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, Q4 2023
Institutional positions in RadNet, Inc. as of Dec 31, 2023. 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
- 214
- +25 vs. Q3 2023
- Shares held
- 53.4M
- +547.1K (+1.0%) vs. Q3 2023
- Total value
- $1.86B
- +$366.5M (+24.6%) vs. Q3 2023
- New holders
- 39
- 68 more added
- Sold out
- 14
- 76 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Punch & Associates Investment Management, Inc. | 939,264 | $32.7M | 1.91% | −106,440−10.2% | Reduced |
| Hood River Capital Management LLC | 993,885 | $34.6M | 0.95% | +14,403+1.5% | Added |
| Alyeska Investment Group, L.P. | 1,171,485 | $40.7M | 0.27% | +448,624+62.1% | Added |
| American Century Companies Inc | 1,208,748 | $42.0M | 0.03% | +460,803+61.6% | Added |
| Principal Financial Group Inc | 1,290,582 | $44.9M | 0.03% | +133,221+11.5% | Added |
| Geode Capital Management, LLC | 1,327,222 | $46.2M | 0.00% | +69,641+5.5% | Added |
| Edmond de Rothschild Holding S.A. | 1,547,652 | $53.8M | 0.97% | −165,576−9.7% | Reduced |
| Invesco Ltd. | 1,560,766 | $54.3M | 0.01% | +89,079+6.1% | Added |
| Dimensional Fund Advisors LP | 1,744,124 | $60.6M | 0.02% | +71,714+4.3% | Added |
| JB Capital Partners LP | 2,127,211 | $74.0M | 14.94% | 00.0% | Unchanged |
| State Street Corp | 2,221,632 | $77.2M | 0.00% | +27,807+1.3% | Added |
| Beck Mack & Oliver LLC | 3,230,057 | $112.3M | 2.61% | −16,672−0.5% | Reduced |
| Vanguard Group Inc | 4,254,717 | $147.9M | 0.00% | +32,483+0.8% | Added |
| BlackRock Inc. | 8,894,317 | $309.3M | 0.01% | −24,885−0.3% | Reduced |
| Woodline Partners LP | 0 | $0 | 0.00% | −550,896−100.0% | Sold out |
| Sectoral Asset Management Inc | 0 | $0 | 0.00% | −369,134−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −62,319−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −37,400−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −18,637−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −14,372−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −14,009−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −7,787−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −7,423−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,303−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −433−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −193−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Virginia Retirement Systems Et Al | – | – | – | – | Not filed |
| Steward Financial Group LLC | – | – | – | – | Not filed |