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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
MA
1401
MONECO Advisors
Connecticut
$254K
HCP
1402
Hexagon Capital Partners
Arkansas
$254K
CFA
1403
Capstone Financial Advisors
Illinois
$253K
PIA
1404
Powell Investment Advisors
Florida
$252K
CWG
1405
Cornerstone Wealth Group
North Carolina
$252K
CRWM
1406
Castle Rock Wealth Management
California
$252K
RS
1407
R Squared
Hong Kong
$251K
CL
1408
CLG LLC
California
$250K
SIM
1409
Sentry Investment Management
Wisconsin
$248K
SFG
1410
SNS Financial Group
Minnesota
$248K
TWM
1411
Thrive Wealth Management
Pennsylvania
$248K
SN
1412
Sittner & Nelson
Oregon
$247K
NG
1413
Northstar Group
New York
$247K
BTWM
1414
Brass Tax Wealth Management
Ohio
$247K
SAI
1415
Savvy Advisors Inc
New York
$247K
OL
1416
OneFund LLC
Florida
$246K
GBT
1417
Grove Bank & Trust
Florida
$245K
1WM
1418
1858 Wealth Management
Ohio
$245K
OIS
1419
OneAscent Investment Solutions
Alabama
$245K
AWM
1420
Affinity Wealth Management
Delaware
$245K
Connor, Clark & Lunn Investment Management (CC&L)
1421
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$245K
TA
1422
Townsend & Associates
Colorado
$245K
BF
1423
Brucke Financial
Indiana
$243K
DWM
1424
Destination Wealth Management
California
$241K
BCM
1425
Blume Capital Management
California
$241K