Lam Research Corp

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Lam Research Corp
TickerLRCX
CIK #0000707549
CUSIP512807108
SectorTechnology - Special Industry Machinery, Nec
Address4650 Cushing Blvd, Fremont, CA 94538
Source [EDGAR]
CIK Filing 2011 - 2026
[0000707549] 10-K
[0000707549] 10-Q
[0000707549] 3
[0000707549] 4
[0000707549] 5
[0000707549] 8-K
[0000707549] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Lam Research Corp [2026-04-30] 0.0
Vanguard Group Inc Lam Research Corp [2025-04-07] 0.0
FMR LLC Lam Research Corp [2020-02-07] 0.0
BlackRock Inc Lam Research Corp [2018-02-08] 7.0
FMR LLC Lam Research Corp [2017-02-14] 0.0
Goldman Sachs Asset Management LP Lam Research Corp [2013-02-14] 6.1
Vanguard Group Inc Lam Research Corp [2013-02-13] 6.15
Ameriprise Financial Inc Lam Research Corp [2013-02-13] 7.73
AllianceBernstein LP Lam Research Corp [2012-02-14] 8.1
Form 3/4/5 Filer 2011 - 2026
Lam Research Corp
Archer Timothy
Brandt Eric
Fernandes Neil J
Harter Ava
Talwalkar Abhijit Y
Rammohan Karthikeyan
Bettinger Douglas R
Correia Christina
Varadarajan Seshasayee
Vahedi Vahid
Lord Patrick J
Devgan Anirudh
Mayer Bethany
Brennan Ita M
Dineen John M
Cannon Michael R
Fields Mark
Ahmed Sohail U
Kang Ho Kyu
Mehra Jyoti
Schisler George M
Hahn Ava
Tsai Lih Shyng Rick
Varon Leslie F
Gottscho Richard A
Meikle Scott Gerald
Lego Catherine P
El Mansy Youssef A
Jennings Kevin
O'Dowd Sarah A
Heckart Christine
Newberry Stephen G
Anstice Martin B
Koh Young Bum
Saraswat Krishna
Spivey William
Inman Grant M
Maddock Ernest E
Whitaker Delbert
Bagley James W
Berdahl Robert M
Perdikou Kim
Morita Masayuki
Srinivasan Mukund
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Harter Ava
Common Stock
2026-03-27 Tax withheld 3,199 $233.89 748,214
Vahedi Vahid
Common Stock
2026-03-27 Tax withheld 3,382 $233.89 791,016
Talwalkar Abhijit Y
Common Stock
2026-03-10 Gift 4,571 $0.00
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
2026-03-04 Option exercise 51,270 $0.00
Bettinger Douglas R
Common Stock
2026-03-04 Option exercise 51,270 $49.09 2,516,844
Bettinger Douglas R
Common Stock
2026-03-04 Sell 50,057 $224.03 11,214,270
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
2026-03-04 Option exercise 26,480 $0.00
Harter Ava
Common Stock
2026-03-04 Sell 1,500 $222.66 333,990
Bettinger Douglas R
Common Stock
2026-03-04 Option exercise 26,480 $98.15 2,599,012
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
2026-03-02 Option exercise 16,620 $0.00
Bettinger Douglas R
Common Stock
2026-03-02 Option exercise 16,620 $59.88 995,206
Bettinger Douglas R
Common Stock
2026-03-02 Option exercise 11,710 $30.03 351,651
Bettinger Douglas R
Common Stock
2026-03-02 Option exercise 37,980 $54.06 2,053,199
Bettinger Douglas R
Common Stock
2026-03-02 Sell 40,329 $230.22 9,284,542
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
2026-03-02 Option exercise 37,980 $0.00
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
2026-03-02 Option exercise 11,710 $0.00
Harter Ava
Common Stock
2026-03-02 Sell 4,000 $232.50 930,000
Archer Timothy
Common Stock
2026-02-27 Tax withheld 8,111 $233.89 1,897,082
Archer Timothy
Common Stock
2026-02-27 Grant 51,053 $0.00
Varadarajan Seshasayee
Common Stock
2026-02-27 Tax withheld 3,168 $233.89 740,964
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 2,640 1,033,984,384
2025-12-31 2,397 1,091,688,681
2025-09-30 2,121 1,064,575,178
2025-06-30 1,880 1,068,061,815
2025-03-31 1,801 1,059,087,963
2024-12-31 1,697 1,067,595,162
2024-09-30 1,482 103,518,747
2024-06-30 1,798 111,361,440
2024-03-31 1,734 116,033,896
2023-12-31 1,642 116,007,598
2023-09-30 1,447 109,402,374
2023-06-30 1,442 111,150,200
Form 13F Holdings
Firm Period DFND Voting Shares
Swedbank AB [2026-06-30] DFND 4,648,711 4,648,711
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 66,831 991,741
HM Payson & Co [2026-06-30] SOLE 612,343 734,802
Assenagon Asset Management SA [2026-06-30] SOLE 519,230 519,230
Czech National Bank [2026-06-30] SOLE 355,960 355,960
Schmeidler A R & Co Inc [2026-06-30] SOLE 37,672 355,425
QRG Capital Management Inc [2026-06-30] SOLE 278,844 278,844
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 276,217 276,217
PensionDanmark Pensionsforsikringsaktieselskab [2026-06-30] SOLE 0 268,636
Gateway Investment Advisers LLC [2026-06-30] SOLE 232,236 232,236
Wedge Capital Management L L P/NC [2026-06-30] SOLE 156,554 220,495
Aegon Asset Management UK PLC [2026-06-30] SOLE 212,363 213,677
Burney CO/ [2026-06-30] SOLE 5,113 204,176
ASR Vermogensbeheer NV [2026-06-30] DFND 172,453 172,453
Gradient Investments LLC [2026-06-30] SOLE 0 150,167
Steel Peak Wealth Management LLC [2026-06-30] SOLE 32,358 139,429
Crossmark Global Holdings Inc [2026-06-30] SOLE 132,930 132,930
PBU - The Pension Fund of Early Childhood & Youth Educators [2026-06-30] SOLE 1 132,667
Avanza Fonder AB [2026-06-30] SOLE 131,897 131,897
Yousif Capital Management LLC [2026-06-30] SOLE 31,806 123,703
Kepler Cheuvreux Suisse SA [2026-06-30] DFND 118,131 118,131
Global X Japan Co Ltd [2026-06-30] SOLE 116,869 116,869
Sava Infond doo [2026-06-30] DFND 0 111,740
Envestnet Portfolio Solutions Inc [2026-06-30] SOLE 108,335 108,335
First Citizens Bank & Trust Co [2026-06-30] SOLE 105,308 105,681
Canada Post Corp Registered Pension Plan [2026-06-30] SOLE 103,446 103,446
First Merchants Corp [2026-06-30] SOLE 101,082 101,136
OFI Invest Asset Management [2026-06-30] SOLE 38,301,409 99,512
YHB Investment Advisors Inc [2026-06-30] SOLE 96,662 96,662
Violich Capital Management [2026-06-30] SOLE 92,250 92,250
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