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328 hedge funds and large institutions have $5.65B invested in RadNet in 2025 Q3 according to their latest regulatory filings, with 43 funds opening new positions, 144 increasing their positions, 96 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more repeat investments, than reductions

Existing positions increased: 144 | Existing positions reduced: 96

40% more capital invested

Capital invested by funds: $4.03B → $5.65B (+$1.62B)

20% more funds holding in top 10

Funds holding in top 10: 56 (+1)

1.91% more ownership

Funds ownership: 94.45%96.36% (+1.9%)

8% more first-time investments, than exits

New positions opened: 43 | Existing positions closed: 40

6% more call options, than puts

Call options by funds: $6.12M | Put options by funds: $5.8M

0% more funds holding

Funds holding: 328328 (0)

Holders
328
Holders Change
Holders Change %
0%
% of All Funds
4.31%
Holding in Top 10
6
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+20%
% of All Funds
0.08%
New
43
Increased
144
Reduced
96
Closed
40
Calls
$6.12M
Puts
$5.8M
Net Calls
+$324K
Net Calls Change
-$729K
Name Holding Trade Value Shares
Change
Change in
Stake
SBH
51
Segall Bryant & Hamill
Illinois
$28.1M +$3.22M +49,527 +16%
Jennison Associates
52
Jennison Associates
New York
$27.5M +$7.04M +108,441 +43%
UBS Group
53
UBS Group
Switzerland
$26.4M +$5.95M +91,645 +36%
Marshall Wace
54
Marshall Wace
United Kingdom
$23.6M +$18.8M +290,213 +1,450%
IHAM
55
Integral Health Asset Management
New York
$22.9M -$6.49M -100,000 -25%
PCM
56
Penn Capital Management
Pennsylvania
$21.6M +$106K +1,632 +0.6%
WCM Investment Management
57
WCM Investment Management
California
$21.3M +$4.56M +70,244 +33%
Public Sector Pension Investment Board (PSP Investments)
58
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$20.6M +$2.92M +44,913 +20%
FGP
59
Freestone Grove Partners
California
$20.5M +$17.5M +269,342 New
SEI Investments
60
SEI Investments
Pennsylvania
$20.2M -$303K -4,662 -2%
PMAM
61
Picton Mahoney Asset Management
Ontario, Canada
$19.7M -$314K -4,829 -2%
New York State Common Retirement Fund
62
New York State Common Retirement Fund
New York
$18.9M -$879K -13,532 -5%
Adage Capital Partners
63
Adage Capital Partners
Massachusetts
$17.5M -$11.3M -173,880 -43%
PCM
64
Portolan Capital Management
Massachusetts
$17.3M -$7.45M -114,686 -34%
WT
65
Whittier Trust
California
$17M +$253K +3,896 +2%
AI
66
Axiom Investors
Connecticut
$15.4M +$6M +92,370 +84%
Skandinaviska Enskilda Banken (SEB)
67
Skandinaviska Enskilda Banken (SEB)
Sweden
$15M
RhumbLine Advisers
68
RhumbLine Advisers
Massachusetts
$14.3M +$142K +2,189 +1%
RR
69
Robotti Robert
$14.2M -$213K -3,275 -2%
PCM
70
Palisade Capital Management
New Jersey
$13.7M -$121K -1,859 -1%
Legal & General Group
71
Legal & General Group
United Kingdom
$13.6M +$42.3K +652 +0.4%
SFM
72
Soros Fund Management
New York
$13.6M +$11.6M +178,481 New
AM
73
AGF Management
Ontario, Canada
$12.7M +$2.11M +32,461 +24%
Victory Capital Management
74
Victory Capital Management
Texas
$11.2M -$8.22M -126,631 -46%
Cerity Partners
75
Cerity Partners
New York
$11.2M -$177K -2,722 -2%

RDNT Hedge Fund Activity: Q3 2025 in Review

328 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in RadNet (RDNT) for Q3 2025, worth a combined $5.65B — up 40% from $4.03B a quarter earlier.

Buyers outnumbered sellers: 43 funds opened new RDNT positions and 40 closed out — a net gain of 3 holders — while 144 added to existing stakes and 96 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $125M. The largest seller was Invesco, cutting an estimated $23.8M.

  • 328 institutional investors held RadNet (RDNT) as of Q3 2025, unchanged from Q2 2025.
  • Funds reported $5.65B of RadNet stock for Q3 2025, up 40% quarter-over-quarter.
  • 43 funds opened new RadNet positions in Q3 2025 and 40 closed out, a net change of +3 holders.
  • The largest RadNet buyer in Q3 2025 was T. Rowe Price Associates, an estimated $125M added.
  • The largest RadNet seller in Q3 2025 was Invesco, an estimated $23.8M sold.

Based on aggregated 13F filings for Q3 2025.