Lam Research

LRCX • NASDAQ

Lam Research is a semiconductors company in the technology sector on NASDAQ, led by Timothy Archer, with a market cap of $273.15B. As of Q3 2025, 80% of shares are held by 2,044 institutional investors, with VANGUARD GROUP INC as the largest holder at 10.39%.

CEOTimothy Archer

Market Cap$273.15B

Semiconductors

Technology

Employees17.2K

Websitelamresearch.com

Country

United States of America

Overview

Overview of institutional ownership in LRCX as of Q3 2025 with a market cap of $168.85B

All Institutions

Institutions: 2,044
Value Held: $135.55B
Shares Held: 1.01B
Avg Position: $66.3M
Median Position: $1.5M

Hedge Funds

Hedge Funds: 126
Value Held: $8.8B
Shares Held: 65.5M
Avg Position: $69.5M
Median Position: $5.3M

Ownership Breakdown

Institutional (non-HF)

75.09%

$126.79B

Hedge Funds

5.19%

$8.8B

Retail & Other

19.72%

$33.3B

Based on market cap of $168.85B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in LRCX as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$17.5B 0.26% of portfolio	10.39% 131.0M shares	≤ Q2 2013 Held for 12y 6m+	$6.69T
BlackRock, Inc. Institution	Laurence D. Fink CEO	$16.6B 0.29% of portfolio	9.85% 124.3M shares	≤ Q2 2013 Held for 12y 6m+	$5.67T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$8.0B 0.28% of portfolio	4.74% 59.8M shares	≤ Q2 2013 Held for 12y 6m+	$2.88T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$4.5B 0.29% of portfolio	2.67% 33.6M shares	≤ Q2 2013 Held for 12y 6m+	$1.57T
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$4.0B 0.26% of portfolio	2.37% 29.9M shares	≤ Q2 2013 Held for 12y 6m+	$1.56T
AMERIPRISE FINANCIAL INC Institution	Jim Cracchiolo CEO	$3.4B 0.78% of portfolio	2.01% 25.3M shares	≤ Q2 2013 Held for 12y 6m+	$433.11B
FMR LLC Institution	-	$3.1B 0.16% of portfolio	1.85% 23.4M shares	≤ Q2 2013 Held for 12y 6m+	$1.92T
Invesco Ltd. ETF Provider	Brian Christopher Hartigan CEO	$2.8B 0.45% of portfolio	1.68% 21.2M shares	≤ Q2 2013 Held for 12y 6m+	$633.08B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$2.7B 0.16% of portfolio	1.58% 19.9M shares	≤ Q2 2013 Held for 12y 6m+	$1.65T
NORTHERN TRUST CORP Institution	Michael G. O'Grady CEO	$2.0B 0.25% of portfolio	1.16% 14.6M shares	≤ Q2 2013 Held for 12y 6m+	$782.03B

Net Capital Flow

Institutional buying and selling activity for LRCX in Q3 2025

Traded: −$1.2B
Buyers: 1,089
Sellers: 793
Total Bought: +$9.7B
Total Sold: −$10.9B
Avg Position: $63.5M

Biggest Buyers

Institution	Net Bought	Current Position
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$1.3B +10.1M shares	$1.5B 11.3M shares
Invesco Ltd. ETF Provider	+$437.0M +3.3M shares	$2.8B 21.2M shares
BARCLAYS PLC Institution	+$334.8M +2.5M shares	$1.4B 10.2M shares
C CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM Institution	+$315.6M +2.4M shares	$606.0M 4.5M shares
BlackRock, Inc. Institution	+$275.3M +2.1M shares	$16.6B 124.3M shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$274.3M +2.1M shares	$472.3M 3.5M shares
Bridgewater Associates, LP Hedge Fund•Global Macro	+$244.4M +1.8M shares	$463.8M 3.5M shares
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC Fund of Funds	+$213.7M +1.6M shares	$343.9M 2.6M shares
Polar Capital Holdings Plc Long Only Manager	+$196.1M +1.5M shares	$382.5M 2.9M shares
ING INVESTMENT MANAGEMENT LLC Insurance Manager	+$195.4M +1.5M shares	$594.6M 4.4M shares

Biggest Sellers

Institution	Net Sold	Current Position
JPMORGAN CHASE & CO Institution	−$1.4B −10.7M shares	$4.0B 29.9M shares
F FIL Ltd Institution	−$758.8M −5.7M shares	$193.0M 1.4M shares
AMERIPRISE FINANCIAL INC Institution	−$686.3M −5.1M shares	$3.4B 25.3M shares
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	−$515.7M −3.9M shares	$405.5M 3.0M shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$445.0M −3.3M shares	$407.9M 3.0M shares
A Amundi Institution	−$342.1M −2.3M shares	$1.3B 8.5M shares
Robeco Investment Management, Inc. Long Only Manager	−$341.3M −2.5M shares	$88.9M 662.4K shares
UBS Group AG Institution	−$328.3M −2.5M shares	$994.1M 7.4M shares
FMR LLC Institution	−$307.8M −2.3M shares	$3.1B 23.4M shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$301.7M −2.3M shares	$1.7B 12.7M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited LRCX in Q3 2025

New Positions: 130
New Value: $131.8M
Exited Positions: 90
Exited Value: $365.4M

New Positions

Institution	Position Value
CloudAlpha Capital Management Limited/Hong Kong Institution	$28.1M 210.2K shares
TruWealth Advisors, LLC RIA/Wealth	$15.7M 117.4K shares
Ravenswood Partners LP Hedge Fund•Long/Short	$10.1M 75.6K shares
Trivest Advisors Ltd Institution	$10.0M 75.0K shares
M Mubadala Investment Co PJSC Institution	$5.5M 41.0K shares
BNC WEALTH MANAGEMENT, LLC RIA/Wealth	$5.5M 40.8K shares
M Mizuho Markets Cayman LP Institution	$3.8M 28.1K shares
Night Squared LP Hedge Fund•Long/Short	$3.2M 23.9K shares
G Generali Investments, Management Co LLC Institution	$3.0M 22.4K shares
Vivid Wealth Management, LLC RIA/Wealth	$3.0M 22.3K shares

Exited Positions

Institution	Previous Position
A AXA Institution	$77.3M 793.8K shares
Junto Capital Management LP Hedge Fund•Long/Short	$47.7M 490.5K shares
M Meridiem Capital Partners LP Hedge Fund•Long/Short	$28.9M 296.6K shares
T Talos Asset Management LP Hedge Fund•Market Neutral	$27.2M 279.8K shares
Point72 Ltd RIA/Wealth	$21.2M 218.1K shares
Distillate Capital Partners LLC ETF Provider	$19.6M 201.2K shares
Davidson Kempner Capital Management LP Hedge Fund•Multi-Strategy	$19.5M 200.0K shares
Bowie Capital Management, LLC Hedge Fund•Long/Short	$12.3M 126.0K shares
YHB Investment Advisors, Inc. RIA/Wealth	$11.0M 113.4K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$10.5M 108.1K shares

Options Activity

Institutions with the largest Call and Put options positions in LRCX as of Q3 2025

Call Positions: 51
Call Value: $2.5B
Put Positions: 55
Put Value: $3.1B

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$637.7M 47.6K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$375.5M 28.0K contracts
J JANE STREET GROUP, LLC Institution	$229.6M 17.1K contracts
P PEAK6 LLC Institution	$175.4M 13.1K contracts
W WOLVERINE TRADING, LLC Institution	$120.6M 9.2K contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$116.0M 8.7K contracts
CITIGROUP INC Institution	$87.9M 6.6K contracts
B BNP PARIBAS ARBITRAGE, SA Institution	$82.4M 61.6 contracts
Walleye Trading LLC RIA/Wealth	$77.6M 5.8K contracts
BANK OF AMERICA CORP /DE/ Institution	$74.8M 5.6K contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$621.8M 46.4K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$390.9M 29.2K contracts
J JANE STREET GROUP, LLC Institution	$358.0M 26.7K contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$223.4M 16.7K contracts
B BNP PARIBAS ARBITRAGE, SA Institution	$201.7M 150.6 contracts
P PEAK6 LLC Institution	$121.0M 9.0K contracts
W WOLVERINE TRADING, LLC Institution	$104.7M 8.0K contracts
Marshall Wace LLP Institution	$104.2M 7.8K contracts
BANK OF AMERICA CORP /DE/ Institution	$97.4M 7.3K contracts
CITIGROUP INC Institution	$88.3M 6.6K contracts

Most Committed Institutions

Institutions with LRCX as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
O OAKTOP CAPITAL MANAGEMENT II, L.P. Institution	-	32.59% $360.4M	0.21% 2.7M shares	≤ Q2 2013 Held for 12y 6m+	$1.1B
Four Tree Island Advisory LLC RIA/Wealth	Eric James Gregg Owner	18.45% $28.9M	0.02% 234.5K shares	Q4 2024 Held for 1 year	$156.9M
H Harbor Island Capital LLC RIA/Wealth	Paul David Fortin Owner	13.23% $30.9M	0.02% 230.8K shares	Q3 2018 Held for 7y 3m	$233.7M
T Trybe Capital Management LP Fund of Funds	Michael Carl Fierro CFO	13.21% $64.0M	0.04% 478.2K shares	Q2 2025 Held for 6 months	$484.9M
B Blue Whale Capital LLP Institution	-	12.09% $227.8M	0.13% 1.7M shares	Q3 2021 Held for 4y 3m	$1.9B
Heard Capital LLC Hedge Fund•Long/Short	William Ellak Heard CEO	10.30% $212.3M	0.13% 1.6M shares	Q4 2019 Held for 6 years	$2.1B
CROSSLINK CAPITAL INC Venture Capital	Michael Joseph Stark President	7.43% $102.2M	0.06% 763.2K shares	Q3 2015 Held for 10y 3m	$1.4B
T Triple Frond Partners LLC Institution	-	7.38% $57.3M	0.03% 427.9K shares	Q3 2022 Held for 3y 3m	$776.7M
S Sustainable Insight Capital Management, LLC Long Only Manager	Dustin James Blodgett Managing Partner	7.13% $22.7M	0.01% 169.5K shares	Q3 2025 Held for 3 months	$318.2M
GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ RIA/Wealth	Robert Paul Groesbeck President	6.59% $3.4M	0.00% 25.2K shares	Q2 2017 Held for 8y 6m	$51.3M

Hedge Fund Spotlight

Discover hedge funds investing in LRCX

Squarepoint Ops LLC

Hedge Fund • Quant

Portfolio ManagerMichael Gottlieb

Portfolio Value: $46.9B
Positions: 2,531
Last Reported: Q3 2025

Sector Allocation

Position in Lam Research

Market Value: $86.7M
Shares Held: 647.4K
Portfolio Weight: 0.18%
Owned Since: 2015-Q4

Top Holding	Sector	Market Value	Weight
1 iShares Core S&P 500 ETF IVV	ETF ETF	$5.5B	11.75%
2 Amazon AMZN	Specialty Retail Consumer Cyclical	$983.1M	2.10%
3 Nvidia NVDA	Semiconductors Technology	$935.8M	1.99%