Monolithic Powervs.Seagate
MPWR 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.
Seagate is about 3.1× larger than Monolithic Power by market cap; Seagate trades at the lower P/E (85.8 vs 97.6); year to date, Seagate leads (+230.6% vs +49.2%).
Side by side
| MPWR | STX | |
|---|---|---|
| Market cap | $66.5B | $204B |
| Price | $1,352.74 | $910.34 |
| Today | −1.6% | +2.3% |
| Return YTD | +49.2% | +230.6% |
| Return 1Y | +82.7% | +530.0% |
| P/E | 97.6 | 85.8 |
| P/S | 22.5 | 18.5 |
| P/B | 18.1 | 186.4 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Monolithic PowerMPWR
Analog power-management chips that control power delivery in AI servers, data centers, cars and industry — a critical part of modern AI racks.
Full MPWR 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 MPWR and STX sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →