onsemi vs STMicroelectronics
Both are primarily Integrated Device Manufacturer companies. STMicroelectronics is larger by market cap ($47.2B vs $30.9B). STMicroelectronics reports higher tracked revenue ($11.8B vs $6.0B).
Track the chain
What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.
Subscribe to the free weekly briefing →
Free · no login · 615 companies, updated weekly
Side-by-side
| onsemi | STMicroelectronics | |
|---|---|---|
| Market cap | $30.9B | $47.2B |
| Revenue | $6.0B (FY2025) | $11.8B (FY2025) |
| Primary segment | Integrated Device Manufacturer | Integrated Device Manufacturer |
| Market position | major | major |
| Country | United States | Switzerland |
| Tracked suppliers | 3 | 5 |
| Tracked customers | 2 | 16 |
| Chokepoint / criticality | 68/100 | 68/100 |
Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.
How onsemi and STMicroelectronics compare
- Size: STMicroelectronics is the larger company by market cap.
- Revenue: STMicroelectronics reports higher tracked revenue.
- Supply-chain criticality: Both companies have the same chokepoint score (68/100).
- Footprint: onsemi (United States) vs STMicroelectronics (Switzerland).
Company hubs
Open the interactive comparison tool →
Cite as: wafergraph, “onsemi vs STMicroelectronics”, https://wafergraph.com/compare/onsemi-vs-stmicro (data as of 2026-10-09).
Frequently asked questions3
- Is onsemi bigger than STMicroelectronics?
- STMicroelectronics is larger by market cap ($47.2B vs $30.9B).
- What's the difference between onsemi and STMicroelectronics?
- onsemi is a major in Integrated Device Manufacturer based in United States; STMicroelectronics is a major in Integrated Device Manufacturer based in Switzerland. Both operate in the IDM segment.
- Who are onsemi's and STMicroelectronics's suppliers?
- wafergraph tracks 3 suppliers for onsemi and 5 for STMicroelectronics — onsemi's include Wolfspeed, Entegris, Diodes Incorporated; STMicroelectronics's include Soitec, TSMC, ROHM.