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Lam Research

2,350 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 430 funds opening new positions, 763 increasing their positions, 890 reducing their positions, and 122 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:

3.54% more ownership

Funds ownership: 80.68%84.23% (+3.5%)

14% less repeat investments, than reductions

Existing positions increased: 763 | Existing positions reduced: 890

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.04B

Holders
2,350
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
113
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.3B
Puts
$6.04B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SLG
526
Stanley-Laman Group
Pennsylvania
$11.2M
BDLIB
527
Banque de Luxembourg Investments (BLI)
Luxembourg
$11.1M
GIBU
528
Gulf International Bank (UK)
United Kingdom
$11.1M
AMI
529
Amica Mutual Insurance
Rhode Island
$10.9M
NG
530
Norden Group
Utah
$10.7M
MSRPS
531
Maryland State Retirement & Pension System
Maryland
$10.7M
FMI
532
F/M Investments
District of Columbia
$10.7M
SGA
533
Strategic Global Advisors
California
$10.6M
BPA
534
Beacon Pointe Advisors
California
$10.6M
GLF
535
Groupe la Francaise
France
$10.6M
VVP
536
Venture Visionary Partners
Ohio
$10.6M
SFA
537
Sequoia Financial Advisors
Ohio
$10.5M
CG
538
Caprock Group
Idaho
$10.4M
VT
539
Vise Technologies
New York
$10.4M
PFS
540
Prospera Financial Services
Texas
$10.4M
VA
541
VestGen Advisors
Illinois
$10.4M
VNA
542
Valley National Advisers
Pennsylvania
$10.3M
PS
543
Principal Securities
Iowa
$10.3M
Optiver Holding
544
Optiver Holding
Netherlands
$10.3M
LNWTC
545
Laird Norton Wetherby Trust Company
Washington
$10.3M
MIM
546
Marco Investment Management
Georgia
$10.2M
MCM
547
Moore Capital Management
New York
$10.2M
NAM
548
NorthCrest Asset Manangement
Minnesota
$10.1M
FSA
549
Fort Sheridan Advisors
Illinois
$10.1M
UB
550
UMB Bank
Missouri
$10M