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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
BJL
2426
Brighton Jones LLC
Washington
NP
2427
NorthRock Partners
Minnesota
IFU
2428
iSAM Funds (UK)
United Kingdom
SFCL
2429
Strengthening Families & Communities LLC
Massachusetts
GCM
2430
Graham Capital Management
Connecticut
CM
2431
Caption Management
Oklahoma
KOC
2432
Koss-Olinger Consulting
Florida
OC
2433
Optimas Capital
Hong Kong
DACS
2434
Dymon Asia Capital (Singapore)
Singapore
P
2435
Pitcairn
Pennsylvania
OTL
2436
Oak Thistle LLC
New York
OAM
2437
Oxford Asset Management
United Kingdom
EMAM
2438
Encompass More Asset Management
California
T. Rowe Price Investment Management
2439
T. Rowe Price Investment Management
Maryland
DIP
2440
Davis Investment Partners
North Carolina
TC
2441
Tairen Capital
Hong Kong
EAM
2442
Empirical Asset Management
Massachusetts
RCA
2443
Roberts Capital Advisors
Colorado
FCM
2444
Fieldview Capital Management
Michigan
I
2445
InceptionR
California
PC
2446
Panoramic Capital
California
SHGA
2447
Sand Hill Global Advisors
California
SCM
2448
Semanteon Capital Management
Massachusetts
LCM
2449
LVM Capital Management
Michigan
N
2450
Numerai
California