
| onsemi | 9% | $31.6B mkt cap |
| STMicroelectronics | 8% | $49.1B mkt cap |
| Mitsubishi Electric | 6% | $75.8B mkt cap |
| ROHM | 5% | $11.6B mkt cap |
| Fuji Electric | 5% | $13.3B mkt cap |
| Other (fragmented tail) | 46% | — |
Source: https://en.wikipedia.org/wiki/Power_semiconductor_device. Shares are approximate consensus estimates rounded for legibility. The fragmented "other" tail is excluded from HHI, so the figure is a conservative lower bound.
Concentration
- HHI: 672 — Competitive
- Top firm (CR1): 21%
- Top 3 (CR3): 38%
- Top 5 (CR5): 49%
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