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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
GIM
801
Groesbeck Investment Management
New Jersey
$4.31M -$8.4K -54 -0.2%
AFM
802
Aspetuck Financial Management
Connecticut
$4.3M
RFG
803
Range Financial Group
Oregon
$4.29M +$2.9M +18,649 +290%
SCM
804
Silvant Capital Management
Georgia
$4.29M -$4.93M -31,723 -56%
SHFA
805
SS&H Financial Advisors
Michigan
$4.28M -$101K -650 -3%
NIM
806
Needham Investment Management
New York
$4.28M
WTC
807
WhitTier Trust Company
Nevada
$4.28M +$19.6K +126 +0.6%
MAM
808
Meeder Asset Management
Ohio
$4.25M +$2.76M +17,758 +252%
PA
809
PFG Advisors
Arizona
$4.24M -$4.2M -26,995 -52%
BG
810
BDF Gestion
France
$4.23M -$256K -1,646 -6%
BRG
811
Bay Rivers Group
Virginia
$4.21M +$335K +2,154 +10%
GJWM
812
Gilliland Jeter Wealth Management
Arkansas
$4.21M -$301K -1,935 -7%
HT
813
Heritage Trust
Oklahoma
$4.18M +$91.1K +586 +2%
SC
814
Syon Capital
California
$4.15M +$191K +1,230 +5%
OAM
815
Ostrum Asset Management
France
$4.11M -$665K -4,276 -15%
CWM
816
Circle Wealth Management
New Jersey
$4.09M +$690K +4,435 +23%
HA
817
Harfst & Associates
Wyoming
$4.09M -$403K -2,591 -10%
MC
818
Moors & Cabot
Massachusetts
$4.07M -$89.6K -576 -2%
CSP
819
Cary Street Partners
Virginia
$4.03M -$132K -850 -3%
AWA
820
Arete Wealth Advisors
Illinois
$4.02M +$2.59M +16,624 +242%
AG
821
Ascent Group
Virginia
$4M +$231K +1,485 +7%
WA
822
Waverly Advisors
Alabama
$3.97M +$2.27M +14,597 +170%
MHIC
823
Marble Harbor Investment Counsel
Massachusetts
$3.95M -$85.5K -550 -2%
GCM
824
Gunderson Capital Management
South Carolina
$3.95M +$3.59M +23,054 New
EHWM
825
Eads & Heald Wealth Management
Georgia
$3.94M -$216K -1,390 -6%