KLA Corporation (KLAC, US) is a USA company in the Semiconductor Equipment segment of the AI compute value chain — process-control and metrology equipment critical to advanced chip yield. As of October 04, 2026, its market cap is $270.0 billion ($270.0B), ranking #16 of 244 companies overall and #4 of 35 in the Semiconductor Equipment segment (9.8% of the segment, 1.07% of the chain). Over the past year the stock lost 81.8% (52-week range 167.36 – 2,411.64 USD).
| Company | KLA Corporation（科磊） |
|---|---|
| Ticker | KLAC · US |
| Segment | Semiconductor Equipment |
| Headquarters | USA |
| Market cap | $270.0B（$270.0 billion） |
| Close | 206.89 USD (October 04, 2026) |
| Today | +3.27% |
| 30 days | +11.31% |
| 1 year | -81.84% |
| 52-wk high / low | 2,411.64 / 167.36 USD |
| Share of segment | 9.8% (Semiconductor Equipment: 35 companies) |
| Share of chain | 1.07% (244 companies combined) |
| Segment leader | ASML Holding ($717.2B) |
| Revenue (TTM) | $13.6 billion |
|---|---|
| Net income (TTM) | $4.8 billion |
| Employees | 17,200 |
| P/E ratio (TTM) | 56.5 |
| P/B ratio | 42.58 |
| Gross margin | 61.3% |
| Net margin | 35.6% |
| Dividend yield | 0.45% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | ASML Holding ASML | US | $717.2B |
| 2 | Lam Research LRCX | US | $434.9B |
| 3 | Applied Materials AMAT | US | $428.6B |
| 4 | KLA Corporation KLAC | US | $270.0B |
| 5 | Tokyo Electron 8035.T | JP | $179.4B |
| 6 | Advantest 6857.T | JP | $179.2B |
| 7 | Teradyne TER | US | $70.2B |
| 8 | NAURA Technology 002371 | SZ | $66.6B |
| 9 | ASM International ASMIY | US | $52.1B |
| 10 | AMEC 688012 | SH | $45.4B |