Arm Holdingsvs.ON Semiconductor
ARM vs ON · both in Chips & accelerators, part of the AI & digital infrastructure value chain: Designs and builds the processors, accelerators and memory that train and run AI.
Arm Holdings is about 9.8× larger than ON Semiconductor by market cap; ON Semiconductor trades at the lower P/E (47.5 vs 281.6); year to date, Arm Holdings leads (+169.3% vs +46.6%).
Side by side
| ARM | ON | |
|---|---|---|
| Market cap | $294B | $29.9B |
| Price | $266.28 | $77.53 |
| Today | −3.3% | −2.4% |
| Return YTD | +169.3% | +46.6% |
| Return 1Y | +84.7% | +56.1% |
| Since June 26, 2026 | −20.3% | −14.5% |
| P/E | 281.6 | 47.5 |
| P/S | 57.0 | 4.8 |
| P/B | 34.1 | 4.1 |
Data as of 2026-10-09 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
The two companies
Arm HoldingsARM
Licensing, not manufacturing: the CPU architectures and instruction sets (Cortex, Neoverse) that nearly every mobile and server chip is built around come from Arm, which takes a royalty on each chip produced.
Full ARM profile →ON SemiconductorON
Electric cars and factory automation are the end markets for its silicon carbide power semiconductors and image sensors.
Full ON profile →More ARM & ON comparisons
Other head-to-heads in the Chips & accelerators segment.