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 2025
Institutional positions in RadNet, Inc. as of Dec 31, 2025. 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
- 342
- +21 vs. Q3 2025
- Shares held
- 76.2M
- +2.21M (+3.0%) vs. Q3 2025
- Total value
- $5.44B
- −$202.4M (−3.6%) vs. Q3 2025
- New holders
- 53
- 122 more added
- Sold out
- 32
- 115 more reduced
7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Global Alpha Capital Management Ltd. | 488,169 | $34.8M | 2.12% | −214,589−30.5% | Reduced |
| Bessemer Group Inc | 493,999 | $35.2M | 0.05% | +50,690+11.4% | Added |
| Bank of America Corp | 512,412 | $36.6M | 0.00% | +136,353+36.3% | Added |
| Penserra Capital Management LLC | 517,822 | $36.9M | 0.44% | +38,745+8.1% | Added |
| Defiance ETFs, LLC | 517,822 | $37.0M | 1.21% | +517,822 | New |
| Westfield Capital Management Co LP | 531,761 | $37.9M | 0.16% | +5,941+1.1% | Added |
| Falcon Edge Capital, LP | 541,451 | $38.6M | 4.74% | +8,172+1.5% | Added |
| Fred Alger Management, LLC | 547,850 | $39.1M | 0.15% | +57,583+11.7% | Added |
| Franklin Resources Inc | 556,343 | $39.7M | 0.01% | −691−0.1% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 574,555 | $41.0M | 0.55% | +396,074+221.9% | Added |
| Neuberger Berman Group LLC | 588,985 | $42.0M | 0.03% | +132,130+28.9% | Added |
| Rockefeller Capital Management L.P. | 632,267 | $45.1M | 0.08% | −244,799−27.9% | Reduced |
| Punch & Associates Investment Management, Inc. | 651,169 | $46.5M | 2.71% | +1,791+0.3% | Added |
| Polar Capital Holdings Plc | 658,051 | $47.0M | 0.21% | −174,163−20.9% | Reduced |
| UBS Asset Management Americas Inc | 689,230 | $49.2M | 0.01% | +153,040+28.5% | Added |
| Nuveen, LLC | 698,405 | $49.8M | 0.01% | +161,865+30.2% | Added |
| Northern Trust Corp | 729,482 | $52.0M | 0.01% | −26,913−3.6% | Reduced |
| Loomis Sayles & Co L P | 743,472 | $53.0M | 0.06% | −34,737−4.5% | Reduced |
| Charles Schwab Investment Management Inc | 758,304 | $54.1M | 0.01% | +17,266+2.3% | Added |
| Fuller & Thaler Asset Management, Inc. | 768,464 | $54.8M | 0.19% | +62,805+8.9% | Added |
| Bamco Inc | 810,066 | $57.8M | 0.16% | 00.0% | Unchanged |
| T. Rowe Price Investment Management, Inc. | 822,723 | $58.7M | 0.04% | −249,063−23.2% | Reduced |
| Van Berkom & Associates Inc. | 823,728 | $58.8M | 1.69% | +1460.0% | Added |
| American Century Companies Inc | 908,032 | $64.8M | 0.03% | −355,469−28.1% | Reduced |
| Morgan Stanley | 949,971 | $67.8M | 0.00% | +218,070+29.8% | Added |
| Allspring Global Investments Holdings, LLC | 1,048,327 | $74.4M | 0.12% | −694,773−39.9% | Reduced |
| Clearbridge Investments, LLC | 1,114,973 | $79.6M | 0.06% | −71,087−6.0% | Reduced |
| Goldman Sachs Group Inc | 1,120,042 | $79.9M | 0.01% | +74,898+7.2% | Added |
| Ameriprise Financial Inc | 1,120,144 | $79.9M | 0.02% | −293,590−20.8% | Reduced |
| Principal Financial Group Inc | 1,133,089 | $80.8M | 0.04% | −8,748−0.8% | Reduced |
| Alyeska Investment Group, L.P. | 1,152,293 | $82.2M | 0.23% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,359,815 | $97.0M | 0.02% | −17,905−1.3% | Reduced |
| Hood River Capital Management LLC | 1,395,891 | $99.6M | 1.09% | +24,597+1.8% | Added |
| JB Capital Partners LP | 1,424,061 | $101.6M | 17.48% | 00.0% | Unchanged |
| Invesco Ltd. | 1,596,780 | $113.9M | 0.01% | +333,911+26.4% | Added |
| Geode Capital Management, LLC | 1,671,543 | $119.3M | 0.01% | +6,655+0.4% | Added |
| State Street Corp | 2,579,073 | $184.0M | 0.01% | +41,356+1.6% | Added |
| Price T Rowe Associates Inc | 2,699,082 | $192.6M | 0.02% | +627,936+30.3% | Added |
| Beck Mack & Oliver LLC | 3,231,451 | $230.6M | 4.19% | −45,323−1.4% | Reduced |
| RTW Investments, LP | 3,938,500 | $281.0M | 2.81% | +1,122,956+39.9% | Added |
| Vanguard Group Inc | 7,463,101 | $532.5M | 0.01% | −20,768−0.3% | Reduced |
| BlackRock, Inc. | 10,021,020 | $715.0M | 0.01% | +567,345+6.0% | Added |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −120,873−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −47,553−100.0% | Sold out |
| Roubaix Capital, LLC | 0 | $0 | 0.00% | −46,439−100.0% | Sold out |
| First Light Asset Management, LLC | 0 | $0 | 0.00% | −42,280−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −42,022−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −40,487−100.0% | Sold out |
| Summit Wealth Group LLC | 0 | $0 | 0.00% | −26,420−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −10,273−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −8,900−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −8,548−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −8,500−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −7,892−100.0% | Sold out |
| Y.D. More Investments Ltd | 0 | $0 | 0.00% | −4,600−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −4,190−100.0% | Sold out |
| Kovitz Investment Group Partners, LLC | 0 | $0 | 0.00% | −4,037−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −3,757−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −3,191−100.0% | Sold out |
| Ninepoint Partners LP | 0 | $0 | 0.00% | −2,134−100.0% | Sold out |
| Family Legacy Financial Solutions, LLC | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −964−100.0% | Sold out |
| Koesten, Hirschmann & Crabtree, INC. | 0 | $0 | 0.00% | −467−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −283−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −256−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −177−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −154−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −103−100.0% | Sold out |
| Atlantic Trust, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Compagnie Lombard Odier SCmA | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Cloud Capital Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| AXA Investment Managers S.A. | – | – | – | – | Not filed |
| EFG Asset Management (North America) Corp. | – | – | – | – | Not filed |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Glenmede Investment Management, LP | – | – | – | – | Not filed |
| Shell Asset Management Co | – | – | – | – | Not filed |
| Abich Financial Wealth Management LLC | – | – | – | – | Not filed |
| Hemington Wealth Management | – | – | – | – | Not filed |