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Lam Research

2,350 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 430 funds opening new positions, 763 increasing their positions, 890 reducing their positions, and 122 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:

3.54% more ownership

Funds ownership: 80.68%84.23% (+3.5%)

14% less repeat investments, than reductions

Existing positions increased: 763 | Existing positions reduced: 890

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.04B

Holders
2,350
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
$6.04B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Parallax Volatility Advisers
1326
Parallax Volatility Advisers
California
$945K
PGCM
1327
Prescott Group Capital Management
Oklahoma
$944K
GKFF
1328
George Kaiser Family Foundation
Oklahoma
$944K
CCFM
1329
Clear Creek Financial Management
Washington
$943K
PFT
1330
Providence First Trust
Arizona
$943K
BG
1331
Bahl & Gaynor
Ohio
$941K
PPA
1332
Pacific Point Advisors
California
$941K
JTWM
1333
Jackson Thornton Wealth Management
Alabama
$935K
CCM
1334
Copeland Capital Management
Pennsylvania
$931K
DWP
1335
Daymark Wealth Partners
Ohio
$928K
ARG
1336
Advisory Resource Group
Oklahoma
$926K
WC
1337
Waterloo Capital
Texas
$914K
KWA
1338
Kingswood Wealth Advisors
California
$909K
PIA
1339
Prakash Investment Advisors
Massachusetts
$907K
AHL
1340
Abel Hall LLC
Louisiana
$903K
CPW
1341
Crestmont Private Wealth
Texas
$903K
CCC
1342
Chesapeake Capital Corp
Florida
$900K
BWM
1343
BankPlus Wealth Management
Mississippi
$899K
VCP
1344
Verus Capital Partners
Arizona
$894K
SW
1345
SkyOak Wealth
Michigan
$894K
DTL
1346
Dynamic Technology Lab
Singapore
$894K
BW
1347
BIP Wealth
Georgia
$892K
KAM
1348
Karani Asset Management
New York
$890K
TPWA
1349
TRUE Private Wealth Advisors
Oregon
$884K
EB
1350
Eastern Bank
Massachusetts
$883K