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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
RCMU
476
Rokos Capital Management (UK)
United Kingdom
$13.4M
FC
477
Fulcrum Capital
Washington
$13.4M
CAM
478
Carret Asset Management
New York
$13.3M
CIA
479
Concurrent Investment Advisors
Florida
$13.3M
BCIM
480
Black Creek Investment Management
Ontario, Canada
$13.3M
VHAM
481
Van Hulzen Asset Management
California
$13.3M
RAM
482
Robinhood Asset Management
California
$13.2M
MWM
483
Modera Wealth Management
New Jersey
$13.2M
KL
484
KWMG LLC
Kansas
$13.1M
UCFA
485
United Capital Financial Advisors
Texas
$13.1M
BCI
486
Brinker Capital Investments
Pennsylvania
$13.1M
RWM
487
Rench Wealth Management
Texas
$13.1M
First Manhattan
488
First Manhattan
New York
$13M
NGA
489
Naples Global Advisors
Florida
$13M
ERSOT
490
Employees Retirement System of Texas
Texas
$12.9M
SDIC
491
South Dakota Investment Council
South Dakota
$12.9M
PAG
492
Private Advisor Group
New Jersey
$12.9M
CPC
493
Cookson Peirce & Co
Pennsylvania
$12.9M
KF
494
KKM Financial
Illinois
$12.8M
LI
495
LMCG Investments
Massachusetts
$12.8M
BRWA
496
B. Riley Wealth Advisors
Florida
$12.7M
MCM
497
MAI Capital Management
Ohio
$12.7M
SSA
498
Sierra Summit Advisors
Nevada
$12.6M
SCM
499
Sitrin Capital Management
California
$12.6M
WC
500
Westerkirk Capital
$12.6M