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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
SIP
2451
Stoneridge Investment Partners
Pennsylvania
BMCM
2452
Burns Matteson Capital Management
New York
QC
2453
Quantessence Capital
New York
MM
2454
MQS Management
New York
RS
2455
R Squared
Hong Kong
EFI
2456
EHP Funds Inc
Canada
KWM
2457
Kingsman Wealth Management
Florida
CCIA
2458
Campbell & Co Investment Adviser
Maryland
OWM
2459
OneAscent Wealth Management
Alabama
AC
2460
AXQ Capital
New Jersey
SFB
2461
STAR Financial Bank
Indiana
CAS
2462
CTC Alternative Strategies
Illinois
EC
2463
EntryPoint Capital
New York
HIS
2464
Harvest Investment Services
Illinois
PA
2465
PharVision Advisers
Florida
CCAM
2466
Cascades Capital Asset Management
North Carolina
VBA
2467
von Borstel & Associates
Oregon
SWGC
2468
Summit Wealth Group (Colorado)
Colorado
AWF
2469
Alpha Wealth Funds
Utah
MCC
2470
Money Concepts Capital
Florida
SP
2471
SIH Partners
Delaware
FRM
2472
Fox Run Management
Connecticut
ACM
2473
Andina Capital Management
Utah
HWM
2474
Hobbs Wealth Management
Indiana
BWCS
2475
Beirne Wealth Consulting Services
Connecticut