LRCX
Lam Research CorpSpecial Industry Machinery, NEC
$288.11updated Sep 19, 2026
Congressional trading profile for Lam Research Corp (LRCX), covering 40 disclosed transactions by 17 lawmakers.
Lam Research is one of the largest semiconductor wafer fabrication equipment manufacturers in the world. It specializes in deposition and etch, which entail the buildup of layers on a semiconductor and the subsequent selective removal of patterns from each layer. Lam holds the top market share in etch and holds the clear second share in deposition. It is more exposed to memory chipmakers for DRAM and NAND chips. It counts as top customers the largest chipmakers in the world, including TSMC, Samsung, Intel, and Micron.
Total Trades
40
Politicians Trading
17
Last Traded
Aug 13, 2026
Price history
Congressional Trades
| Politician | Notified | Traded | Type | Amount | Change |
|---|---|---|---|---|---|
| Alan ArmstrongR | Jul 21, 2026 | Mar 27, 2026 | Buy | $1,001 - $15,000 | +36.28% |
| Tony WiedR | Mar 9, 2026 | Feb 9, 2026 | Buy | $250,001 - $500,000 | +25.66% |
| Cleo FieldsD | Feb 24, 2026 | Feb 3, 2026 | Buy | $15,001 - $50,000 | +25.21% |
| Markwayne MullinR | Jan 16, 2026 | Dec 29, 2025 | Buy | $50,001 - $100,000 | +63.82% |
| Jonathan L. JacksonD | Sep 23, 2025 | Aug 13, 2025 | Buy | $1,001 - $15,000 | +169.92% |
| Byron DonaldsR | Sep 5, 2025 | Aug 7, 2025 | Buy | $1,001 - $15,000 | +190.58% |
| Byron DonaldsR | Sep 5, 2025 | Aug 7, 2025 | Buy | $1,001 - $15,000 | +190.58% |
| Markwayne MullinR | Jun 11, 2025 | May 13, 2025 | Buy | $15,001 - $50,000 | +237.96% |
| Jefferson ShreveR | Apr 11, 2025 | Mar 31, 2025 | Buy | $50,001 - $100,000 | +296.30% |
| Marjorie Taylor GreeneR | Apr 7, 2025 | Apr 4, 2025 | Buy | $1,001 - $15,000 | +387.58% |
| Robert BresnahanR | Feb 13, 2025 | Jan 16, 2025 | Buy | $1,001 - $15,000 | +263.68% |