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; 3,142 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.
Members of Congress who traded LRCX
Since 2020, newest trade first. Options and trades reported under an earlier ticker are included.
- Trades
- 89
- Filings
- 73
- Members
- 23
- Buys / sells
- 37 / 52
- Estimated volume
- $1.37M
- Sum of range midpoints
| Member | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
| Sheldon WhitehouseDemocrat · Senate · RI | 3 | 0 / 3 | $73.0K | Aug 13, 2026 | Sep 2, 2026 |
| David J. TaylorRepublican · House · OH | 13 | 1 / 12 | $153.0K | Jun 5, 2026 | Jun 12, 2026 |
| Alan ArmstrongRepublican · Senate · OK | 1 | 1 / 0 | $8.00K | Mar 27, 2026 | Jul 21, 2026 |
| Cleo FieldsDemocrat · House · LA | 1 | 1 / 0 | $32.5K | Feb 3, 2026 | Feb 24, 2026 |
| John BoozmanRepublican · Senate · AR | 5 | 0 / 5 | $40.0K | Jan 8, 2026 | Feb 15, 2026 |
| Markwayne MullinRepublican · Senate · OK | 6 | 5 / 1 | $255.5K | Dec 29, 2025 | Jan 16, 2026 |
| Val T. HoyleDemocrat · House · OR | 3 | 1 / 2 | $24.0K | Sep 23, 2025 | Oct 10, 2025 |
| Jonathan L. JacksonDemocrat · House · IL | 4 | 2 / 2 | $81.0K | Sep 3, 2025 | Oct 15, 2025 |
| Byron DonaldsRepublican · House · FL | 2 | 2 / 0 | $16.0K | Aug 7, 2025 | Sep 5, 2025 |
| Jefferson ShreveRepublican · House · IN | 4 | 1 / 3 | $215.0K | May 12, 2025 | Jun 22, 2025 |
| Robert P. Bresnahan, Jr.Republican · House · PA | 2 | 1 / 1 | $16.0K | Apr 8, 2025 | May 8, 2025 |
| Julie JohnsonDemocrat · House · TX | 1 | 0 / 1 | $8.00K | Apr 7, 2025 | May 14, 2025 |
| Marjorie Taylor GreeneRepublican · House · GA | 4 | 4 / 0 | $32.0K | Apr 4, 2025 | Apr 7, 2025 |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | 1 | 0 / 1 | $32.5K | Jan 28, 2025 | Feb 11, 2025 |
| William R. KeatingDemocrat · House · MA | 3 | 2 / 1 | $24.0K | Jan 24, 2025 | Feb 25, 2025 |
| Josh GottheimerDemocrat · House · NJ | 12 | 4 / 8 | $96.0K | Oct 22, 2024 | Nov 6, 2024 |
| John JamesRepublican · House · MI | 3 | 1 / 2 | $24.0K | Sep 4, 2024 | Sep 6, 2024 |
| Kathy E. ManningDemocrat · House · NC | 11 | 7 / 4 | $137.0K | Jul 2, 2024 | Aug 16, 2024 |
| Tommy TubervilleRepublican · Senate · AL | 1 | 0 / 1 | $8.00K | Jan 19, 2024 | Feb 14, 2024 |
| John R. CurtisRepublican · House · UT | 4 | 1 / 3 | $32.0K | Dec 4, 2023 | Dec 15, 2023 |
| Greg StantonDemocrat · House · AZ | 2 | 1 / 1 | $16.0K | Oct 24, 2023 | Nov 9, 2023 |
| Dan SullivanRepublican · Senate · AK | 2 | 1 / 1 | $16.0K | Aug 22, 2023 | Sep 22, 2023 |
| Deborah K. RossDemocrat · House · NC | 1 | 1 / 0 | $32.5K | Apr 27, 2021 | Apr 30, 2021 |
Trades
Every reported trade in Lam Research Corp, newest filings first.
| Member | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation | Buy | Joint | Feb 28, 2020 | Mar 16, 2020 | 17 days | $1K-$15K | Filing |
| John R. CurtisRepublican · House · UT | LRCXLam Research Corporation | Buy | Self | Mar 27, 2020 | Apr 9, 2020 | 13 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation | Sell (partial) | Joint | Mar 31, 2021 | Apr 21, 2021 | 21 days | $1K-$15K | Filing |
| William R. KeatingDemocrat · House · MA | LRCXLam Research Corporation | Buy | Self | Mar 17, 2021 | Apr 27, 2021 | 41 days | $1K-$15K | Filing |
| Deborah K. RossDemocrat · House · NC | LRCXLam Research Corporation | Buy | Spouse | Apr 27, 2021 | Apr 30, 2021 | 3 days | $15K-$50K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Buy | Self | Apr 30, 2021 | May 6, 2021 | 6 days | $15K-$50K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Buy | Spouse | Apr 30, 2021 | May 6, 2021 | 6 days | $1K-$15K | Filing |
| John R. CurtisRepublican · House · UT | LRCXLam Research Corporation | Sell (partial) | Self | Jun 22, 2021 | Jul 6, 2021 | 14 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation | Buy | Joint | Jun 9, 2021 | Jul 15, 2021 | 36 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation | Sell (partial) | Joint | Oct 29, 2021 | Nov 15, 2021 | 17 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation | Sell (partial) | Joint | Nov 8, 2021 | Dec 13, 2021 | 35 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation | Sell (partial) | Joint | Jan 26, 2022 | Feb 18, 2022 | 23 days | $1K-$15K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Buy | Self | Jul 27, 2022 | Aug 10, 2022 | 14 days | $1K-$15K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Buy | Spouse | Jul 27, 2022 | Aug 10, 2022 | 14 days | $1K-$15K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Buy | Spouse | Jul 27, 2022 | Aug 10, 2022 | 14 days | $1K-$15K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Sell | Spouse | Oct 12, 2022 | Nov 10, 2022 | 29 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation | Sell (partial) | Joint | Jan 11, 2023 | Feb 17, 2023 | 37 days | $1K-$15K | Filing |
| William R. KeatingDemocrat · House · MA | LRCXLam Research Corporation | Buy | Self | Feb 13, 2023 | Feb 28, 2023 | 15 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation | Buy | Joint | Feb 14, 2023 | Mar 17, 2023 | 31 days | $1K-$15K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Buy | Self | Apr 28, 2023 | May 19, 2023 | 21 days | $1K-$15K | Filing |
| Dan SullivanRepublican · Senate · AK | LRCXLam Research Corporation - Common Stock | Buy | Joint | Nov 30, 2022 | Jul 26, 2023Amended | 21 days | $1K-$15K | Filing |
| John R. CurtisRepublican · House · UT | LRCXLam Research Corporation | Sell (partial) | Joint | Jun 21, 2023 | Aug 7, 2023 | 47 daysLate | $1K-$15K | Filing |
| Dan SullivanRepublican · Senate · AK | LRCXLam Research Corp | Sell (full) | Joint | Aug 22, 2023 | Sep 22, 2023Amended | 27 days | $1K-$15K | Filing |
| Markwayne MullinRepublican · Senate · OK | LRCXLam Research Corp | Buy | Joint | Sep 13, 2023 | Oct 12, 2023 | 29 days | $15K-$50K | Filing |
| Markwayne MullinRepublican · Senate · OK | LRCXLam Research Corporation - Common Stock | Buy | Joint | Oct 3, 2023 | Nov 1, 2023 | 29 days | $1K-$15K | Filing |
| Greg StantonDemocrat · House · AZ | LRCXLam Research Corporation | Buy | Spouse | Sep 26, 2023 | Nov 9, 2023 | 44 days | $1K-$15K | Filing |
| Greg StantonDemocrat · House · AZ | LRCXLam Research Corporation | Sell | Spouse | Oct 24, 2023 | Nov 9, 2023 | 16 days | $1K-$15K | Filing |
| John R. CurtisRepublican · House · UT | LRCXLam Research Corporation | Sell | Joint | Dec 4, 2023 | Dec 15, 2023 | 11 days | $1K-$15K | Filing |
| John BoozmanRepublican · Senate · AR | LRCXLam Research Corp | Sell (partial) | Self | Dec 20, 2023 | Jan 8, 2024Amended | 19 days | $1K-$15K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Sell (partial) | Spouse | Jan 23, 2024 | Feb 6, 2024 | 14 days | $1K-$15K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Sell (partial) | Spouse | Jan 23, 2024 | Feb 6, 2024 | 14 days | $15K-$50K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation | Sell (partial) | Spouse | Jan 23, 2024 | Feb 6, 2024 | 14 days | $1K-$15K | Filing |
| Tommy TubervilleRepublican · Senate · AL | LRCXLam Research Corporation - Common Stock | Sell (full) | Joint | Jan 19, 2024 | Feb 14, 2024 | 26 days | $1K-$15K | Filing |
| Jonathan L. JacksonDemocrat · House · IL | LRCXLam Research Corporation - Common Stock | Buy | Joint | Jan 19, 2024 | Feb 15, 2024 | 27 days | $15K-$50K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation - Common Stock | Buy | Joint | Jan 25, 2024 | Feb 15, 2024 | 21 days | $1K-$15K | Filing |
| John BoozmanRepublican · Senate · AR | LRCXLam Research Corporation - Common Stock | Sell (partial) | Joint | Jul 26, 2024 | Aug 6, 2024 | 11 days | $1K-$15K | Filing |
| Kathy E. ManningDemocrat · House · NC | LRCXLam Research Corporation - Common Stock | Buy | Spouse | Jul 2, 2024 | Aug 16, 2024 | 45 days | $1K-$15K | Filing |
| John JamesRepublican · House · MI | LRCXLam Research Corporation - Common Stock | Buy | Self | Nov 10, 2023 | Sep 2, 2024 | 297 daysLate | $1K-$15K | Filing |
| John JamesRepublican · House · MI | LRCXLam Research Corporation - Common Stock | Sell (partial) | Self | Jul 30, 2024 | Sep 2, 2024 | 34 days | $1K-$15K | Filing |
| John JamesRepublican · House · MI | LRCXLam Research Corporation - Common Stock | Sell | Self | Sep 4, 2024 | Sep 6, 2024 | 2 days | $1K-$15K | Filing |
| Jonathan L. JacksonDemocrat · House · IL | LRCXLam Research Corporation - Common Stock | Sell | Joint | Aug 26, 2024 | Sep 20, 2024 | 25 days | $15K-$50K | Filing |
| Marjorie Taylor GreeneRepublican · House · GA | LRCXLam Research Corporation - Common Stock | Buy | Self | Sep 20, 2024 | Sep 23, 2024 | 3 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation - Common Stock | Sell (partial) | Joint | Sep 23, 2024 | Oct 3, 2024 | 10 days | $1K-$15K | Filing |
| Marjorie Taylor GreeneRepublican · House · GA | LRCXLam Research Corporation - Common Stock | Buy | Self | Oct 4, 2024 | Oct 8, 2024 | 4 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation - Common Stock | Sell (partial) | Joint | Oct 22, 2024 | Nov 6, 2024 | 15 days | $1K-$15K | Filing |
| Josh GottheimerDemocrat · House · NJ | LRCXLam Research Corporation - Common Stock | Sell (partial) | Joint | Oct 17, 2024 | Nov 6, 2024 | 20 days | $1K-$15K | Filing |
| Marjorie Taylor GreeneRepublican · House · GA | LRCXLam Research Corporation - Common Stock | Buy | Self | Nov 25, 2024 | Nov 27, 2024 | 2 days | $1K-$15K | Filing |
| Sheldon WhitehouseDemocrat · Senate · RI | LRCXLam Research Corp | Sell (full) | Self | Dec 19, 2024 | Jan 8, 2025 | 20 days | $15K-$50K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | LRCXLam Research Corporation - Common Stock | Sell (partial) | Self | Jan 28, 2025 | Feb 11, 2025 | 14 days | $15K-$50K | Filing |
| Robert P. Bresnahan, Jr.Republican · House · PA | LRCXLam Research Corporation - Common Stock | Buy | Self | Jan 16, 2025 | Feb 13, 2025 | 28 days | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.