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Lam Research

2,075 hedge funds and large institutions have $136B invested in Lam Research in 2025 Q3 according to their latest regulatory filings, with 346 funds opening new positions, 753 increasing their positions, 719 reducing their positions, and 93 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% more repeat investments, than reductions

Existing positions increased: 753 | Existing positions reduced: 719

1.79% less ownership

Funds ownership: 82.31%80.53% (-1.8%)

16% less call options, than puts

Call options by funds: $2.73B | Put options by funds: $3.24B

Holders
2,075
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
80
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.73B
Puts
$3.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SLG
501
Stanley-Laman Group
Pennsylvania
$8.79M
GIBU
502
Gulf International Bank (UK)
United Kingdom
$8.68M
BFM
503
Boothbay Fund Management
New York
$8.66M
MCB
504
Morton Community Bank
Illinois
$8.65M
MCM
505
Maytus Capital Management
New York
$8.57M
AMI
506
Amica Mutual Insurance
Rhode Island
$8.56M
MSRPS
507
Maryland State Retirement & Pension System
Maryland
$8.54M
SGA
508
Strategic Global Advisors
California
$8.51M
PAG
509
Private Advisor Group
New Jersey
$8.5M
JFGIW
510
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$8.42M
CDDEC
511
Caisse Des Depots Et Consignations
France
$8.38M
TRCT
512
Tower Research Capital (TRC)
New York
$8.33M
MS
513
Marshall & Sullivan
Washington
$8.32M
SIA
514
Soltis Investment Advisors
Utah
$8.23M
EAM
515
EFG Asset Management
Oregon
$8.2M
ZDA
516
Zweig-DiMenna Associates
New York
$8.2M
SAM
517
Securian Asset Management
Minnesota
$8.18M
SFI
518
Siemens Fonds Invest
Germany
$8.16M
MIM
519
Marco Investment Management
Georgia
$8.07M
UB
520
UMB Bank
Missouri
$8.05M
VNA
521
Valley National Advisers
Pennsylvania
$8.04M
HA
522
Heartland Advisors
Wisconsin
$8.02M
AI
523
Atria Investments
North Carolina
$7.92M
MIC
524
Means Investment Company
Maine
$7.91M
FSA
525
Fort Sheridan Advisors
Illinois
$7.88M