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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
WCM
1701
Westend Capital Management
California
$8.72K
DPW
1702
DiNuzzo Private Wealth
Pennsylvania
$8.65K
AS
1703
Altshuler Shaham
Israel
$8.65K
UCB
1704
United Community Bank
South Carolina
$8K
GP
1705
Greenline Partners
New York
$8K
WA
1706
WPG Advisers
Maryland
$7.92K
MSWA
1707
Marshall & Sterling Wealth Advisors
New York
$7.85K
CFS
1708
CGC Financial Services
Oregon
$7.42K
HFM
1709
Hartford Financial Management
Connecticut
$7.34K
PBK
1710
Peoples Bank (Kansas)
Kansas
$7.27K
JGIA
1711
Jackson Grant Investment Advisers
Connecticut
$7.27K
WPA
1712
Wealth Preservation Advisors
Tennessee
$6.98K
RCM
1713
Richardson Capital Management
Wisconsin
$6.56K
RTL
1714
Red Tortoise LLC
Georgia
$6.54K
PSB
1715
Piscataqua Savings Bank
New Hampshire
$6.54K
OW
1716
Olistico Wealth
Oklahoma
$6.54K
DWM
1717
Dogwood Wealth Management
Kansas
$5.9K
AIM
1718
Arcadia Investment Management
Michigan
$5.82K
BA
1719
Bellwether Advisors
Nebraska
$5.09K
CA
1720
Crewe Advisors
Utah
$5.09K
SC
1721
Solstein Capital
California
$5.09K
NWMP
1722
Noble Wealth Management PBC
Colorado
$5.09K
MWM
1723
MorganRosel Wealth Management
Colorado
$5.09K
AW
1724
Avion Wealth
Texas
$5K
CW
1725
Cooksen Wealth
Texas
$4.86K