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Lam Research
LRCX

Overview Fund Activity

1,844 hedge funds and large institutions have $102B invested in Lam Research in 2025 Q2 according to their latest regulatory filings, with 239 funds opening new positions, 735 increasing their positions, 655 reducing their positions, and 131 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,844
Holders Change
+71
Holders Change %
+4%
% of All Funds
24.73%
Holding in Top 10
47
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+51.61%
% of All Funds
0.63%
New
239
Increased
735
Reduced
655
Closed
131
Calls
$2.1B
Puts
$2.28B
Net Calls
-$183M
Net Calls Change
-$254M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$3.95B
2
Goldman Sachs
Goldman Sachs
New York
$1.35B
3
Nordea Investment Management
Nordea Investment Management
Sweden
$1.03B
4
Artisan Partners
Artisan Partners
Wisconsin
$959M
5
VOYA Investment Management
VOYA Investment Management
Georgia
$291M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$2.5B
2
Ameriprise
Ameriprise
Minnesota
$2.96B
3
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$70.4M
4
BNP Paribas Asset Management
BNP Paribas Asset Management
France
$183M
5
Wellington Management Group
Wellington Management Group
Massachusetts
$44.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
MC
1851
Maplelane Capital
New York
– -$27M -371,000 Closed
Tudor Investment Corp
1852
Tudor Investment Corp
Connecticut
– -$22.1M -304,505 Closed
CFC
1853
Cincinnati Financial Corp
Ohio
– -$20.2M -277,240 Closed
QC
1854
Quadrature Capital
United Kingdom
– -$15.4M -211,646 Closed
Hudson Bay Capital Management
1855
Hudson Bay Capital Management
Connecticut
– -$12.6M -173,648 Closed
DIG
1856
DeepCurrents Investment Group
New York
– -$12.2M -167,361 Closed
PI
1857
PGGM Investments
Netherlands
– -$9.31M -128,114 Closed
FCI
1858
Financial Counselors Inc
Kansas
– -$8.65M -118,973 Closed
MASUI
1859
MIRAE ASSET SECURITIES (USA) INC.
New York
– -$7.29M -100,252 Closed
TC
1860
TwinBeech Capital
New York
– -$5.67M -77,959 Closed
BCM
1861
Bayesian Capital Management
New York
– -$5.26M -72,348 Closed
NAM
1862
Nutshell Asset Management
United Kingdom
– -$4.07M -56,000 Closed
VAM
1863
Valliance Asset Management
Hong Kong
– -$3.64M -50,000 Closed
SCM
1864
Soros Capital Management
New York
– -$3.44M -47,314 Closed
NICM
1865
Neo Ivy Capital Management
New York
– -$3.39M -46,592 Closed
AIM
1866
Aigen Investment Management
New York
– -$3.31M -45,492 Closed
AFA
1867
Abacus FCF Advisors
Florida
– -$3.1M -42,615 Closed
SMH
1868
Sanders Morris Harris
Texas
– -$3.09M -42,420 Closed
Group One Trading
1869
Group One Trading
Illinois
– -$3.04M -41,747 Closed
MFS
1870
Mirabella Financial Services
United Kingdom
– -$2.97M -40,827 Closed
ACM
1871
Aster Capital Management
United Arab Emirates
– -$3.07M -39,953 Closed
LCM
1872
Laurion Capital Management
New York
– -$2.43M -33,419 Closed
ROP
1873
Rule One Partners
Georgia
– -$2.33M -32,000 Closed
LSA
1874
L & S Advisors
California
– -$2.3M -31,704 Closed
USAA
1875
United Services Automobile Association
Texas
– -$2.19M -30,155 Closed
73 74
75
76 77