Lam Research Corp
LRCX- Exchange
- Nasdaq
- Industry
- Special Industry Machinery, NEC
- SEC CIK
- 0000707549
In the last 90 days, Lam Research Corp insiders filed 0 open-market purchases and 7 sales; 3,143 institutions reported holding it in 13F filings for Q2 2026, worth $463.5B in total; 6 superinvestors hold it, including Coatue Management and Tiger Global Management.
Politicians who traded LRCX
Since 2020, newest trade first. Shares and options by default, including trades reported under an earlier ticker.
- Trades
- 90
- Filings
- 73
- Politicians
- 23
- Buys / sells
- 38 / 52
- Estimated volume
- $1.38M
- Sum of range midpoints
| Politician | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
 Sheldon Whitehouse Senate · RI | 3 | 0 / 3 | $73.0K | Aug 13, 2026 | Sep 2, 2026 |
 David J. Taylor House · OH | 13 | 1 / 12 | $153.0K | Jun 5, 2026 | Jun 12, 2026 |
 Alan Armstrong Senate · OK | 2 | 2 / 0 | $16.0K | Mar 30, 2026 | Jul 21, 2026 |
 Cleo Fields House · LA | 1 | 1 / 0 | $32.5K | Feb 3, 2026 | Feb 24, 2026 |
 John Boozman Senate · AR | 5 | 0 / 5 | $40.0K | Jan 8, 2026 | Feb 15, 2026 |
 Markwayne Mullin Senate · OK | 6 | 5 / 1 | $255.5K | Dec 29, 2025 | Jan 16, 2026 |
 Val T. Hoyle House · OR | 3 | 1 / 2 | $24.0K | Sep 23, 2025 | Oct 10, 2025 |
 Jonathan L. Jackson House · IL | 4 | 2 / 2 | $81.0K | Sep 3, 2025 | Oct 15, 2025 |
 Byron Donalds House · FL | 2 | 2 / 0 | $16.0K | Aug 7, 2025 | Sep 5, 2025 |
 Jefferson Shreve House · IN | 4 | 1 / 3 | $215.0K | May 12, 2025 | Jun 22, 2025 |
 Robert P. Bresnahan, Jr. House · PA | 2 | 1 / 1 | $16.0K | Apr 8, 2025 | May 8, 2025 |
 Julie Johnson House · TX | 1 | 0 / 1 | $8.00K | Apr 7, 2025 | May 14, 2025 |
 Marjorie Taylor Greene House · GA | 4 | 4 / 0 | $32.0K | Apr 4, 2025 | Apr 7, 2025 |
 Gilbert Ray Cisneros, Jr. House · CA | 1 | 0 / 1 | $32.5K | Jan 28, 2025 | Feb 11, 2025 |
 William R. Keating House · MA | 3 | 2 / 1 | $24.0K | Jan 24, 2025 | Feb 25, 2025 |
 Josh Gottheimer House · NJ | 12 | 4 / 8 | $96.0K | Oct 22, 2024 | Nov 6, 2024 |
 John James House · MI | 3 | 1 / 2 | $24.0K | Sep 4, 2024 | Sep 6, 2024 |
 Kathy E. Manning House · NC | 11 | 7 / 4 | $137.0K | Jul 2, 2024 | Aug 16, 2024 |
 Tommy Tuberville Senate · AL | 1 | 0 / 1 | $8.00K | Jan 19, 2024 | Feb 14, 2024 |
 John R. Curtis House · UT | 4 | 1 / 3 | $32.0K | Dec 4, 2023 | Dec 15, 2023 |
 Greg Stanton House · AZ | 2 | 1 / 1 | $16.0K | Oct 24, 2023 | Nov 9, 2023 |
 Dan Sullivan Senate · AK | 2 | 1 / 1 | $16.0K | Aug 22, 2023 | Sep 22, 2023 |
 Deborah K. Ross House · NC | 1 | 1 / 0 | $32.5K | Apr 27, 2021 | Apr 30, 2021 |
Trades
Reported trades in Lam Research Corp, newest filings first.
| Politician | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
William R. Keating House · MA | LRCXLam Research Corporation - Common Stock | Sell | Self | Jan 24, 2025 | Feb 25, 2025 | 32 days | $1K-$15K | Filing |
John Boozman Senate · AR | LRCXLam Research Corp | Sell (partial) | Joint | Feb 5, 2025 | Mar 6, 2025 | 29 days | $1K-$15K | Filing |
Marjorie Taylor Greene House · GA | LRCXLam Research Corporation - Common Stock | Buy | Self | Apr 4, 2025 | Apr 7, 2025 | 3 days | $1K-$15K | Filing |
Jefferson Shreve House · IN | LRCXLam Research Corporation - Common Stock | Buy | Self | Mar 31, 2025 | Apr 11, 2025 | 11 days | $50K-$100K | Filing |
Jefferson Shreve House · IN | LRCXLam Research Corporation - Common Stock | Sell (partial) | Self | Mar 5, 2025 | Apr 11, 2025 | 37 days | $50K-$100K | Filing |
Jefferson Shreve House · IN | LRCXLam Research Corporation - Common Stock | Sell (partial) | Self | Apr 7, 2025 | May 8, 2025 | 31 days | $15K-$50K | Filing |
Robert P. Bresnahan, Jr. House · PA | LRCXLam Research Corporation - Common Stock | Sell | Self | Apr 8, 2025 | May 8, 2025 | 30 days | $1K-$15K | Filing |
Markwayne Mullin Senate · OK | LRCXLam Research Corp | Sell (partial) | Joint | Apr 8, 2025 | May 12, 2025 | 34 days | $50K-$100K | Filing |
John Boozman Senate · AR | LRCXLam Research Corp | Sell (partial) | Joint | Apr 16, 2025 | May 14, 2025 | 28 days | $1K-$15K | Filing |
Julie Johnson House · TX | LRCXLam Research Corporation - Common Stock | Sell | Joint | Apr 7, 2025 | May 14, 2025 | 37 days | $1K-$15K | Filing |
Markwayne Mullin Senate · OK | LRCXLam Research Corp | Buy | Joint | May 13, 2025 | Jun 11, 2025 | 29 days | $15K-$50K | Filing |
Jefferson Shreve House · IN | LRCXLam Research Corporation - Common Stock | Sell | Self | May 12, 2025 | Jun 22, 2025 | 41 days | $15K-$50K | Filing |
Markwayne Mullin Senate · OK | LRCXLam Research Corp | Buy | Joint | Jan 2, 2024 | Aug 12, 2025Amended | 24 days | $15K-$50K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Jul 18, 2025 | Sep 2, 2025 | 46 daysLate | $1K-$15K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Jul 18, 2025 | Sep 2, 2025 | 46 daysLate | $1K-$15K | Filing |
Sheldon Whitehouse Senate · RI | LRCXLam Research Corp | Sell (partial) | Spouse | Aug 28, 2025 | Sep 3, 2025 | 6 days | $15K-$50K | Filing |
Byron Donalds House · FL | LRCXLam Research Corporation - Common Stock | Buy | Spouse | Aug 7, 2025 | Sep 5, 2025 | 29 days | $1K-$15K | Filing |
Byron Donalds House · FL | LRCXLam Research Corporation - Common Stock | Buy | Self | Aug 7, 2025 | Sep 5, 2025 | 29 days | $1K-$15K | Filing |
Val T. Hoyle House · OR | LRCXLam Research Corporation - Common Stock | Sell (partial) | Spouse | Feb 4, 2025 | Sep 12, 2025 | 220 daysLate | $1K-$15K | Filing |
Val T. Hoyle House · OR | LRCXLam Research Corporation - Common Stock | Buy | Spouse | Oct 29, 2024 | Sep 12, 2025 | 318 daysLate | $1K-$15K | Filing |
Jonathan L. Jackson House · IL | LRCXLam Research Corporation - Common Stock | Buy | Spouse | Aug 13, 2025 | Sep 23, 2025 | 41 days | $1K-$15K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Sep 22, 2025 | Oct 7, 2025 | 15 days | $1K-$15K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Sep 22, 2025 | Oct 7, 2025 | 15 days | $1K-$15K | Filing |
Val T. Hoyle House · OR | LRCXLam Research Corporation - Common Stock | Sell | Spouse | Sep 23, 2025 | Oct 10, 2025 | 17 days | $1K-$15K | Filing |
Jonathan L. Jackson House · IL | LRCXLam Research Corporation - Common Stock | Sell | Spouse | Sep 3, 2025 | Oct 15, 2025 | 42 days | $1K-$15K | Filing |
Markwayne Mullin Senate · OK | LRCXLam Research Corporation - Common Stock | Buy | Joint | Dec 29, 2025 | Jan 16, 2026 | 18 days | $50K-$100K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Jan 8, 2026 | Jan 21, 2026 | 13 days | $15K-$50K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Jan 8, 2026 | Jan 21, 2026 | 13 days | $15K-$50K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Jan 16, 2026 | Feb 2, 2026 | 17 days | $1K-$15K | Filing |
John Boozman Senate · AR | LRCXLam Research Corp | Sell (partial) | Joint | Jan 8, 2026 | Feb 15, 2026 | 38 days | $1K-$15K | Filing |
Cleo Fields House · LA | LRCXLam Research Corporation - Common Stock | Buy | Self | Feb 3, 2026 | Feb 24, 2026 | 21 days | $15K-$50K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Feb 26, 2026 | Mar 6, 2026 | 8 days | $1K-$15K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Feb 26, 2026 | Mar 6, 2026 | 8 days | $1K-$15K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Buy | Self | Mar 12, 2026 | Mar 20, 2026 | 8 days | $1K-$15K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Apr 27, 2026 | May 7, 2026 | 10 days | $1K-$15K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Apr 27, 2026 | May 7, 2026 | 10 days | $1K-$15K | Filing |
David J. Taylor House · OH | LRCXLam Research Corporation - Common Stock | Sell | Self | Jun 5, 2026 | Jun 12, 2026 | 7 days | $1K-$15K | Filing |
Alan Armstrong Senate · OK | LRCXLam Research Corporation - Common Stock | Buy | Self | Mar 27, 2026 | Jul 21, 2026 | 116 daysLate | $1K-$15K | Filing |
Alan Armstrong Senate · OK | LRCXLam Research Corporation (LRCX) | Buy | Self | Mar 30, 2026 | Jul 21, 2026 | 113 daysLate | $1K-$15K | Filing |
Sheldon Whitehouse Senate · RI | LRCXLam Research Corporation - Common Stock | Sell (partial) | Spouse | Aug 13, 2026 | Sep 2, 2026 | 20 days | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report. Profiles, committees and photos: the unitedstates project (public domain). District maps: U.S. Census Bureau.