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RadNet
RDNT

328 hedge funds and large institutions have $4.03B invested in RadNet in 2025 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 154 increasing their positions, 87 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

93% more call options, than puts

Call options by funds: $2.19M | Put options by funds: $1.13M

88% more first-time investments, than exits

New positions opened: 47 | Existing positions closed: 25

77% more repeat investments, than reductions

Existing positions increased: 154 | Existing positions reduced: 87

18% more capital invested

Capital invested by funds: $3.43B → $4.03B (+$605M)

7% more funds holding

Funds holding: 307 → 328 (+21)

1.43% more ownership

Funds ownership: 93.02% → 94.45% (+1.4%)

0% more funds holding in top 10

Funds holding in top 10: 5 → 5 (0)

Holders
328
Holders Change
+21
Holders Change %
+6.84%
% of All Funds
4.32%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
47
Increased
154
Reduced
87
Closed
25
Calls
$2.19M
Puts
$1.13M
Net Calls
+$1.05M
Net Calls Change
-$63.3M

Top Buyers

Rank Fund Capital Flow
1
Ameriprise
Ameriprise
Minnesota
+$34M
2
VOYA Investment Management
VOYA Investment Management
Georgia
+$25.8M
3
RI
RTW Investments
New York
+$20.5M
4
8KM
8 Knots Management
Texas
+$14.1M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$13.3M

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$37.9M
2
Millennium Management
Millennium Management
New York
-$26.6M
3
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$19.7M
4
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$17.5M
5
FGP
Freestone Grove Partners
California
-$17.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
State of Tennessee, Department of Treasury
151
State of Tennessee, Department of Treasury
Tennessee
$1.18M -$267K -4,867 -19%
New York State Teachers Retirement System (NYSTRS)
152
New York State Teachers Retirement System (NYSTRS)
New York
$1.15M – – –
Marshall Wace
153
Marshall Wace
United Kingdom
$1.14M -$8.33M -151,677 -88%
WP
154
Westmount Partners
California
$1.14M – – –
MSRPS
155
Maryland State Retirement & Pension System
Maryland
$1.1M +$23.2K +423 +2%
AB
156
Amalgamated Bank
New York
$1.07M +$12.3K +224 +1%
ASRS
157
Arizona State Retirement System
Arizona
$1.04M +$19.4K +353 +2%
NA
158
NewEdge Advisors
Louisiana
$1.02M +$963K +17,538 +5,846%
WSCM
159
Wellington Shields Capital Management
New York
$985K – – –
State Board of Administration of Florida Retirement System
160
State Board of Administration of Florida Retirement System
Florida
$967K – – –
BCM
161
Bayesian Capital Management
New York
$966K +$932K +16,967 New
COPPSERS
162
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$965K +$74.9K +1,363 +9%
NEI
163
Northwest & Ethical Investments
Ontario, Canada
$946K – – –
Handelsbanken Fonder
164
Handelsbanken Fonder
Sweden
$939K -$22K -400 -2%
EEL
165
Expect Equity LLC
Maryland
$867K +$187K +3,400 +29%
OPERF
166
Oregon Public Employees Retirement Fund
Oregon
$864K +$16.5K +300 +2%
PFSRSONJ
167
Police & Firemen's Retirement System of New Jersey
New Jersey
$864K +$60.1K +1,095 +8%
ProShare Advisors
168
ProShare Advisors
Maryland
$845K -$39.1K -712 -5%
Squarepoint
169
Squarepoint
New York
$820K -$389K -7,075 -33%
FFL
170
Future Fund LLC
Illinois
$758K +$731K +13,318 New
OCM
171
One Capital Management
California
$758K +$731K +13,318 New
KK
172
KLP Kapitalforvaltning
Norway
$751K +$60.4K +1,100 +9%
SAM
173
Sectoral Asset Management
Quebec, Canada
$711K -$412K -7,500 -38%
Wealth Enhancement Advisory Services
174
Wealth Enhancement Advisory Services
Minnesota
$696K +$298K +5,433 +78%
AQR Capital Management
175
AQR Capital Management
Connecticut
$683K +$283K +5,158 +75%
5 6
7
8 9

RDNT Hedge Fund Activity: Q2 2025 in Review

328 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in RadNet (RDNT) for Q2 2025, worth a combined $4.03B — up 18% from $3.43B a quarter earlier.

Buyers outnumbered sellers: 47 funds opened new RDNT positions and 25 closed out — a net gain of 22 holders — while 154 added to existing stakes and 87 trimmed.

The largest buyer was Ameriprise, adding an estimated $34M. The largest seller was BlackRock, cutting an estimated $37.9M.

  • 328 institutional investors held RadNet (RDNT) as of Q2 2025, up from 307 in Q1 2025.
  • Funds reported $4.03B of RadNet stock for Q2 2025, up 18% quarter-over-quarter.
  • 47 funds opened new RadNet positions in Q2 2025 and 25 closed out, a net change of +22 holders.
  • The largest RadNet buyer in Q2 2025 was Ameriprise, an estimated $34M added.
  • The largest RadNet seller in Q2 2025 was BlackRock, an estimated $37.9M sold.

Based on aggregated 13F filings for Q2 2025.