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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
CAL
2351
Capital Analysts LLC
Pennsylvania
$6K
CMA
2352
Cedar Mountain Advisors
Oregon
$5.99K
CWM
2353
Copia Wealth Management
Oregon
$5.31K
HDIM
2354
Hanson & Doremus Investment Management
Vermont
$5K
HIA
2355
HFM Investment Advisors
New Jersey
$4.96K
FC
2356
Fairscale Capital
New Hampshire
$4.8K
QWM
2357
Quaker Wealth Management
New Jersey
$4.79K
PS
2358
PayPay Securities
Japan
$4.79K
TCM
2359
TD Capital Management
Tennessee
$4.33K
WA
2360
WestEnd Advisors
North Carolina
$3.6K
QL
2361
Quarry LP
New York
$3.42K
MA
2362
Modus Advisors
Minnesota
$3.42K
UFPG
2363
United Financial Planning Group
New York
$3.25K
QA
2364
Quattro Advisors
Pennsylvania
$2.99K
SA
2365
Seneschal Advisors
Washington
$2.91K
GWS
2366
Greykasell Wealth Strategies
California
$2.85K
RWM
2367
RMG Wealth Management
Wisconsin
$2.23K
SHIM
2368
Stone House Investment Management
Pennsylvania
$2.23K
DCM
2369
Davis Capital Management
Florida
$1.88K
BCH
2370
Berkshire Capital Holdings
California
$1.71K
DF
2371
DecisionPoint Financial
Arizona
$1.71K
DFA
2372
DHJJ Financial Advisors
Illinois
$1.71K
AIM
2373
Arcadia Investment Management
Michigan
$1.71K
TC
2374
Trust Company
Kansas
$1.54K
P
2375
Palladiem
Pennsylvania
$1.2K