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Lam Research

2,070 hedge funds and large institutions have $136B invested in Lam Research in 2025 Q3 according to their latest regulatory filings, with 345 funds opening new positions, 751 increasing their positions, 717 reducing their positions, and 93 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

5% more repeat investments, than reductions

Existing positions increased: 751 | Existing positions reduced: 717

1.8% less ownership

Funds ownership: 82.31%80.52% (-1.8%)

16% less call options, than puts

Call options by funds: $2.73B | Put options by funds: $3.24B

Holders
2,070
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
80
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.73B
Puts
$3.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
ACA
251
Aptus Capital Advisors
Alabama
$40.4M
SCM
252
Shelton Capital Management
Colorado
$40.3M
DIA
253
Dana Investment Advisors
Wisconsin
$40.3M
IC
254
IEQ Capital
California
$40.2M
WJWM
255
Williams Jones Wealth Management
New York
$39.5M
Vontobel Holding
256
Vontobel Holding
Switzerland
$38.7M
Marshall Wace
257
Marshall Wace
United Kingdom
$38.3M
ZIG
258
Zurich Insurance Group
Switzerland
$38.2M
AssetMark Inc
259
AssetMark Inc
California
$38.1M
SSA
260
Schonfeld Strategic Advisors
New York
$37.9M
AB
261
Amalgamated Bank
New York
$37.6M
ADEF
262
Adams Diversified Equity Fund
Maryland
$37.2M
Holocene Advisors
263
Holocene Advisors
New York
$37M
Retirement Systems of Alabama
264
Retirement Systems of Alabama
Alabama
$36.2M
MIG
265
McGuire Investment Group
Rhode Island
$36.1M
NRS
266
Neville Rodie & Shaw
New York
$35.7M
WA
267
Wealth Architects
California
$35.3M
VCM
268
Voleon Capital Management
California
$35.1M
DDPIC
269
Deroy & Devereaux Private Investment Counsel
Michigan
$35M
Comerica Bank
270
Comerica Bank
Texas
$34.8M
VMPIC
271
Varma Mutual Pension Insurance Co
Finland
$34.7M
Pathstone Holdings
272
Pathstone Holdings
New Jersey
$34.6M
MIF
273
Mediolanum International Funds
Ireland
$34.4M
GFM
274
GF Fund Management
China
$34.1M
Nomura Holdings
275
Nomura Holdings
Japan
$34.1M