RadNet, Inc.
RDNT- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0000790526
No open-market purchases or sales by RadNet, Inc. insiders were filed in the last 90 days; 328 institutions reported holding it in 13F filings for Q2 2026, worth $5.03B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q3 2024
Institutional positions in RadNet, Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 303
- +29 vs. Q2 2024
- Shares held
- 63.7M
- +12.2M (+23.6%) vs. Q2 2024
- Total value
- $4.42B
- +$1.39B (+45.6%) vs. Q2 2024
- New holders
- 55
- 104 more added
- Sold out
- 26
- 99 more reduced
3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RDNT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 328 | $5.03B |
| Q1 2026 | 340 | $4.31B |
| Q4 2025 | 342 | $5.44B |
| Q3 2025 | 328 | $5.65B |
| Q2 2025 | 328 | $4.03B |
| Q1 2025 | 307 | $3.43B |
| Q4 2024 | 330 | $4.49B |
| Q3 2024 | 303 | $4.42B |
| Q2 2024 | 277 | $3.60B |
| Q1 2024 | 277 | $2.91B |
| Q4 2023 | 214 | $1.86B |
| Q3 2023 | 191 | $1.49B |
| Q2 2023 | 185 | $1.66B |
| Q1 2023 | 152 | $1.00B |
| Q4 2022 | 145 | $744.5M |
| Q3 2022 | 153 | $798.7M |
| Q2 2022 | 152 | $672.9M |
| Q1 2022 | 164 | $847.5M |
| Q4 2021 | 171 | $1.08B |
| Q3 2021 | 179 | $1.04B |
| Q2 2021 | 169 | $1.20B |
| Q1 2021 | 142 | $764.5M |
Institutions, Q3 2024
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Beck Mack & Oliver LLC | 3,198,372 | $221.9M | 4.32% | −71,015−2.2% | Reduced |
| Vanguard Group Inc | 7,353,308 | $510.2M | 0.01% | +1,343,866+22.4% | Added |
| BlackRock, Inc. | 9,579,454 | $664.7M | 0.01% | +9,579,454 | New |
| 8 Knots Management, LLC | 0 | $0 | 0.00% | −509,247−100.0% | Sold out |
| Nwam LLC | 0 | $0 | 0.00% | −48,185−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −28,818−100.0% | Sold out |
| UniSuper Management Pty Ltd | 0 | $0 | 0.00% | −14,026−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −12,964−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −11,050−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −10,400−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −10,227−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −8,418−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −6,314−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −6,311−100.0% | Sold out |
| IHT Wealth Management, LLC | 0 | $0 | 0.00% | −6,300−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −5,996−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −5,823−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −5,256−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −5,186−100.0% | Sold out |
| Alpha Cubed Investments, LLC | 0 | $0 | 0.00% | −4,999−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −4,845−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −4,787−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −2,983−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −335−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| SYSTM Wealth Solutions LLC | 0 | $0 | 0.00% | −193−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −124−100.0% | Sold out |
| Innealta Capital, LLC | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |
| Susquehanna Fundamental Investments, LLC | – | – | – | – | Not filed |
| Institutional & Family Asset Management, LLC | – | – | – | – | Not filed |