APH vs MPWR
APH: Amphenol is a leading global designer and manufacturer of high-performance interconnect systems, sensors, and antennas that power the world's most critical electronic applications. MPWR: Monolithic Power Systems provides highly integrated, energy-efficient power management ICs that power everything from AI data centers to automotive electronics.
Side-by-side fundamentals
| Metric | APH | MPWR | Edge |
|---|---|---|---|
| Price as of 2026-07-27 close | $149.28 | $1,339.08 | |
| Market cap as of 2026-08-01 | $183.6B | $65.8B | |
| P/E as of 2026-08-01 | 39.04 | 107.06 | APH lower |
| PEG as of 2026-08-01 | 1.51 | 2.52 | APH lower |
| Net margin as of 2026-08-01 | +17.7% | +23.0% | MPWR higher |
| Gross margin as of 2026-08-01 | +39.0% | +55.2% | MPWR higher |
| Operating margin as of 2026-08-01 | +27.0% | +27.1% | MPWR higher |
| ROE as of 2026-08-01 | +37.1% | +19.2% | APH higher |
| ROA as of 2026-08-01 | +13.7% | +16.2% | MPWR higher |
| Debt / equity as of 2026-08-01 | 1.21 | 0.00 | MPWR lower |
| Revenue growth (YoY) as of 2026-08-01 | +54.2% | +23.9% | APH higher |
| Revenue CAGR (3y) SEC XBRL | +22.3% | +15.9% | APH higher |
| Dividend yield as of 2026-08-01 | +0.6% | +0.6% | APH higher |
| Dividend streak (yrs) SEC XBRL | 4 | 5 | MPWR higher |
| Beta as of 2026-08-01 | 1.25 | 1.70 | |
| 1-year return as of 2026-07-27 close | +42.1% | +87.4% | MPWR higher |
Fundamentals: market data, as of 2026-08-01. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-27.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.