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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
1601
AllSquare Wealth Management
New York
$55.5K
PB
1602
Pinnacle Bancorp
Nebraska
$54.5K
MHR
1603
Matthew Hamilton Rosenberg
$54.5K
ME
1604
McIlrath & Eck
Washington
$51.8K
LAMC
1605
Longview Asset Management (California)
California
$50.9K
HWP
1606
Highline Wealth Partners
California
$49.7K
RMP
1607
Richards, Merrill & Peterson
Washington
$49.4K
FUBT
1608
First United Bank & Trust
Maryland
$49.4K
IRAG
1609
Investment Research & Advisory Group
Georgia
$49.1K
BC
1610
Barrett & Company
Rhode Island
$48.6K
FAM
1611
Flaharty Asset Management
Florida
$46.8K
FFL
1612
Financial Freedom LLC
Ohio
$46.2K
Loomis, Sayles & Company
1613
Loomis, Sayles & Company
Massachusetts
$46K
RWS
1614
Retirement Wealth Solutions
Wisconsin
$45.5K
EFMH
1615
E Fund Management (HK)
Hong Kong
$45K
OWA
1616
Opal Wealth Advisors
New York
$44.6K
CNBTD
1617
Citizens National Bank Trust Department
Mississippi
$43.8K
SIC
1618
SJS Investment Consulting
Ohio
$43.8K
FFO
1619
Fortitude Family Office
Arizona
$43.5K
CCM
1620
Cloud Capital Management
Washington
$43K
LWCFA
1621
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$41.4K
MEG
1622
Millstone Evans Group
Colorado
$40.7K
Q1WB
1623
Quest 10 Wealth Builders
Virginia
$40.6K
CWM
1624
Cranbrook Wealth Management
Michigan
$40K
RF
1625
Roxbury Financial
New Jersey
$39.9K