RadNet
RDNT
340 hedge funds and large institutions have $4.31B invested in RadNet in 2026 Q1 according to their latest regulatory filings, with 52 funds opening new positions, 137 increasing their positions, 102 reducing their positions, and 48 closing their positions.
216% more call options, than puts
Call options by funds: $7.96M | Put options by funds: $2.52M
34% more repeat investments, than reductions
Existing positions increased: 137 | Existing positions reduced: 102
8% more first-time investments, than exits
New positions opened: 52 | Existing positions closed: 48
0.53% more ownership
Funds ownership: 98.8% → 99.33% (+0.53%)
1% less funds holding
Funds holding: 342 → 340 (-2)
21% less capital invested
Capital invested by funds: $5.44B → $4.31B (-$1.13B)
33% less funds holding in top 10
Funds holding in top 10: 6 → 4 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$99.4M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$40.8M |
| 3 |
RI
RTW Investments
New York
|
+$23.7M |
| 4 |
VBA
Van Berkom & Associates
Montreal,
Quebec, Canada
|
+$14M |
| 5 |
FGP
Freestone Grove Partners
San Francisco,
California
|
+$12.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$58.7M |
| 2 |
Adage Capital Partners
Boston,
Massachusetts
|
-$34M |
| 3 |
Millennium Management
New York
|
-$22.8M |
| 4 |
Ameriprise
Minneapolis,
Minnesota
|
-$15.1M |
| 5 |
IHAM
Integral Health Asset Management
New York
|
-$14.3M |
RDNT Hedge Fund Activity: Q1 2026 in Review
340 institutional investors reported a position in RadNet (RDNT) for Q1 2026, worth a combined $4.31B — down 21% from $5.44B a quarter earlier.
Buyers outnumbered sellers: 52 funds opened new RDNT positions and 48 closed out — a net gain of 4 holders — while 137 added to existing stakes and 102 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $99.4M. The largest seller was T. Rowe Price Investment Management, exiting entirely with an estimated $58.7M sold.
- 340 institutional investors held RadNet (RDNT) as of Q1 2026, down from 342 in Q4 2025.
- Funds reported $4.31B of RadNet stock for Q1 2026, down 21% quarter-over-quarter.
- 52 funds opened new RadNet positions in Q1 2026 and 48 closed out, a net change of +4 holders.
- The largest RadNet buyer in Q1 2026 was T. Rowe Price Associates, an estimated $99.4M added.
- The largest RadNet seller in Q1 2026 was T. Rowe Price Investment Management, an estimated $58.7M sold.
Based on aggregated 13F filings for Q1 2026.