Lam Research (LRCX, US) is a USA company in the Semiconductor Equipment segment of the AI compute value chain — etch and deposition equipment supplier for leading-edge fabs. As of October 04, 2026, its market cap is $434.9 billion ($434.9B), ranking #11 of 244 companies overall and #2 of 35 in the Semiconductor Equipment segment (15.7% of the segment, 1.72% of the chain). Over the past year the stock gained 136.4% (52-week range 131.37 – 433.33 USD).
| Company | Lam Research（泛林集团） |
|---|---|
| Ticker | LRCX · US |
| Segment | Semiconductor Equipment |
| Headquarters | USA |
| Market cap | $434.9B（$434.9 billion） |
| Close | 347.49 USD (October 04, 2026) |
| Today | +2.17% |
| 30 days | +11.90% |
| 1 year | +136.40% |
| 52-wk high / low | 433.33 / 131.37 USD |
| Share of segment | 15.7% (Semiconductor Equipment: 35 companies) |
| Share of chain | 1.72% (244 companies combined) |
| Segment leader | ASML Holding ($717.2B) |
| Revenue (TTM) | $23.2 billion |
|---|---|
| Net income (TTM) | $7.3 billion |
| Employees | 23,300 |
| P/E ratio (TTM) | 60.3 |
| P/B ratio | 34.87 |
| Gross margin | 50.5% |
| Net margin | 31.3% |
| Dividend yield | 0.38% |
| 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 |