Amphenol (APH, US) is a USA company in the Copper Interconnect & Cables segment of the AI compute value chain — connector and interconnect leader with growing AI data-center exposure. As of October 04, 2026, its market cap is $214.4 billion ($214.4B), ranking #21 of 244 companies overall and #1 of 16 in the Copper Interconnect & Cables segment (43.2% of the segment, 0.85% of the chain). Over the past year the stock lost 29.6% (52-week range 77.26 – 176.32 USD).
| Company | Amphenol（安费诺） |
|---|---|
| Ticker | APH · US |
| Segment | Copper Interconnect & Cables |
| Headquarters | USA |
| Market cap | $214.4B（$214.4 billion） |
| Close | 86.96 USD (October 04, 2026) |
| Today | +1.51% |
| 30 days | -43.20% |
| 1 year | -29.63% |
| 52-wk high / low | 176.32 / 77.26 USD |
| Share of segment | 43.2% (Copper Interconnect & Cables: 16 companies) |
| Share of chain | 0.85% (244 companies combined) |
| Segment leader | Amphenol ($214.4B) |
| Revenue (TTM) | $29.0 billion |
|---|---|
| Net income (TTM) | $5.1 billion |
| Employees | 170,000 |
| P/E ratio (TTM) | 43.5 |
| P/B ratio | 13.84 |
| Gross margin | 39.0% |
| Net margin | 17.7% |
| Dividend yield | 0.57% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Amphenol APH | US | $214.4B |
| 2 | TE Connectivity TEL | US | $63.8B |
| 3 | Fujikura 5803.T | JP | $63.0B |
| 4 | Luxshare Precision 002475 | SZ | $57.0B |
| 5 | Sumitomo Electric Industries 5802.T | JP | $49.3B |
| 6 | Furukawa Electric 5801.T | JP | $19.8B |
| 7 | Jarllytec 3533.TW | TW | $6.6B |
| 8 | Foxconn Interconnect Technology 6088.HK | HK | $4.5B |
| 9 | Dongguan dtc 688668 | SH | $4.3B |
| 10 | Woer Heat-Shrinkable 002130 | SZ | $3.3B |
View the full Copper Interconnect & Cables segment ranking →