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RadNet
RDNT

171 hedge funds and large institutions have $1.08B invested in RadNet in 2021 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 60 increasing their positions, 57 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.02% more ownership

Funds ownership: 66.5% → 67.51% (+1%)

5% more repeat investments, than reductions

Existing positions increased: 60 | Existing positions reduced: 57

5% more capital invested

Capital invested by funds: $1.04B → $1.08B (+$48.6M)

0% more funds holding in top 10

Funds holding in top 10: 4 → 4 (0)

4% less funds holding

Funds holding: 179 → 171 (-8)

22% less first-time investments, than exits

New positions opened: 21 | Existing positions closed: 27

30% less call options, than puts

Call options by funds: $3.8M | Put options by funds: $5.4M

Holders
171
Holders Change
-8
Holders Change %
-4.47%
% of All Funds
2.63%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.06%
New
21
Increased
60
Reduced
57
Closed
27
Calls
$3.8M
Puts
$5.4M
Net Calls
-$1.6M
Net Calls Change
+$246K

Top Buyers

1
American Century Companies
American Century Companies
Missouri
+$15.9M
2
BMO
Beck Mack & Oliver
New York
+$12.8M
3
EDRH
Edmond de Rothschild Holding
Switzerland
+$9.72M
4
GACM
Global Alpha Capital Management
Quebec, Canada
+$5.61M
5
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$4.54M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
-$6.53M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$5.69M
3
CA
CastleArk Alternatives
Illinois
-$4.67M
4
CM
Castleark Management
Illinois
-$4.67M
5
Citadel Advisors
Citadel Advisors
Florida
-$3.84M
Name Holding Trade Value Shares
Change 		Change in
Stake
Calamos Advisors
176
Calamos Advisors
Illinois
– -$743K -25,360 Closed
CAM
177
ClariVest Asset Management
California
– -$713K -24,300 Closed
Wellington Management Group
178
Wellington Management Group
Massachusetts
– -$431K -14,703 Closed
AA
179
ALPS Advisors
Colorado
– -$367K -12,513 Closed
D.E. Shaw & Co
180
D.E. Shaw & Co
New York
– -$355K -12,105 Closed
HF
181
HRT Financial
New York
– -$348K -11,874 Closed
Susquehanna International Group
182
Susquehanna International Group
Pennsylvania
– -$323K -10,960 Closed
Qube Research & Technologies (QRT)
183
Qube Research & Technologies (QRT)
United Kingdom
– -$280K -9,554 Closed
Marshall Wace
184
Marshall Wace
United Kingdom
– -$249K -8,491 Closed
Wolverine Trading
185
Wolverine Trading
Illinois
– -$232K -7,855 Closed
EGM
186
Engineers Gate Manager
New York
– -$215K -7,350 Closed
QT
187
Quantbot Technologies
New York
– -$164K -5,600 Closed
SG Americas Securities
188
SG Americas Securities
New York
– -$144K -4,907 Closed
PHK
189
Point72 Hong Kong
Hong Kong
– -$132K -4,518 Closed
OSAM
190
O'Shaughnessy Asset Management
Connecticut
– -$78K -2,662 Closed
Acadian Asset Management
191
Acadian Asset Management
Massachusetts
– -$65K -2,254 Closed
GEA
192
Glen Eagle Advisors
New Jersey
– -$13.2K -450 Closed
HI
193
Harbour Investments
Wisconsin
– -$10K -335 Closed
MAM
194
Meeder Asset Management
Ohio
– -$2K -61 Closed
Fifth Third Bancorp
195
Fifth Third Bancorp
Ohio
– -$1K -33 Closed
EI
196
Ellevest Inc
New York
– +$206 +7 New
4 5 6 7
8

RDNT Hedge Fund Activity: Q4 2021 in Review

171 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in RadNet (RDNT) for Q4 2021, worth a combined $1.08B — up 4.7% from $1.04B a quarter earlier.

Sellers outnumbered buyers: 27 funds closed out of RDNT and 21 opened new positions — a net loss of 6 holders — while 57 trimmed existing stakes and 60 added.

The largest buyer was American Century Companies, adding an estimated $15.9M. The largest seller was Renaissance Technologies, cutting an estimated $6.53M.

  • 171 institutional investors held RadNet (RDNT) as of Q4 2021, down from 179 in Q3 2021.
  • Funds reported $1.08B of RadNet stock for Q4 2021, up 4.7% quarter-over-quarter.
  • 21 funds opened new RadNet positions in Q4 2021 and 27 closed out, a net change of -6 holders.
  • The largest RadNet buyer in Q4 2021 was American Century Companies, an estimated $15.9M added.
  • The largest RadNet seller in Q4 2021 was Renaissance Technologies, an estimated $6.53M sold.

Based on aggregated 13F filings for Q4 2021.