Amphenol Corporation (APH) vs Seagate Technology Holdings plc (STX)
A side-by-side comparison of Amphenol Corporation and Seagate Technology Holdings plc across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 29, 2026. Differences are shown without an overall score or investment verdict.
APH
Amphenol Corporation
$150.31TechnologyDelayed quote: Jul 29, 2026, 4:00 PM EDT
STX
Seagate Technology Holdings plc
$764.43TechnologyDelayed quote: Jul 29, 2026, 4:00 PM EDT
Total return — APH vs STX
growth of $100 · dividends reinvested · last 24yAPH +12304.1%STX +14074.5%STX compounded faster
APH STX
APH vs STX: by the numbers
- •APH is the larger company ($184.92B vs $171.41B market cap).
- •APH trades at the lower trailing earnings multiple (41.34 vs 53.84 P/E), one valuation lens rather than an overall verdict.
- •STX converts more revenue to profit (26.11% vs 17.28% net margin).
- •APH grew revenue faster over the past five years (23.24% vs 2.68% CAGR).
- •APH pays the higher dividend yield (0.64% vs 0.39%).
Metrics side by side
Valuation
| Metric | APH | STX |
|---|---|---|
| P/E ratio | 41.34 | 53.84 |
| Forward P/E | 29.66 | 50.13 |
| P/S ratio | 7.16 | 14.22 |
| P/B ratio | 13.27 | 80.01 |
| PEG ratio | 0.52 | 0.51 |
| EV / EBITDA | 25.31 | 39.97 |
| FCF yield | 2.50% | 1.54% |
Profitability
| Metric | APH | STX |
|---|---|---|
| Gross margin | 37.35% | 45.58% |
| Operating margin | 26.00% | 33.57% |
| Net margin | 17.28% | 26.11% |
| ROE | 32.02% | 146.93% |
| ROIC | 15.12% | 0.00% |
Dividends
| Metric | APH | STX |
|---|---|---|
| Dividend yield | 0.64% | 0.39% |
| Payout ratio | 26.07% | 20.22% |
Growth (annualized)
| Metric | APH | STX |
|---|---|---|
| Revenue CAGR (5Y) | 23.24% | 2.68% |
| EPS CAGR (5Y) | 28.30% | 21.76% |
| FCF CAGR (5Y) | 30.28% | 20.22% |
| Total return CAGR (5Y) | 33.58% | 58.55% |
Frequently asked
- Which has the lower trailing P/E, APH or STX?
- APH has the lower trailing P/E: APH trades at 41.34 and STX at 53.84. P/E is one valuation measure and does not by itself establish which business is cheaper.
- Which has grown faster, APH or STX?
- Over the past five years, APH grew revenue faster — APH at a 23.24% CAGR versus STX at 2.68%.
- Does APH or STX pay a bigger dividend?
- APH yields 0.64% and STX yields 0.39% based on trailing dividends and the latest price.
- Is APH or STX more profitable?
- STX runs the higher net margin — APH at 17.28% versus STX at 26.11%.
- How have APH and STX total returns compared?
- Over the past 10 years, APH delivered 26.72% and STX delivered 42.59% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Amphenol P/E ratioSeagate Technology P/E ratioAmphenol dividend yieldSeagate Technology dividend yieldAmphenol ROESeagate Technology ROEAmphenol operating marginSeagate Technology operating marginAmphenol revenue growthSeagate Technology revenue growthAmphenol free cash flowSeagate Technology free cash flow
Amphenol & Seagate Technology appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified July 29, 2026.