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Lam Research

2,347 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 427 funds opening new positions, 763 increasing their positions, 890 reducing their positions, and 122 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:

3.54% more ownership

Funds ownership: 80.68%84.23% (+3.5%)

14% less repeat investments, than reductions

Existing positions increased: 763 | Existing positions reduced: 890

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.04B

Holders
2,347
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
$6.04B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
GFM
276
GF Fund Management
China
$45.6M
Vontobel Holding
277
Vontobel Holding
Switzerland
$45.4M
WA
278
Wealth Architects
California
$45.1M
AG
279
AIA Group
Hong Kong
$44.8M
NRS
280
Neville Rodie & Shaw
New York
$44.5M
Pathstone Holdings
281
Pathstone Holdings
New Jersey
$43.9M
QCM
282
QRG Capital Management
Illinois
$43.6M
II
283
IFM Investors
Australia
$43.6M
MIG
284
McGuire Investment Group
Rhode Island
$43.5M
DDPIC
285
Deroy & Devereaux Private Investment Counsel
Michigan
$43.3M
MGM
286
Manchester Global Management
United Kingdom
$42.7M
CIBC World Market
287
CIBC World Market
Ontario, Canada
$42.4M
CWM
288
CIBC World Markets
New York
$42.4M
DE
289
Defiance ETFs
New York
$41.2M
VMPIC
290
Varma Mutual Pension Insurance Co
Finland
$39.7M
Rockefeller Capital Management
291
Rockefeller Capital Management
New York
$39.5M
ZIM
292
Zacks Investment Management
Illinois
$39.3M
FTIA
293
Four Tree Island Advisory
New Hampshire
$39.2M
Comerica Bank
294
Comerica Bank
Texas
$38.9M
OSAM
295
O'Shaughnessy Asset Management
Connecticut
$38.6M
UM
296
UniSuper Management
Australia
$38.3M
BCIM
297
British Columbia Investment Management
British Columbia, Canada
$38.3M
IGAM
298
iA Global Asset Management
Quebec, Canada
$38.1M
NLGIA
299
Nippon Life Global Investors Americas
New York
$37.6M
CCM
300
Coldstream Capital Management
Washington
$37.6M