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Lam Research

2,385 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 452 funds opening new positions, 768 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:

3.11% more ownership

Funds ownership: 80.78%83.89% (+3.1%)

14% less repeat investments, than reductions

Existing positions increased: 768 | Existing positions reduced: 896

29% less call options, than puts

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

Holders
2,385
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
GH
2401
GAM Holding
Switzerland
SC
2402
SummitTX Capital
Texas
EPFB
2403
Employees Provident Fund Board
Malaysia
OQS
2404
Occudo Quantitative Strategies
Florida
BHCM
2405
Brevan Howard Capital Management
Jersey
CAU
2406
Caxton Associates (UK)
PAS
2407
Park Avenue Securities
New York
MCM
2408
Maytus Capital Management
New York
NSEDCP
2409
NJ State Employees Deferred Compensation Plan
New Jersey
Twin Tree Management
2410
Twin Tree Management
Texas
AAMU
2411
APG Asset Management US
New York
SMH
2412
Sanders Morris Harris
Texas
PIM
2413
Peregrine Investment Management
Ontario, Canada
MIC
2414
Mubadala Investment Company
United Arab Emirates
LOAME
2415
Lombard Odier Asset Management (Europe)
United Kingdom
O
2416
Ossiam
France
VT
2417
Volterra Technologies
New York
MMC
2418
Mizuho Markets Cayman
Cayman Islands
MIH
2419
Meitav Investment House
Israel
CPRC
2420
Consolidated Portfolio Review Corp
New York
RCA
2421
Runnymede Capital Advisors
Ohio
AIM
2422
Aigen Investment Management
New York
WG
2423
Winton Group
United Kingdom
WI
2424
WBI Investments
New Jersey
PAA
2425
Peregrine Asset Advisers
Oregon