Updated
Lam ResearchLRCX · Technology
$221.53+10.57%
Market cap$276.7B
IndustrySemiconductor Equipment & Materials

Lam Research (LRCX) Superinvestor holders

50 of the superinvestors we track hold Lam Research (LRCX) in their latest 13F filings, $23.5B in total.

Summary

The largest holder is Arrowstreet Capital, with $5.3B, 2.4% of the portfolio.

In their latest quarter: 6 opened a new position, 12 added, 30 trimmed.

Who holds it

Each investor's latest 13F filing, largest stake first. What a 13F shows.

InvestorLast changeSharesValue% of portfolioFiled for
Arrowstreet Capital Trimmed 12,269,198$5.3B 2.4%Q2 2026
Philippe Laffont
Coatue Management
Trimmed 9,441,603$4.1B 8.4%Q2 2026
Jeremy Grantham
GMO
Trimmed 5,464,726$2.4B 5.3%Q2 2026
Jennison Associates Added 3,526,442$1.5B 0.9%Q2 2026
Cliff Asness
AQR Capital Management
Added 3,485,364$1.5B 0.5%Q2 2026
Chase Coleman
Tiger Global Management
Trimmed 3,163,495$1.4B 5.7%Q2 2026
Takis Sparaggis
Alkeon Capital Management
Trimmed 3,050,456$1.3B 5.1%Q2 2026
Baillie Gifford
Baillie Gifford & Co
Added 3,496,752$1.1B 1.1%Q3 2026
Acadian
Acadian Asset Management
Trimmed 1,978,305$650M 0.8%Q3 2026
Frank Sands
Sands Capital Management
Added 1,133,965$491M 1.8%Q2 2026
Ensign Peak
Ensign Peak Advisors
Added 1,121,447$486M 0.8%Q2 2026
Ray Dalio
Bridgewater Associates
Trimmed 938,224$407M 1.7%Q2 2026
Dan Davidowitz
Polen Capital Management
Trimmed 859,036$372M 3.2%Q2 2026
Artisan Partners Trimmed 786,238$341M 0.6%Q2 2026
Man Group
Man Group plc
Trimmed 777,269$337M 0.6%Q2 2026
Alex Sacerdote
Whale Rock Capital Management
Trimmed 742,638$322M 2.6%Q2 2026
Brad Gerstner
Altimeter Capital Management
New position 394,080$171M 1.7%Q2 2026
David Tepper
Appaloosa Management
Held 382,500$166M 2.2%Q2 2026
Hersh Cohen
ClearBridge Investments
Trimmed 378,708$164M 0.1%Q2 2026
Brandon Haley
Holocene Advisors
Added 317,652$138M 0.3%Q2 2026
Joel Greenblatt
Gotham Asset Management
Trimmed 276,730$120M 0.3%Q2 2026
Ken Fisher
Fisher Investments
Trimmed 326,785$107M 0.0%Q3 2026
Two Sigma
Two Sigma Investments
Trimmed 225,152$98M 0.1%Q2 2026
David Shaw
D. E. Shaw & Co.
Trimmed 206,424$89M 0.1%Q2 2026
Louis Bacon
Moore Capital Management
Added 155,520$67M 1.6%Q2 2026
Mark Donovan
Boston Partners
Trimmed 151,632$66M 0.1%Q2 2026
Paul Marshall
Marshall Wace
Added 134,545$58M 0.0%Q2 2026
Ron Baron
Baron Capital (BAMCO)
Added 129,318$56M 0.1%Q2 2026
Alger
Fred Alger Management
Added 70,721$31M 0.1%Q2 2026
First Manhattan
First Manhattan Co
Trimmed 52,227$23M 0.1%Q2 2026
Jimmy Levin
Sculptor Capital Management
Trimmed 51,200$22M 0.3%Q2 2026
Paul Tudor Jones
Tudor Investment Corp
Trimmed 44,412$19M 0.1%Q2 2026
Stanley Druckenmiller
Duquesne Family Office
New position 43,600$19M 0.4%Q2 2026
Aziz Hamzaogullari
Loomis Sayles & Co
Trimmed 36,313$16M 0.0%Q2 2026
Jim Simons
Renaissance Technologies
Added 31,600$14M 0.0%Q2 2026
Thornburg
Thornburg Investment Management
New position 20,299$9M 0.1%Q2 2026
Josef Lakonishok
LSV Asset Management
Trimmed 25,625$8M 0.0%Q3 2026
Alan Howard
Brevan Howard
Trimmed 16,077$7M 0.1%Q2 2026
Ken Tropin
Graham Capital Management
Trimmed 8,037$3M 0.1%Q2 2026
Mario Gabelli
GAMCO Investors
Added 7,869$3M 0.0%Q2 2026
Fayez Sarofim
Fayez Sarofim & Co
Trimmed 6,768$3M 0.0%Q2 2026
Rob Citrone
Discovery Capital Management
Trimmed 4,568$2M 0.1%Q2 2026
Lee Ainslie
Maverick Capital
New position 4,083$2M 0.0%Q2 2026
Fred DiSanto
Ancora Holdings
Trimmed 3,878$2M 0.0%Q2 2026
Will Nasgovitz
Heartland Advisors
Trimmed 3,285$1M 0.1%Q2 2026
Christopher Davis
Davis Selected Advisers
Held 2,780$1M 0.0%Q2 2026
Alec Litowitz
Magnetar Capital
Trimmed 2,293$993,626 0.0%Q2 2026
Sarah Ketterer
Causeway Capital Management
New position 816$353,597 0.0%Q2 2026
Mairs & Power
Mairs & Power Inc
New position 765$331,497 0.0%Q2 2026
Neil Hennessy
Hennessy Advisors
Trimmed 622$204,333 0.0%Q3 2026

Holders by quarter

QuarterSuperinvestors holding it
Q2 202650
Q1 202646
Q4 202538
Q3 202538
Q2 202539
Q1 202538
Q4 202438
Q3 20242

Questions about Lam Research

Which superinvestors own Lam Research?

50 of the superinvestors we track hold Lam Research (LRCX) in their latest 13F filings, $23.5B in total. Arrowstreet Capital, Philippe Laffont, Jeremy Grantham, Jennison Associates, Cliff Asness, Chase Coleman.

Who is the largest superinvestor holder of LRCX?

The largest holder is Arrowstreet Capital, with $5.3B, 2.4% of the portfolio.

From Lam Research's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.

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