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Lam Research

2,083 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, 755 increasing their positions, 723 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:

4% more repeat investments, than reductions

Existing positions increased: 755 | Existing positions reduced: 723

1.89% less ownership

Funds ownership: 82.43%80.54% (-1.9%)

16% less call options, than puts

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

Holders
2,083
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
WT
501
Whittier Trust
California
$8.81M
SLG
502
Stanley-Laman Group
Pennsylvania
$8.79M
GIBU
503
Gulf International Bank (UK)
United Kingdom
$8.68M
BFM
504
Boothbay Fund Management
New York
$8.66M
MCB
505
Morton Community Bank
Illinois
$8.65M
MCM
506
Maytus Capital Management
New York
$8.57M
AMI
507
Amica Mutual Insurance
Rhode Island
$8.56M
MSRPS
508
Maryland State Retirement & Pension System
Maryland
$8.54M
SGA
509
Strategic Global Advisors
California
$8.51M
PAG
510
Private Advisor Group
New Jersey
$8.5M
JFGIW
511
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$8.42M
CDDEC
512
Caisse Des Depots Et Consignations
France
$8.38M
TRCT
513
Tower Research Capital (TRC)
New York
$8.33M
MS
514
Marshall & Sullivan
Washington
$8.32M
SIA
515
Soltis Investment Advisors
Utah
$8.23M
EAM
516
EFG Asset Management
Oregon
$8.2M
ZDA
517
Zweig-DiMenna Associates
New York
$8.2M
SAM
518
Securian Asset Management
Minnesota
$8.18M
SFI
519
Siemens Fonds Invest
Germany
$8.16M
MIM
520
Marco Investment Management
Georgia
$8.07M
UB
521
UMB Bank
Missouri
$8.05M
VNA
522
Valley National Advisers
Pennsylvania
$8.04M
HA
523
Heartland Advisors
Wisconsin
$8.02M
AI
524
Atria Investments
North Carolina
$7.92M
MIC
525
Means Investment Company
Maine
$7.91M