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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
SCM
201
Shelton Capital Management
Colorado
$85.4M
MSV
202
MN Services Vermogensbeheer
Netherlands
$85.1M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
203
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$85M
FLPIM
204
F.L. Putnam Investment Management
Massachusetts
$83M
TCM
205
Trybe Capital Management
Connecticut
$81.9M
Boston Partners
206
Boston Partners
Massachusetts
$81.8M
AAF
207
Andra AP-fonden
Sweden
$79.2M
Renaissance Technologies
208
Renaissance Technologies
New York
$79.2M
AF
209
Align Financial
Minnesota
$78.7M
Allspring Global Investments
210
Allspring Global Investments
North Carolina
$78.4M
State Farm Mutual Automobile Insurance
211
State Farm Mutual Automobile Insurance
Illinois
$77.9M
CI Investments Inc
212
CI Investments Inc
Ontario, Canada
$77.8M
NW
213
NewEdge Wealth
Pennsylvania
$77.5M
ClearBridge Investments
214
ClearBridge Investments
New York
$77.4M
Commonwealth Equity Services
215
Commonwealth Equity Services
Massachusetts
$77M
NAM
216
Nissay Asset Management
Japan
$75.6M
AIP
217
ARS Investment Partners
New York
$74.5M
ASC
218
Atalanta Sosnoff Capital
New York
$74.5M
State of New Jersey Common Pension Fund D
219
State of New Jersey Common Pension Fund D
New Jersey
$74.1M
MIF
220
Mediolanum International Funds
Ireland
$73.5M
AL
221
Appaloosa LP
New Jersey
$72.8M
FAF
222
Första AP-fonden
Sweden
$72.7M
Wellington Management Group
223
Wellington Management Group
Massachusetts
$71.3M
RAM
224
Resona Asset Management
Japan
$71.1M
PI
225
PineBridge Investments
New York
$70.7M