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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
CAM
601
Crown Advisors Management
California
$8.56M
ACM
602
Alight Capital Management
New York
$8.56M +$3.11M +20,000 +67%
TAM
603
Telemark Asset Management
Massachusetts
$8.56M +$3.89M +25,000 +100%
FFA
604
Farther Finance Advisors
California
$8.52M +$2.99M +19,254 +63%
CIA
605
Capital Investment Advisors
Georgia
$8.46M -$75.7K -487 -1%
MAM
606
Martingale Asset Management
Massachusetts
$8.42M +$6.09M +39,156 +391%
HAM
607
Harber Asset Management
North Carolina
$8.32M -$7.62M -49,006 -50%
FWP
608
FAS Wealth Partners
Kansas
$8.31M +$375K +2,411 +5%
HCS
609
Himension Capital (Singapore)
Singapore
$8.28M -$4.41M -28,329 -37%
HCA
610
Harbour Capital Advisors
Virginia
$8.09M -$179K -1,148 -3%
SCP
611
Seizert Capital Partners
Michigan
$8.08M -$4.91M -31,539 -40%
ATIA
612
American Trust Investment Advisors
New Hampshire
$8.07M +$1.87K +12 +0%
EWA
613
EP Wealth Advisors
California
$8M +$7.27M +46,722 New
AI
614
Axecap Investments
Ohio
$7.97M +$7.25M +46,588 New
MK
615
MASTERINVEST Kapitalanlage
$7.94M +$1.15M +7,377 +19%
CWM
616
Calamos Wealth Management
Illinois
$7.94M +$2.6M +16,724 +56%
SSI
617
Scott & Selber Inc
Texas
$7.86M -$257K -1,652 -3%
KeyBank National Association
618
KeyBank National Association
Ohio
$7.85M -$76.4K -491 -1%
BHWM
619
Bar Harbor Wealth Management
New Hampshire
$7.84M -$1.02M -6,585 -13%
ATC
620
Argent Trust Co
Tennessee
$7.79M -$527K -3,390 -7%
JGCM
621
Joseph Group Capital Management
Ohio
$7.79M -$268K -1,726 -4%
B
622
Bailard
California
$7.79M -$2.07M -13,285 -23%
CI
623
Cavalier Investments
Georgia
$7.78M +$7.07M +45,459 New
EF
624
Empirical Finance
Pennsylvania
$7.72M -$615K -3,957 -8%
KA
625
Kintegral Advisory
New York
$7.67M -$190K -1,224 -3%