RadNet
RDNT
342 hedge funds and large institutions have $5.44B invested in RadNet in 2025 Q4 according to their latest regulatory filings, with 53 funds opening new positions, 122 increasing their positions, 115 reducing their positions, and 32 closing their positions.
66% more first-time investments, than exits
New positions opened: 53 | Existing positions closed: 32
4% more funds holding
Funds holding: 328 → 342 (+14)
2.44% more ownership
Funds ownership: 96.36% → 98.8% (+2.4%)
6% more repeat investments, than reductions
Existing positions increased: 122 | Existing positions reduced: 115
0% more funds holding in top 10
Funds holding in top 10: 6 → 6 (0)
4% less capital invested
Capital invested by funds: $5.65B → $5.44B (-$210M)
16% less call options, than puts
Call options by funds: $46.9M | Put options by funds: $55.9M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RI
RTW Investments
New York
|
+$86.7M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$48.5M |
| 3 |
BlackRock
New York
|
+$43.8M |
| 4 |
SFM
Soros Fund Management
New York
|
+$30.6M |
| 5 |
Millennium Management
New York
|
+$27.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$53.6M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
-$27.4M |
| 3 |
Ameriprise
Minneapolis,
Minnesota
|
-$22.7M |
| 4 |
Marshall Wace
London,
United Kingdom
|
-$22.1M |
| 5 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$19.2M |
RDNT Hedge Fund Activity: Q4 2025 in Review
342 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in RadNet (RDNT) for Q4 2025, worth a combined $5.44B — down 3.7% from $5.65B a quarter earlier.
Buyers outnumbered sellers: 53 funds opened new RDNT positions and 32 closed out — a net gain of 21 holders — while 122 added to existing stakes and 115 trimmed.
The largest buyer was RTW Investments, adding an estimated $86.7M. The largest seller was Allspring Global Investments, cutting an estimated $53.6M.
- 342 institutional investors held RadNet (RDNT) as of Q4 2025, up from 328 in Q3 2025.
- Funds reported $5.44B of RadNet stock for Q4 2025, down 3.7% quarter-over-quarter.
- 53 funds opened new RadNet positions in Q4 2025 and 32 closed out, a net change of +21 holders.
- The largest RadNet buyer in Q4 2025 was RTW Investments, an estimated $86.7M added.
- The largest RadNet seller in Q4 2025 was Allspring Global Investments, an estimated $53.6M sold.
Based on aggregated 13F filings for Q4 2025.