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Lam Research

2,610 hedge funds and large institutions have $215B invested in Lam Research in 2026 Q1 according to their latest regulatory filings, with 393 funds opening new positions, 888 increasing their positions, 1,062 reducing their positions, and 105 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

5% less call options, than puts

Call options by funds: $4.46B | Put options by funds: $4.68B

3.41% less ownership

Funds ownership: 84.35%80.94% (-3.4%)

16% less repeat investments, than reductions

Existing positions increased: 888 | Existing positions reduced: 1,062

Holders
2,610
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
139
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.46B
Puts
$4.68B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AI
526
Atria Investments
North Carolina
$13.8M
CA
527
Cullinan Associates
Kentucky
$13.8M
LNWTC
528
Laird Norton Wetherby Trust Company
Washington
$13.7M
AMI
529
Amica Mutual Insurance
Rhode Island
$13.7M
P
530
Paradiem
Louisiana
$13.5M
MA
531
McBroom & Associates
Nevada
$13.5M
WHG
532
Westwood Holdings Group
Texas
$13.5M
MSRPS
533
Maryland State Retirement & Pension System
Maryland
$13.5M
CG
534
Caprock Group
Idaho
$13.4M
MB
535
MidFirst Bank
Oklahoma
$13.4M
First Manhattan
536
First Manhattan
New York
$13.3M
TCBWMS
537
Texas Capital Bank Wealth Management Services
Texas
$13.3M
FC
538
FORA Capital
Florida
$13.3M
SI
539
Sava Infond
Slovenia
$13.2M
AFA
540
Abacus FCF Advisors
Florida
$13M
CUAMC
541
China Universal Asset Management Company
China
$13M
LA
542
LBP AM
France
$13M
SGA
543
Strategic Global Advisors
California
$13M
VNA
544
Valley National Advisers
Pennsylvania
$12.9M
KF
545
KKM Financial
Illinois
$12.8M
BHCM
546
Brevan Howard Capital Management
Jersey
$12.8M
VC
547
Vestor Capital
Illinois
$12.8M
ABTD
548
Arvest Bank Trust Division
Oklahoma
$12.8M
MCM
549
Marsico Capital Management
Colorado
$12.7M
FMI
550
Factory Mutual Insurance
Massachusetts
$12.7M