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Lam Research

2,350 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 430 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
2,350
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
RFP
1201
Root Financial Partners
California
$1.32M
IRP
1202
Investment Research Partners
Pennsylvania
$1.32M
PCA
1203
Pallas Capital Advisors
Massachusetts
$1.32M
NG
1204
Novem Group
New York
$1.32M
LCWP
1205
Legacy Capital Wealth Partners
Arkansas
$1.32M
AFA
1206
Allium Financial Advisors
Oregon
$1.31M
AWM
1207
Ariadne Wealth Management
California
$1.3M
ZI
1208
ZEGA Investments
Florida
$1.29M
APA
1209
Astoria Portfolio Advisors
New York
$1.28M
DA
1210
DCF Advisers
Connecticut
$1.28M
ICP
1211
Interchange Capital Partners
Pennsylvania
$1.28M
SM
1212
STF Management
Texas
$1.28M
VI
1213
Versor Investments
New York
$1.28M
IP
1214
Ignite Planners
California
$1.28M
HA
1215
Herold Advisors
New York
$1.27M
NWAG
1216
Net Worth Advisory Group
Utah
$1.27M
IA
1217
Integrity Alliance
Iowa
$1.27M
BBA
1218
Baader Bank Aktiengesellschaft
Germany
$1.25M
WFC
1219
Western Financial Corp
California
$1.25M
PGFC
1220
Peapack-Gladstone Financial Corp
New Jersey
$1.25M
HR
1221
Hardy Reed
Mississippi
$1.25M
GCM
1222
Greenland Capital Management
New York
$1.24M
EPM
1223
Elm Partners Management
Pennsylvania
$1.24M
PP
1224
PDS Planning
Ohio
$1.24M
CIC
1225
Carnegie Investment Counsel
Ohio
$1.24M