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Lam Research

2,385 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 452 funds opening new positions, 768 increasing their positions, 896 reducing their positions, and 125 closing their positions.

New
Increased
Maintained
Reduced
Closed

262% more first-time investments, than exits

New positions opened: 452 | Existing positions closed: 125

38% more funds holding in top 10

Funds holding in top 10: 82113 (+31)

34% more capital invested

Capital invested by funds: $136B → $183B (+$46.5B)

13% more funds holding

Funds holding: 2,1062,385 (+279)

3.11% more ownership

Funds ownership: 80.78%83.89% (+3.1%)

14% less repeat investments, than reductions

Existing positions increased: 768 | Existing positions reduced: 896

29% less call options, than puts

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

Holders
2,385
Holders Change
+279
Holders Change %
+13.25%
% of All Funds
29.02%
Holding in Top 10
113
Holding in Top 10 Change
+31
Holding in Top 10 Change %
+37.8%
% of All Funds
1.38%
New
452
Increased
768
Reduced
896
Closed
125
Calls
$4.3B
Puts
$6.05B
Net Calls
-$1.75B
Net Calls Change
-$1.25B
Name Holding Trade Value Shares
Change
Change in
Stake
RIG
2101
Ramiah Investment Group
Wisconsin
$207K +$188K +1,211 New
ACM
2102
Aspen Capital Management
Idaho
$207K +$188K +1,210 New
VDC
2103
Van Diest Capital
Iowa
$207K +$188K +1,207 New
CSA
2104
Cottage Street Advisors
Massachusetts
$206K +$188K +1,206 New
GGS
2105
Galvin Gaustad & Stein
Arizona
$206K +$187K +1,205 New
MW
2106
Marrick Wealth
California
$206K +$187K +1,203 New
BWM
2107
Birchcreek Wealth Management
Ohio
$205K +$187K +1,200 New
IAA
2108
Ironsides Asset Advisors
North Carolina
$205K +$187K +1,200 New
MFS
2109
McNamara Financial Services
Massachusetts
$205K +$187K +1,200 New
TFS
2110
truNorth Financial Services
Pennsylvania
$205K +$187K +1,200 New
EFG
2111
Elevated Financial Group
Indiana
$205K +$186K +1,199 New
WP
2112
WealthPLAN Partners
Nebraska
$205K +$186K +1,196 New
MWAM
2113
Manhattan West Asset Management
California
$204K +$185K +1,192 New
FWP
2114
Family Wealth Partners
North Carolina
$203K +$185K +1,188 New
JC
2115
JM2 Capital
Oklahoma
$203K +$185K +1,188 New
MSFS
2116
Main Street Financial Solutions
Pennsylvania
$203K +$185K +1,188 New
KA
2117
Kozak & Associates
Colorado
$203K +$156 +1 +0.1%
CFG
2118
Carter Financial Group
Illinois
$202K +$184K +1,180 New
SSWM
2119
Smith Salley Wealth Management
North Carolina
$202K -$133K -855 -42%
TFA
2120
Toth Financial Advisory
Virginia
$201K +$11.7K +75 +7%
AGC
2121
Aspen Grove Capital
Colorado
$201K +$182K +1,172 New
B
2122
BetterWealth
California
$201K +$182K +1,173 New
EPIM
2123
Evelyn Partners Investment Management
$199K
TIA
2124
Tiemann Investment Advisors
California
$192K +$174K +1,120 New
CA
2125
Centerpoint Advisors
Massachusetts
$185K -$1.09K -7 -0.6%