Eaton (ETN, US) is a Ireland company in the Power Supply segment of the AI compute value chain. As of October 04, 2026, its market cap is $169.4 billion ($169.4B), ranking #27 of 244 companies overall and #1 of 12 in the Power Supply segment (37.5% of the segment, 0.67% of the chain). Over the past year the stock gained 15.8% (52-week range 315.82 – 459.96 USD).
| Company | Eaton（伊顿） |
|---|---|
| Ticker | ETN · US |
| Segment | Power Supply |
| Headquarters | Ireland |
| Market cap | $169.4B（$169.4 billion） |
| Close | 436.11 USD (October 04, 2026) |
| Today | -0.27% |
| 30 days | +5.01% |
| 1 year | +15.75% |
| 52-wk high / low | 459.96 / 315.82 USD |
| Share of segment | 37.5% (Power Supply: 12 companies) |
| Share of chain | 0.67% (244 companies combined) |
| Segment leader | Eaton ($169.4B) |
| Revenue (TTM) | $30.0 billion |
|---|---|
| Net income (TTM) | $3.8 billion |
| Employees | 97,000 |
| P/E ratio (TTM) | 44.4 |
| P/B ratio | 8.36 |
| Gross margin | 36.0% |
| Net margin | 12.8% |
| Dividend yield | 1.01% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Eaton ETN | US | $169.4B |
| 2 | Delta Electronics 2308.TW | TW | $153.7B |
| 3 | Monolithic Power Systems MPWR | US | $70.8B |
| 4 | Lite-On Technology 2301.TW | TW | $20.5B |
| 5 | Vicor Corporation VICR | US | $14.2B |
| 6 | Megmeet Electrical 002851 | SZ | $10.1B |
| 7 | Honor Electronic 300870 | SZ | $4.0B |
| 8 | Kehua Data 002335 | SZ | $3.4B |
| 9 | Zhongheng Electric 002364 | SZ | $2.7B |
| 10 | East Group 300376 | SZ | $1.4B |