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Lam Research

2,359 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 434 funds opening new positions, 764 increasing their positions, 893 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:

3.56% more ownership

Funds ownership: 80.69%84.26% (+3.6%)

14% less repeat investments, than reductions

Existing positions increased: 764 | Existing positions reduced: 893

29% less call options, than puts

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

Holders
2,359
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
DMBA
1201
Deseret Mutual Benefit Administrators
Utah
$1.33M
RFP
1202
Root Financial Partners
California
$1.32M
IRP
1203
Investment Research Partners
Pennsylvania
$1.32M
PCA
1204
Pallas Capital Advisors
Massachusetts
$1.32M
NG
1205
Novem Group
New York
$1.32M
LCWP
1206
Legacy Capital Wealth Partners
Arkansas
$1.32M
AFA
1207
Allium Financial Advisors
Oregon
$1.31M
AWM
1208
Ariadne Wealth Management
California
$1.3M
ZI
1209
ZEGA Investments
Florida
$1.29M
APA
1210
Astoria Portfolio Advisors
New York
$1.28M
DA
1211
DCF Advisers
Connecticut
$1.28M
ICP
1212
Interchange Capital Partners
Pennsylvania
$1.28M
SM
1213
STF Management
Texas
$1.28M
VI
1214
Versor Investments
New York
$1.28M
IP
1215
Ignite Planners
California
$1.28M
HA
1216
Herold Advisors
New York
$1.27M
NWAG
1217
Net Worth Advisory Group
Utah
$1.27M
IA
1218
Integrity Alliance
Iowa
$1.27M
BBA
1219
Baader Bank Aktiengesellschaft
Germany
$1.25M
WFC
1220
Western Financial Corp
California
$1.25M
PGFC
1221
Peapack-Gladstone Financial Corp
New Jersey
$1.25M
HR
1222
Hardy Reed
Mississippi
$1.25M
GCM
1223
Greenland Capital Management
New York
$1.24M
EPM
1224
Elm Partners Management
Pennsylvania
$1.24M
PP
1225
PDS Planning
Ohio
$1.24M