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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
SO
201
STRS Ohio
Ohio
$87M
SCM
202
Shelton Capital Management
Colorado
$85.4M
MSV
203
MN Services Vermogensbeheer
Netherlands
$85.1M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
204
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$85M
FLPIM
205
F.L. Putnam Investment Management
Massachusetts
$83M
TCM
206
Trybe Capital Management
Connecticut
$81.9M
Boston Partners
207
Boston Partners
Massachusetts
$81.8M
AAF
208
Andra AP-fonden
Sweden
$79.2M
Renaissance Technologies
209
Renaissance Technologies
New York
$79.2M
AF
210
Align Financial
Minnesota
$78.7M
Allspring Global Investments
211
Allspring Global Investments
North Carolina
$78.4M
State Farm Mutual Automobile Insurance
212
State Farm Mutual Automobile Insurance
Illinois
$77.9M
CI Investments Inc
213
CI Investments Inc
Ontario, Canada
$77.8M
NW
214
NewEdge Wealth
Pennsylvania
$77.5M
ClearBridge Investments
215
ClearBridge Investments
New York
$77.4M
Commonwealth Equity Services
216
Commonwealth Equity Services
Massachusetts
$77M
NAM
217
Nissay Asset Management
Japan
$75.6M
AIP
218
ARS Investment Partners
New York
$74.5M
ASC
219
Atalanta Sosnoff Capital
New York
$74.5M
State of New Jersey Common Pension Fund D
220
State of New Jersey Common Pension Fund D
New Jersey
$74.1M
MIF
221
Mediolanum International Funds
Ireland
$73.5M
AL
222
Appaloosa LP
New Jersey
$72.8M
FAF
223
Första AP-fonden
Sweden
$72.7M
Wellington Management Group
224
Wellington Management Group
Massachusetts
$71.3M
RAM
225
Resona Asset Management
Japan
$71.1M