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Lam Research

1,774 hedge funds and large institutions have $74.2B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 269 funds opening new positions, 727 increasing their positions, 541 reducing their positions, and 138 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

4% more call options, than puts

Call options by funds: $1.79B | Put options by funds: $1.72B

0.45% less ownership

Funds ownership: 80.1%79.65% (-0.45%)

0% less capital invested

Capital invested by funds: $74.6B → $74.2B (-$363M)

Holders
1,774
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.79B
Puts
$1.72B
Net Calls
Net Calls Change

Top Buyers

1 +$608M
2 +$587M
3 +$562M
4
Coatue Management
Coatue Management
New York
+$303M
5
Citadel Advisors
Citadel Advisors
Florida
+$257M

Top Sellers

1 -$1.28B
2 -$468M
3 -$271M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$260M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$234M
Name Holding Trade Value Shares
Change
Change in
Stake
AWM
1876
Avior Wealth Management
Nebraska
EFP
1877
EnRich Financial Partners
Wisconsin
MB
1878
Mizuho Bank
Japan
FA
1879
Fedenia Advisers
Wisconsin
MA
1880
Modus Advisors
Minnesota
KBFS
1881
Kohmann Bosshard Financial Services
Ohio
FWM
1882
FSA Wealth Management
Massachusetts
JSAM
1883
J. Safra Asset Management
New York
NWWA
1884
New Wave Wealth Advisors
Arkansas
EBA
1885
Eagle Bay Advisors
New York
LC
1886
Lavaca Capital
Texas
EFG
1887
Ethos Financial Group
Pennsylvania
MFA
1888
McClarren Financial Advisors
Pennsylvania
OC
1889
Oarsman Capital
Wisconsin
BC
1890
Belmont Capital
California
JAG
1891
Journey Advisory Group
Kentucky
WWA
1892
Wingate Wealth Advisors
Massachusetts
SSG
1893
Summit Securities Group
New York
FWA
1894
FSC Wealth Advisors
New York
PCWA
1895
Pacific Capital Wealth Advisors
California
LDB
1896
Lee, Danner & Bass
Tennessee
DRP
1897
Decker Retirement Planning
Utah
ORAM
1898
One River Asset Management
Connecticut
LB
1899
Legacy Bridge
Iowa
FWM
1900
FLP Wealth Management
Arkansas