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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
Members of Congress who traded LRCX
MemberTradesBuys / sellsEst. volumeLast tradedLast filed
Sheldon WhitehouseDemocrat · Senate · RI30 / 3$73.0KAug 13, 2026Sep 2, 2026
David J. TaylorRepublican · House · OH131 / 12$153.0KJun 5, 2026Jun 12, 2026
Alan ArmstrongRepublican · Senate · OK11 / 0$8.00KMar 27, 2026Jul 21, 2026
Cleo FieldsDemocrat · House · LA11 / 0$32.5KFeb 3, 2026Feb 24, 2026
John BoozmanRepublican · Senate · AR50 / 5$40.0KJan 8, 2026Feb 15, 2026
Markwayne MullinRepublican · Senate · OK65 / 1$255.5KDec 29, 2025Jan 16, 2026
Val T. HoyleDemocrat · House · OR31 / 2$24.0KSep 23, 2025Oct 10, 2025
Jonathan L. JacksonDemocrat · House · IL42 / 2$81.0KSep 3, 2025Oct 15, 2025
Byron DonaldsRepublican · House · FL22 / 0$16.0KAug 7, 2025Sep 5, 2025
Jefferson ShreveRepublican · House · IN41 / 3$215.0KMay 12, 2025Jun 22, 2025
Robert P. Bresnahan, Jr.Republican · House · PA21 / 1$16.0KApr 8, 2025May 8, 2025
Julie JohnsonDemocrat · House · TX10 / 1$8.00KApr 7, 2025May 14, 2025
Marjorie Taylor GreeneRepublican · House · GA44 / 0$32.0KApr 4, 2025Apr 7, 2025
Gilbert Ray Cisneros, Jr.Democrat · House · CA10 / 1$32.5KJan 28, 2025Feb 11, 2025
William R. KeatingDemocrat · House · MA32 / 1$24.0KJan 24, 2025Feb 25, 2025
Josh GottheimerDemocrat · House · NJ124 / 8$96.0KOct 22, 2024Nov 6, 2024
John JamesRepublican · House · MI31 / 2$24.0KSep 4, 2024Sep 6, 2024
Kathy E. ManningDemocrat · House · NC117 / 4$137.0KJul 2, 2024Aug 16, 2024
Tommy TubervilleRepublican · Senate · AL10 / 1$8.00KJan 19, 2024Feb 14, 2024
John R. CurtisRepublican · House · UT41 / 3$32.0KDec 4, 2023Dec 15, 2023
Greg StantonDemocrat · House · AZ21 / 1$16.0KOct 24, 2023Nov 9, 2023
Dan SullivanRepublican · Senate · AK21 / 1$16.0KAug 22, 2023Sep 22, 2023
Deborah K. RossDemocrat · House · NC11 / 0$32.5KApr 27, 2021Apr 30, 2021

Trades

Every reported trade in Lam Research Corp, newest filings first.

Congress trades
MemberAssetTypeOwnerTradedFiledDelayAmountSource
Sheldon WhitehouseDemocrat · Senate · RILRCXLam Research Corporation - Common StockSell (partial)SpouseAug 13, 2026Sep 2, 202620 days$1K-$15KFiling
Alan ArmstrongRepublican · Senate · OKLRCXLam Research Corporation - Common StockBuySelfMar 27, 2026Jul 21, 2026116 daysLate$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfJun 5, 2026Jun 12, 20267 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfApr 27, 2026May 7, 202610 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfApr 27, 2026May 7, 202610 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockBuySelfMar 12, 2026Mar 20, 20268 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfFeb 26, 2026Mar 6, 20268 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfFeb 26, 2026Mar 6, 20268 days$1K-$15KFiling
Cleo FieldsDemocrat · House · LALRCXLam Research Corporation - Common StockBuySelfFeb 3, 2026Feb 24, 202621 days$15K-$50KFiling
John BoozmanRepublican · Senate · ARLRCXLam Research CorpSell (partial)JointJan 8, 2026Feb 15, 202638 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfJan 16, 2026Feb 2, 202617 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfJan 8, 2026Jan 21, 202613 days$15K-$50KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfJan 8, 2026Jan 21, 202613 days$15K-$50KFiling
Markwayne MullinRepublican · Senate · OKLRCXLam Research Corporation - Common StockBuyJointDec 29, 2025Jan 16, 202618 days$50K-$100KFiling
Jonathan L. JacksonDemocrat · House · ILLRCXLam Research Corporation - Common StockSellSpouseSep 3, 2025Oct 15, 202542 days$1K-$15KFiling
Val T. HoyleDemocrat · House · ORLRCXLam Research Corporation - Common StockSellSpouseSep 23, 2025Oct 10, 202517 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfSep 22, 2025Oct 7, 202515 days$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfSep 22, 2025Oct 7, 202515 days$1K-$15KFiling
Jonathan L. JacksonDemocrat · House · ILLRCXLam Research Corporation - Common StockBuySpouseAug 13, 2025Sep 23, 202541 days$1K-$15KFiling
Val T. HoyleDemocrat · House · ORLRCXLam Research Corporation - Common StockSell (partial)SpouseFeb 4, 2025Sep 12, 2025220 daysLate$1K-$15KFiling
Val T. HoyleDemocrat · House · ORLRCXLam Research Corporation - Common StockBuySpouseOct 29, 2024Sep 12, 2025318 daysLate$1K-$15KFiling
Byron DonaldsRepublican · House · FLLRCXLam Research Corporation - Common StockBuySpouseAug 7, 2025Sep 5, 202529 days$1K-$15KFiling
Byron DonaldsRepublican · House · FLLRCXLam Research Corporation - Common StockBuySelfAug 7, 2025Sep 5, 202529 days$1K-$15KFiling
Sheldon WhitehouseDemocrat · Senate · RILRCXLam Research CorpSell (partial)SpouseAug 28, 2025Sep 3, 20256 days$15K-$50KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfJul 18, 2025Sep 2, 202546 daysLate$1K-$15KFiling
David J. TaylorRepublican · House · OHLRCXLam Research Corporation - Common StockSellSelfJul 18, 2025Sep 2, 202546 daysLate$1K-$15KFiling
Markwayne MullinRepublican · Senate · OKLRCXLam Research CorpBuyJointJan 2, 2024Aug 12, 2025Amended24 days$15K-$50KFiling
Jefferson ShreveRepublican · House · INLRCXLam Research Corporation - Common StockSellSelfMay 12, 2025Jun 22, 202541 days$15K-$50KFiling
Markwayne MullinRepublican · Senate · OKLRCXLam Research CorpBuyJointMay 13, 2025Jun 11, 202529 days$15K-$50KFiling
John BoozmanRepublican · Senate · ARLRCXLam Research CorpSell (partial)JointApr 16, 2025May 14, 202528 days$1K-$15KFiling
Julie JohnsonDemocrat · House · TXLRCXLam Research Corporation - Common StockSellJointApr 7, 2025May 14, 202537 days$1K-$15KFiling
Markwayne MullinRepublican · Senate · OKLRCXLam Research CorpSell (partial)JointApr 8, 2025May 12, 202534 days$50K-$100KFiling
Robert P. Bresnahan, Jr.Republican · House · PALRCXLam Research Corporation - Common StockSellSelfApr 8, 2025May 8, 202530 days$1K-$15KFiling
Jefferson ShreveRepublican · House · INLRCXLam Research Corporation - Common StockSell (partial)SelfApr 7, 2025May 8, 202531 days$15K-$50KFiling
Jefferson ShreveRepublican · House · INLRCXLam Research Corporation - Common StockBuySelfMar 31, 2025Apr 11, 202511 days$50K-$100KFiling
Jefferson ShreveRepublican · House · INLRCXLam Research Corporation - Common StockSell (partial)SelfMar 5, 2025Apr 11, 202537 days$50K-$100KFiling
Marjorie Taylor GreeneRepublican · House · GALRCXLam Research Corporation - Common StockBuySelfApr 4, 2025Apr 7, 20253 days$1K-$15KFiling
John BoozmanRepublican · Senate · ARLRCXLam Research CorpSell (partial)JointFeb 5, 2025Mar 6, 202529 days$1K-$15KFiling
William R. KeatingDemocrat · House · MALRCXLam Research Corporation - Common StockSellSelfJan 24, 2025Feb 25, 202532 days$1K-$15KFiling
Robert P. Bresnahan, Jr.Republican · House · PALRCXLam Research Corporation - Common StockBuySelfJan 16, 2025Feb 13, 202528 days$1K-$15KFiling
Gilbert Ray Cisneros, Jr.Democrat · House · CALRCXLam Research Corporation - Common StockSell (partial)SelfJan 28, 2025Feb 11, 202514 days$15K-$50KFiling
Sheldon WhitehouseDemocrat · Senate · RILRCXLam Research CorpSell (full)SelfDec 19, 2024Jan 8, 202520 days$15K-$50KFiling
Marjorie Taylor GreeneRepublican · House · GALRCXLam Research Corporation - Common StockBuySelfNov 25, 2024Nov 27, 20242 days$1K-$15KFiling
Josh GottheimerDemocrat · House · NJLRCXLam Research Corporation - Common StockSell (partial)JointOct 22, 2024Nov 6, 202415 days$1K-$15KFiling
Josh GottheimerDemocrat · House · NJLRCXLam Research Corporation - Common StockSell (partial)JointOct 17, 2024Nov 6, 202420 days$1K-$15KFiling
Marjorie Taylor GreeneRepublican · House · GALRCXLam Research Corporation - Common StockBuySelfOct 4, 2024Oct 8, 20244 days$1K-$15KFiling
Josh GottheimerDemocrat · House · NJLRCXLam Research Corporation - Common StockSell (partial)JointSep 23, 2024Oct 3, 202410 days$1K-$15KFiling
Marjorie Taylor GreeneRepublican · House · GALRCXLam Research Corporation - Common StockBuySelfSep 20, 2024Sep 23, 20243 days$1K-$15KFiling
Jonathan L. JacksonDemocrat · House · ILLRCXLam Research Corporation - Common StockSellJointAug 26, 2024Sep 20, 202425 days$15K-$50KFiling
John JamesRepublican · House · MILRCXLam Research Corporation - Common StockSellSelfSep 4, 2024Sep 6, 20242 days$1K-$15KFiling

Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.