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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 123 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
CIA
1026
Choate Investment Advisors
Massachusetts
$2.23M
MCP
1027
Mirador Capital Partners
California
$2.22M
MYIA
1028
Mount Yale Investment Advisors
Colorado
$2.2M
TAP
1029
Tounjian Advisory Partners
Florida
$2.2M
RIG
1030
RiverFront Investment Group
Virginia
$2.19M
MAMA
1031
Myriad Asset Management Advisors
Florida
$2.18M
HCM
1032
Hollencrest Capital Management
California
$2.18M
RIA
1033
Regal Investment Advisors
Michigan
$2.16M
MHC
1034
May Hill Capital
Massachusetts
$2.16M
IAN
1035
Integrated Advisors Network
Texas
$2.16M
PWA
1036
Portus Wealth Advisors
North Carolina
$2.14M
FWIA
1037
Fort Washington Investment Advisors
Ohio
$2.13M
DO
1038
denkapparat Operations
Germany
$2.11M
SMA
1039
Sage Mountain Advisors
Georgia
$2.1M
VAS
1040
Vestmark Advisory Solutions
Massachusetts
$2.1M
DSA
1041
Davis Selected Advisers
Arizona
$2.1M
GVAG
1042
Great Valley Advisor Group
Delaware
$2.1M
VIA
1043
Virtus Investment Advisers
Connecticut
$2.1M
VEA
1044
Virtus ETF Advisers
New York
$2.1M
KIM
1045
Kestra Investment Management
Texas
$2.1M
AWC
1046
Abundance Wealth Counselors
Pennsylvania
$2.09M
CI
1047
Cigna Investments
Connecticut
$2.08M
AIM
1048
Advyzon Investment Management
Illinois
$2.08M
HA
1049
Huntleigh Advisors
Missouri
$2.08M
LAM
1050
LOM Asset Management
$2.08M