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Lam Research

2,336 hedge funds and large institutions have $182B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 419 funds opening new positions, 761 increasing their positions, 889 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:

3.15% more ownership

Funds ownership: 80.68%83.83% (+3.1%)

14% less repeat investments, than reductions

Existing positions increased: 761 | Existing positions reduced: 889

29% less call options, than puts

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

Holders
2,336
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
KFI
2101
Key Financial Inc
Pennsylvania
$147K
ME
2102
McIlrath & Eck
Washington
$147K
SAS
2103
Stelac Advisory Services
New York
$146K
SFS
2104
Sunrise Financial Services
Washington
$146K
SAM
2105
S.A. Mason
Michigan
$145K
KBFS
2106
Kohmann Bosshard Financial Services
Ohio
$144K
AF
2107
Alerus Financial
North Dakota
$142K
SA
2108
Strategic Advocates
Utah
$142K
RTC
2109
Riverview Trust Company
Washington
$137K
AEPWM
2110
Atlantic Edge Private Wealth Management
Florida
$137K
OCM
2111
Osterweis Capital Management
California
$136K
PWA
2112
Physician Wealth Advisors
Utah
$131K
PCTC
2113
Perkins Coie Trust Company
Washington
$128K
FUBT
2114
First United Bank & Trust
Maryland
$128K
BAM
2115
Byrne Asset Management
New Jersey
$125K
TWD
2116
True Wealth Design
Ohio
$123K
IRAG
2117
Investment Research & Advisory Group
Georgia
$121K
LAMC
2118
Longview Asset Management (California)
California
$120K
SPF
2119
South Plains Financial
Texas
$119K
PWA
2120
Principia Wealth Advisory
Texas
$117K
PB
2121
Prosperity Bancshares
Texas
$114K
DAM
2122
Delta Asset Management
Tennessee
$111K
WTA
2123
Washington Trust Advisors
Massachusetts
$111K
SR
2124
Swiss Re
Switzerland
$111K
KFP
2125
Kerr Financial Planning
California
$110K