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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
SAM
676
Synergy Asset Management
Washington
$6.7M -$9.71M -62,445 -61%
MMG
677
Monetary Management Group
Missouri
$6.7M -$446K -2,865 -7%
Bessemer Group
678
Bessemer Group
New Jersey
$6.62M +$1.39M +8,912 +30%
GWM
679
Glass Wealth Management
Texas
$6.61M +$656K +4,215 +12%
CAI
680
Capital Advisors Inc
Oklahoma
$6.58M +$1.31M +8,398 +28%
BFG
681
Bleakley Financial Group
New Jersey
$6.45M +$528K +3,396 +10%
LIP
682
Liontrust Investment Partners
United Kingdom
$6.43M -$5.68M -36,517 -49%
MG
683
Mather Group
Illinois
$6.39M -$774K -4,978 -12%
Brown Advisory
684
Brown Advisory
Maryland
$6.23M +$254K +1,634 +5%
GIM
685
Generali Investments Management
Slovenia
$6.21M +$2.16M +13,878 +62%
GWMR
686
GC Wealth Management RIA
Massachusetts
$6.2M -$2.71M -17,427 -32%
Simplex Trading
687
Simplex Trading
Illinois
$6.12M +$5.56M +35,760 New
CFO
688
Callan Family Office
Pennsylvania
$6.1M +$1.67M +10,718 +43%
HCM
689
Howard Capital Management
Georgia
$6.06M +$127K +814 +2%
MCM
690
Mill Capital Management
North Carolina
$6.02M +$23.3K +150 +0.4%
MIM
691
Morningstar Investment Management
Illinois
$6.01M -$1.44M -9,245 -21%
TIAA Trust, National Association
692
TIAA Trust, National Association
North Carolina
$5.98M +$190K +1,220 +4%
CCG
693
Cypress Capital Group
Florida
$5.98M +$315K +2,026 +6%
DT
694
Diversified Trust
Tennessee
$5.98M +$465K +2,990 +9%
NA
695
Navellier & Associates
Nevada
$5.92M
PGAM
696
Princeton Global Asset Management
New Jersey
$5.89M +$78.1K +502 +1%
CL
697
Choreo LLC
Illinois
$5.85M
FAN
698
Financial Advisors Network
California
$5.85M -$238K -1,531 -4%
SAM
699
Securian Asset Management
Minnesota
$5.85M -$4.19M -26,968 -44%
TE
700
Tema ETFs
New York
$5.84M -$304K -1,956 -5%