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Lam Research

2,379 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 447 funds opening new positions, 767 increasing their positions, 896 reducing their positions, and 125 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:

3.16% more ownership

Funds ownership: 80.71%83.87% (+3.2%)

14% less repeat investments, than reductions

Existing positions increased: 767 | Existing positions reduced: 896

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.05B

Holders
2,379
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
$6.05B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PAS
2401
Park Avenue Securities
New York
MCM
2402
Maytus Capital Management
New York
NSEDCP
2403
NJ State Employees Deferred Compensation Plan
New Jersey
Twin Tree Management
2404
Twin Tree Management
Texas
AAMU
2405
APG Asset Management US
New York
SMH
2406
Sanders Morris Harris
Texas
PIM
2407
Peregrine Investment Management
Ontario, Canada
MIC
2408
Mubadala Investment Company
United Arab Emirates
LOAME
2409
Lombard Odier Asset Management (Europe)
United Kingdom
O
2410
Ossiam
France
VT
2411
Volterra Technologies
New York
MMC
2412
Mizuho Markets Cayman
Cayman Islands
MIH
2413
Meitav Investment House
Israel
CPRC
2414
Consolidated Portfolio Review Corp
New York
RCA
2415
Runnymede Capital Advisors
Ohio
AIM
2416
Aigen Investment Management
New York
WG
2417
Winton Group
United Kingdom
WI
2418
WBI Investments
New Jersey
PAA
2419
Peregrine Asset Advisers
Oregon
BJL
2420
Brighton Jones LLC
Washington
NP
2421
NorthRock Partners
Minnesota
IFU
2422
iSAM Funds (UK)
United Kingdom
SFCL
2423
Strengthening Families & Communities LLC
Massachusetts
GCM
2424
Graham Capital Management
Connecticut
CM
2425
Caption Management
Oklahoma