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Lantheus
LNTH

Overview Fund Activity

468 hedge funds and large institutions have $6.63B invested in Lantheus in 2025 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 193 increasing their positions, 171 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
468
Holders Change
-48
Holders Change %
-9.3%
% of All Funds
6.28%
Holding in Top 10
4
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-60%
% of All Funds
0.05%
New
47
Increased
193
Reduced
171
Closed
89
Calls
$54.4M
Puts
$37.8M
Net Calls
+$16.5M
Net Calls Change
+$318K

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$411M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$141M
3
FCM
Farallon Capital Management
California
$550M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
$568M
5
UBS Group
UBS Group
Switzerland
$53.3M

Top Sellers

1
PCM
Portolan Capital Management
Massachusetts
$20.8M
2
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
$0
3
NL
Nuveen LLC
North Carolina
$17.9M
4
HRCM
Hood River Capital Management
Florida
$33.3M
5
Invesco
Invesco
Georgia
$138M
Name Holding Trade Value Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$699M -$18.1M -221,098 -3%
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$568M +$34.8M +424,532 +7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$560M -$13.4M -163,609 -2%
FCM
4
Farallon Capital Management
California
$550M +$57.2M +699,000 +12%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$411M +$195M +2,379,117 +90%
State Street
6
State Street
Massachusetts
$209M -$6.29M -76,878 -3%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$145M -$43.6K -532 -0%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$141M +$66.3M +810,234 +89%
Invesco
9
Invesco
Georgia
$138M -$23.5M -286,885 -15%
Westfield Capital Management
10
Westfield Capital Management
Massachusetts
$122M -$7.7M -94,073 -6%
T. Rowe Price Investment Management
11
T. Rowe Price Investment Management
Maryland
$117M +$1.14M +13,927 +1%
RP
12
Reinhart Partners
Wisconsin
$115M +$16.2M +197,719 +16%
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$113M +$376K +4,595 +0.3%
Swedbank
14
Swedbank
Sweden
$101M – – –
Macquarie Group
15
Macquarie Group
Australia
$91.9M +$5.27M +64,386 +6%
T. Rowe Price Associates
16
T. Rowe Price Associates
Maryland
$84.6M +$2.42M +29,623 +3%
SAM
17
Silvercrest Asset Management
New York
$83.2M -$3.82M -46,627 -4%
JPMorgan Chase & Co
18
JPMorgan Chase & Co
New York
$73.3M +$1.38M +16,852 +2%
Northern Trust
19
Northern Trust
Illinois
$70.9M -$3.45M -42,162 -5%
Charles Schwab
20
Charles Schwab
California
$68.3M +$1.5M +18,341 +2%
Morgan Stanley
21
Morgan Stanley
New York
$60.6M +$2.6M +31,709 +4%
UBS Group
22
UBS Group
Switzerland
$53.3M +$33.8M +412,439 +173%
TD Asset Management
23
TD Asset Management
Ontario, Canada
$51.8M -$4.09M -50,022 -7%
Bank of America
24
Bank of America
North Carolina
$50.7M -$5.72M -69,844 -10%
American Century Companies
25
American Century Companies
Missouri
$47.6M -$16.2M -198,413 -25%
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