Arm Holdingsvs.Seagate
ARM vs STX · 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 1.7× larger than Seagate by market cap; Seagate trades at the lower P/E (85.8 vs 385.9); year to date, Seagate leads (+230.6% vs +195.8%).
Side by side
| ARM | STX | |
|---|---|---|
| Market cap | $349B | $204B |
| Price | $323.39 | $910.34 |
| Today | −1.4% | +2.3% |
| Return YTD | +195.8% | +230.6% |
| Return 1Y | +117.7% | +530.0% |
| P/E | 385.9 | 85.8 |
| P/S | 70.9 | 18.5 |
| P/B | 42.1 | 186.4 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Arm HoldingsARM
Designs the chip architectures and instruction sets licensed into nearly every mobile and server chip — earning royalties per chip produced.
Full ARM profile →SeagateSTX
The world's largest hard drive manufacturer with new HAMR technology that significantly increases capacity — driven by cloud and AI data growth.
Full STX profile →More comparisons in Chips & accelerators
See where ARM and STX sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →