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Lam Research

2,379 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 447 funds opening new positions, 767 increasing their positions, 896 reducing their positions, and 125 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:

3.16% more ownership

Funds ownership: 80.71%83.87% (+3.2%)

14% less repeat investments, than reductions

Existing positions increased: 767 | Existing positions reduced: 896

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.05B

Holders
2,379
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
113
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.3B
Puts
$6.05B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Retirement Systems of Alabama
276
Retirement Systems of Alabama
Alabama
$45.7M
GFM
277
GF Fund Management
China
$45.6M
Vontobel Holding
278
Vontobel Holding
Switzerland
$45.4M
WA
279
Wealth Architects
California
$45.1M
AG
280
AIA Group
Hong Kong
$44.8M
NRS
281
Neville Rodie & Shaw
New York
$44.5M
Pathstone Holdings
282
Pathstone Holdings
New Jersey
$43.9M
QCM
283
QRG Capital Management
Illinois
$43.6M
II
284
IFM Investors
Australia
$43.6M
MIG
285
McGuire Investment Group
Rhode Island
$43.5M
DDPIC
286
Deroy & Devereaux Private Investment Counsel
Michigan
$43.3M
MGM
287
Manchester Global Management
United Kingdom
$42.7M
CIBC World Market
288
CIBC World Market
Ontario, Canada
$42.4M
CWM
289
CIBC World Markets
New York
$42.4M
DE
290
Defiance ETFs
New York
$41.2M
VMPIC
291
Varma Mutual Pension Insurance Co
Finland
$39.7M
Rockefeller Capital Management
292
Rockefeller Capital Management
New York
$39.5M
ZIM
293
Zacks Investment Management
Illinois
$39.3M
FTIA
294
Four Tree Island Advisory
New Hampshire
$39.2M
Comerica Bank
295
Comerica Bank
Texas
$38.9M
OSAM
296
O'Shaughnessy Asset Management
Connecticut
$38.6M
UM
297
UniSuper Management
Australia
$38.3M
BCIM
298
British Columbia Investment Management
British Columbia, Canada
$38.3M
IGAM
299
iA Global Asset Management
Quebec, Canada
$38.1M
NLGIA
300
Nippon Life Global Investors Americas
New York
$37.6M