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Lam Research
LRCX

Overview Fund Activity

1,773 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, 726 increasing their positions, 542 reducing their positions, and 138 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,773
Holders Change
+103
Holders Change %
+6.17%
% of All Funds
24.08%
Holding in Top 10
31
Holding in Top 10 Change
+8
Holding in Top 10 Change %
+34.78%
% of All Funds
0.42%
New
269
Increased
726
Reduced
542
Closed
138
Calls
$1.79B
Puts
$1.72B
Net Calls
+$71.5M
Net Calls Change
+$633M

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
+$608M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$587M
3
Nordea Investment Management
Nordea Investment Management
Sweden
+$562M
4
Coatue Management
Coatue Management
New York
+$303M
5
Citadel Advisors
Citadel Advisors
Florida
+$257M

Top Sellers

1
Fisher Asset Management
Fisher Asset Management
Washington
-$1.28B
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$468M
3
Two Sigma Advisers
Two Sigma Advisers
New York
-$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 		Shares
Change %
CSA
751
Cornerstone Select Advisors
Missouri
$1.75M +$37.9K +522 +2%
CSP
752
Cary Street Partners
Virginia
$1.74M -$46.9K -645 -3%
Wolverine Trading
753
Wolverine Trading
Illinois
$1.72M +$870K +11,980 +102%
MAM
754
Morse Asset Management
Connecticut
$1.71M +$167K +2,300 +11%
MFS
755
Mattson Financial Services
Michigan
$1.71M +$1.57M +21,603 +1,099%
HT
756
Heritage Trust
Oklahoma
$1.71M -$325K -4,467 -16%
IWM
757
IHT Wealth Management
Illinois
$1.71M +$5.31K +73 +0.3%
MHIC
758
Marble Harbor Investment Counsel
Massachusetts
$1.7M -$43.6K -600 -3%
DT
759
Diversified Trust
Tennessee
$1.7M +$1.43M +19,613 +524%
WAM
760
Wolverine Asset Management
Illinois
$1.7M +$1.25M +17,230 +282%
EHWM
761
Eads & Heald Wealth Management
Georgia
$1.7M +$139K +1,907 +9%
NWM
762
NRI Wealth Management
California
$1.69M +$175K +2,412 +12%
MAM
763
MWA Asset Management
Massachusetts
$1.69M +$399K +5,484 +31%
C
764
Certuity
Florida
$1.68M +$185K +2,537 +12%
CRI
765
Commonwealth Retirement Investments
Virginia
$1.66M +$65.2K +897 +4%
MFG
766
Magnus Financial Group
New York
$1.65M +$73 +1 +0%
OC
767
Oppenheimer & Co
New York
$1.65M +$104K +1,432 +7%
RCA
768
Runnymede Capital Advisors
Ohio
$1.65M – – –
MSA
769
MUFG Securities Americas
New York
$1.65M +$271K +3,728 +20%
JF
770
Jump Financial
Illinois
$1.65M -$2.14M -29,457 -57%
PM
771
Phraction Management
Connecticut
$1.64M +$672K +9,240 +69%
CTC
772
Central Trust Company
Missouri
$1.64M -$24.4K -335 -1%
IWA
773
Icon Wealth Advisors
Texas
$1.63M -$81.4K -1,120 -5%
SAM
774
Smartleaf Asset Management
Massachusetts
$1.63M +$318K +4,376 +24%
GWSG
775
GPS Wealth Strategies Group
Colorado
$1.62M -$35.3K -486 -2%
29 30
31
32 33