APH vs COHR
Amphenol (APH) and Coherent (COHR) compared side by side. Amphenol (APH) is larger, with a market cap of $182.7B versus $41.2B for Coherent, about 4.4 times the size. On trailing earnings, APH is cheaper at 37.0x versus 50.8x for COHR.
Head to head
| Metric | APH | COHR |
|---|---|---|
| Market cap | $182.7B | $41.2B |
| P/E (TTM) | 37.0x | 50.8x |
| Forward P/E | 22.2x | 15.0x |
| Revenue (TTM) | $29.0B | $7.1B |
| Revenue growth | 55.0% | 33.7% |
| Gross margin | 39.0% | 37.5% |
| Operating margin | 29.8% | 11.8% |
| Free cash flow | $4.6B | -$1.0B |
| Dividend yield | 0.67% | None |
| 1-year return | +10.3% | +72.2% |
| 5-year return (annual) | +31.3% | +29.0% |
| Max drawdown | -63% | -81% |
| FI Handbook grade | B- | C- |
Highlighted: the stronger figure on metrics where higher or lower is clearly better.
Growth of $10,000 (5 years, price only)
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APH vs COHR FAQ
Which is bigger, APH or COHR?
Amphenol (APH) is larger, with a market cap of $182.7B versus $41.2B for Coherent, about 4.4 times the size.
Is APH or COHR cheaper?
On trailing earnings, APH is cheaper at 37.0x versus 50.8x for COHR. A lower P/E can reflect slower expected growth, so compare growth and margins too.
Which stock performed better over the past year, APH or COHR?
COHR returned +72.2% over the past year including dividends, versus +10.3% for APH, through October 23, 2026.
Which pays a higher dividend, APH or COHR?
APH yields 0.67%; COHR does not pay a dividend.