Amphenol (APH) vs Seagate Technology (STX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Seagate Technology (STX) has outperformed Amphenol (APH) over the past year, gaining 245.4% versus a gain of 35.7%. Over five years, STX leads with a +845.0% price change compared with +342.8% for APH. Amphenol is the larger company by market cap ($210.40 billion vs $176.19 billion), about 1.2 times the size.
On valuation, Seagate Technology trades at a lower forward P/E (14.0x vs 25.6x for Amphenol). Amphenol offers the higher dividend yield (0.54% vs 0.38%). Seagate Technology converts more of its revenue into profit, with a net margin of 26.1% versus 18.5%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | APH | STX |
|---|---|---|
| Share price | $85.32 | $774.83 |
| Market cap | $210.40B | $176.19B |
| 1-day change | -2.55% | -4.05% |
| YTD return | +26.27% | +181.36% |
| 1-year return | +35.65% | +245.36% |
| 5-year return | +342.82% | +845.02% |
| P/E ratio (TTM) | 42.66 | 55.74 |
| Forward P/E | 25.62 | 13.99 |
| EPS (TTM) | $2.00 | $13.90 |
| Dividend yield | 0.54% | 0.38% |
| Annual dividend | $0.458 | $2.94 |
| Revenue (latest FY) | $23.09B | $12.20B |
| Revenue growth (YoY) | +51.71% | +34.06% |
| Net income (latest FY) | $4.27B | $3.18B |
| Gross margin | 36.88% | 45.58% |
| Operating margin | 25.41% | 33.57% |
| Net margin | 18.49% | 26.11% |
| 52-week high | $89.93 | $1,145.00 |
| 52-week low | $59.01 | $209.00 |
| Distance from 52-week high | -5.13% | -32.33% |
| Analyst consensus | strong_buy | strong_buy |
| Avg. price target upside | +19.15% | +47.41% |
| Average volume | 12.37M | 4.63M |
| Shares outstanding | 2.47B | 227.39M |
| Employees | 170,000 | 30,000 |
| Sector | Technology | Technology |
| Industry | Electronic Components | Electronic Components |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- STX has outperformed APH by 209.7 percentage points over the past year.
- Seagate Technology trades at a higher earnings multiple (55.7x vs 42.7x trailing P/E).
- Seagate Technology is more profitable, keeping 26.1 cents of every revenue dollar as net income versus 18.5 cents for Amphenol.
- Amphenol grew revenue faster in its latest fiscal year (+51.71% vs +34.06%).
About Amphenol
APH stock →Amphenol Corporation, together with its subsidiaries, designs, manufactures, and markets electrical, electronic, and fiber optic connectors in the United States, China, and internationally. It operates through three segments: Communications Solutions, Harsh Environment Solutions, and Interconnect and Sensor Systems.
Technology · Electronic Components · 170,000 employees
About Seagate Technology
STX stock →Seagate Technology Holdings plc engages in providing data storage solutions in Singapore, the United States, the Netherlands, and internationally. The company offers External and internal hard drives; external and internal solid-state drives (SSDs); enterprise hard drives and SSDs; data storage systems; network attached storage (NAS) hard drives; video and analytics hard drives; and hyperscale and cloud solution.
Technology · Electronic Components · 30,000 employees
APH vs STX FAQ
Which is bigger, Amphenol or Seagate Technology?
Amphenol (APH) is larger, with a market capitalization of $210.40B compared with $176.19B for Seagate Technology (STX).
Which stock has performed better over the past year, APH or STX?
STX returned +245.36% over the past 12 months, compared with +35.65% for APH (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, APH or STX?
APH has the lower trailing P/E at 42.7, versus 55.7 for STX. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Amphenol or Seagate Technology?
Amphenol has the higher yield at 0.54%, compared with 0.38% for Seagate Technology.
Are Amphenol and Seagate Technology in the same industry?
Yes. Both are classified in the Electronic Components industry within the Technology sector.