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Lam Research

1,775 hedge funds and large institutions have $74.2B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 270 funds opening new positions, 727 increasing their positions, 541 reducing their positions, and 138 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

4% more call options, than puts

Call options by funds: $1.79B | Put options by funds: $1.72B

0.45% less ownership

Funds ownership: 80.1%79.65% (-0.45%)

0% less capital invested

Capital invested by funds: $74.6B → $74.2B (-$361M)

Holders
1,775
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.79B
Puts
$1.72B
Net Calls
Net Calls Change

Top Buyers

1 +$608M
2 +$587M
3 +$562M
4
Coatue Management
Coatue Management
New York
+$303M
5
Citadel Advisors
Citadel Advisors
Florida
+$257M

Top Sellers

1 -$1.28B
2 -$468M
3 -$271M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$260M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$234M
Name Holding Trade Value Shares
Change
Change in
Stake
TCWA
451
Turtle Creek Wealth Advisors
Texas
$5.99M
SC
452
Savoie Capital
Illinois
$5.98M
SCM
453
Sitrin Capital Management
California
$5.96M
MFS
454
Mirabella Financial Services
United Kingdom
$5.95M
CCM
455
Coldstream Capital Management
Washington
$5.92M
NGA
456
Naples Global Advisors
Florida
$5.87M
UCFA
457
United Capital Financial Advisors
Texas
$5.75M
LS
458
Livforsakringsbolaget Skandia
Sweden
$5.73M
TW
459
TritonPoint Wealth
Maryland
$5.71M
ATPW
460
Ashton Thomas Private Wealth
Arizona
$5.71M
AWS
461
Atria Wealth Solutions
New York
$5.69M
HIMCH
462
Hartford Investment Management Co (HIMCO)
Connecticut
$5.69M
TC
463
TwinBeech Capital
New York
$5.67M
GWM
464
GDS Wealth Management
Texas
$5.62M
BPA
465
Beacon Pointe Advisors
California
$5.57M
AMI
466
Amica Mutual Insurance
Rhode Island
$5.49M
SG
467
Sienna Gestion
France
$5.48M
GAAM
468
Guinness Atkinson Asset Management
California
$5.45M
FC
469
Fulcrum Capital
Washington
$5.39M
IFWM
470
Institute for Wealth Management
Colorado
$5.36M
GIBU
471
Gulf International Bank (UK)
United Kingdom
$5.35M
SI
472
Sava Infond
Slovenia
$5.31M
BCM
473
Bayesian Capital Management
New York
$5.26M
VCM
474
Voleon Capital Management
California
$5.21M
JAM
475
Jupiter Asset Management
United Kingdom
$5.2M