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Lam Research

1,861 hedge funds and large institutions have $102B invested in Lam Research in 2025 Q2 according to their latest regulatory filings, with 246 funds opening new positions, 739 increasing their positions, 659 reducing their positions, and 134 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

5% more funds holding

Funds holding: 1,7771,861 (+84)

2.63% more ownership

Funds ownership: 79.68%82.31% (+2.6%)

8% less call options, than puts

Call options by funds: $2.1B | Put options by funds: $2.28B

Holders
1,861
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
48
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.1B
Puts
$2.28B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MASUI
1876
MIRAE ASSET SECURITIES (USA) INC.
New York
MFS
1877
Mirabella Financial Services
United Kingdom
TC
1878
TwinBeech Capital
New York
BCM
1879
Bayesian Capital Management
New York
NAM
1880
Nutshell Asset Management
United Kingdom
VAM
1881
Valliance Asset Management
Hong Kong
SCM
1882
Soros Capital Management
New York
NICM
1883
Neo Ivy Capital Management
New York
AIM
1884
Aigen Investment Management
New York
AFA
1885
Abacus FCF Advisors
Florida
SMH
1886
Sanders Morris Harris
Texas
Group One Trading
1887
Group One Trading
Illinois
ACM
1888
Aster Capital Management
United Arab Emirates
LCM
1889
Laurion Capital Management
New York
ROP
1890
Rule One Partners
Georgia
LSA
1891
L & S Advisors
California
USAA
1892
United Services Automobile Association
Texas
PA
1893
Paragon Advisors
Texas
GMFG
1894
Greater Midwest Financial Group
Minnesota
KI
1895
Keystone Investors
Singapore
WAM
1896
Wolverine Asset Management
Illinois
AA
1897
ABC Arbitrage
France
PP
1898
PDT Partners
New York
CAM
1899
CenterStar Asset Management
Illinois
CCB
1900
Cutter & Co Brokerage
Missouri