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RadNet
RDNT

Overview Fund Activity

304 hedge funds and large institutions have $3.4B invested in RadNet in 2025 Q1 according to their latest regulatory filings, with 46 funds opening new positions, 123 increasing their positions, 103 reducing their positions, and 64 closing their positions.

Holders
304
Holders Change
-22
Holders Change %
-6.75%
% of All Funds
4.13%
Holding in Top 10
5
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-44.44%
% of All Funds
0.07%
New
46
Increased
123
Reduced
103
Closed
64
Calls
$72.4M
Puts
$8.01M
Net Calls
+$64.3M
Net Calls Change
+$64M

Top Buyers

1
American Century Companies
1
American Century Companies
Missouri
$63.3M
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$82.4M
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$60.4M
4
BAMCO Inc
4
BAMCO Inc
New York
$35.3M
5
Millennium Management
5
Millennium Management
New York
$40.4M

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
Marshall Wace
2
Marshall Wace
United Kingdom
$8.54M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$271K
4
Goldman Sachs
4
Goldman Sachs
New York
$32.4M
5
CI Investments Inc
5
CI Investments Inc
Ontario, Canada
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$496M 9,985,471 +169,988 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$363M 7,299,327 -125,891 -2%
BMO
3
Beck Mack & Oliver
New York
$163M 3,280,449 +211,570 +7%
State Street
4
State Street
Massachusetts
$123M 2,479,532 -70,931 -3%
RI
5
RTW Investments
New York
$115M 2,317,582 +339,000 +17%
Allspring Global Investments
6
Allspring Global Investments
North Carolina
$85.5M 1,689,275 +213,280 +14%
T. Rowe Price Investment Management
7
T. Rowe Price Investment Management
Maryland
$82.4M 1,657,613 +743,922 +81%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$79.7M 1,602,785 +49,156 +3%
Invesco
9
Invesco
Georgia
$75.6M 1,520,830 -210,244 -12%
JCP
10
JB Capital Partners
New York
$73.3M 1,474,061 – –
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$69.7M 1,402,899 -128,566 -8%
HRCM
12
Hood River Capital Management
Florida
$67.4M 1,356,115 +33,236 +3%
Principal Financial Group
13
Principal Financial Group
Iowa
$66.2M 1,330,577 -110,872 -8%
American Century Companies
14
American Century Companies
Missouri
$63.3M 1,272,928 +1,063,516 +508%
Alyeska Investment Group
15
Alyeska Investment Group
Illinois
$60.4M 1,214,882 +712,270 +142%
ClearBridge Investments
16
ClearBridge Investments
New York
$59.8M 1,201,764 +259,682 +28%
Rockefeller Capital Management
17
Rockefeller Capital Management
New York
$49.5M 995,331 +370,621 +59%
Loomis, Sayles & Company
18
Loomis, Sayles & Company
Massachusetts
$40.6M 817,554 -17,192 -2%
Millennium Management
19
Millennium Management
New York
$40.4M 813,474 +661,641 +436%
Morgan Stanley
20
Morgan Stanley
New York
$39.5M 793,959 +178,307 +29%
Ameriprise
21
Ameriprise
Minnesota
$38.6M 776,160 +499,534 +181%
Northern Trust
22
Northern Trust
Illinois
$37.1M 746,161 -25,927 -3%
BAMCO Inc
23
BAMCO Inc
New York
$35.3M 710,000 +675,000 +1,929%
PAIM
24
Punch & Associates Investment Management
Minnesota
$34.5M 694,243 +29,399 +4%
Goldman Sachs
25
Goldman Sachs
New York
$32.4M 650,820 -434,773 -40%
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