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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
SCM
501
Sitrin Capital Management
California
$12.6M -$14.6K -94 -0.1%
WC
502
Westerkirk Capital
$12.6M +$4.7M +30,200 +70%
PAI
503
Pittenger & Anderson Inc
Nebraska
$12.5M -$333K -2,141 -3%
SI
504
Sava Infond
Slovenia
$12.5M -$1.07M -6,900 -9%
IFWM
505
Institute for Wealth Management
Colorado
$12.4M -$121K -775 -1%
HIMCH
506
Hartford Investment Management Co (HIMCO)
Connecticut
$12.4M -$249K -1,602 -2%
JSSH
507
J. Safra Sarasin Holding
$12.4M +$7.75M +49,851 +220%
CM
508
Cercano Management
Washington
$12.4M +$9.92M +63,800 +745%
TW
509
TritonPoint Wealth
Maryland
$12.4M -$509K -3,273 -4%
MR
510
Munich Reinsurance
$12.3M -$19.5M -125,223 -64%
MCB
511
Morton Community Bank
Illinois
$12.3M -$380K -2,443 -4%
HWAM
512
Hennion & Walsh Asset Management
New Jersey
$12.2M +$583K +3,750 +6%
CS
513
Clear Street
New York
$12.1M +$7.9M +50,782 +253%
EI
514
EFG International
$12.1M +$11M +70,779 New
BSL
515
Blue Sparrow LLC
Delaware
$12.1M +$10.9M +70,400 New
JG
516
Jain Global
New York
$11.9M -$13.4M -86,435 -55%
Luther King Capital Management (LKCM)
517
Luther King Capital Management (LKCM)
Texas
$11.7M -$4.75M -30,518 -31%
TWC
518
TD Waterhouse Canada
Ontario, Canada
$11.7M +$6.31M +40,545 +146%
LOAMS
519
Lombard Odier Asset Management (Switzerland)
Switzerland
$11.7M +$6.82M +43,828 +179%
WT
520
Whittier Trust
California
$11.7M -$619K -3,981 -7%
EWM
521
Empirical Wealth Management
Washington
$11.6M -$276K -1,773 -3%
ESC
522
Eurizon SLJ Capital
$11.5M +$10.5M +67,386 New
PAS
523
Professional Advisory Services
Florida
$11.5M -$853K -5,486 -8%
WHG
524
Westwood Holdings Group
Texas
$11.4M +$10.3M +66,491 New
MFG
525
Merit Financial Group
Georgia
$11.4M +$4.08M +26,262 +65%