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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10,021,020 | $715.0M | 0.01% | +567,345+6.0% | Added |
| Vanguard Group Inc | 7,463,101 | $532.5M | 0.01% | −20,768−0.3% | Reduced |
| RTW Investments, LP | 3,938,500 | $281.0M | 2.81% | +1,122,956+39.9% | Added |
| Beck Mack & Oliver LLC | 3,231,451 | $230.6M | 4.19% | −45,323−1.4% | Reduced |
| Price T Rowe Associates Inc | 2,699,082 | $192.6M | 0.02% | +627,936+30.3% | Added |
| State Street Corp | 2,579,073 | $184.0M | 0.01% | +41,356+1.6% | Added |
| Geode Capital Management, LLC | 1,671,543 | $119.3M | 0.01% | +6,655+0.4% | Added |
| Invesco Ltd. | 1,596,780 | $113.9M | 0.01% | +333,911+26.4% | Added |
| JB Capital Partners LP | 1,424,061 | $101.6M | 17.48% | 00.0% | Unchanged |
| Hood River Capital Management LLC | 1,395,891 | $99.6M | 1.09% | +24,597+1.8% | Added |
| Dimensional Fund Advisors LP | 1,359,815 | $97.0M | 0.02% | −17,905−1.3% | Reduced |
| Alyeska Investment Group, L.P. | 1,152,293 | $82.2M | 0.23% | 00.0% | Unchanged |
| Principal Financial Group Inc | 1,133,089 | $80.8M | 0.04% | −8,748−0.8% | Reduced |
| Ameriprise Financial Inc | 1,120,144 | $79.9M | 0.02% | −293,590−20.8% | Reduced |
| Goldman Sachs Group Inc | 1,120,042 | $79.9M | 0.01% | +74,898+7.2% | Added |
| Clearbridge Investments, LLC | 1,114,973 | $79.6M | 0.06% | −71,087−6.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,048,327 | $74.4M | 0.12% | −694,773−39.9% | Reduced |
| Morgan Stanley | 949,971 | $67.8M | 0.00% | +218,070+29.8% | Added |
| American Century Companies Inc | 908,032 | $64.8M | 0.03% | −355,469−28.1% | Reduced |
| Van Berkom & Associates Inc. | 823,728 | $58.8M | 1.69% | +1460.0% | Added |
| T. Rowe Price Investment Management, Inc. | 822,723 | $58.7M | 0.04% | −249,063−23.2% | Reduced |
| Bamco Inc | 810,066 | $57.8M | 0.16% | 00.0% | Unchanged |
| Fuller & Thaler Asset Management, Inc. | 768,464 | $54.8M | 0.19% | +62,805+8.9% | Added |
| Charles Schwab Investment Management Inc | 758,304 | $54.1M | 0.01% | +17,266+2.3% | Added |
| Loomis Sayles & Co L P | 743,472 | $53.0M | 0.06% | −34,737−4.5% | Reduced |
| Northern Trust Corp | 729,482 | $52.0M | 0.01% | −26,913−3.6% | Reduced |
| Nuveen, LLC | 698,405 | $49.8M | 0.01% | +161,865+30.2% | Added |
| UBS Asset Management Americas Inc | 689,230 | $49.2M | 0.01% | +153,040+28.5% | Added |
| Polar Capital Holdings Plc | 658,051 | $47.0M | 0.21% | −174,163−20.9% | Reduced |
| Punch & Associates Investment Management, Inc. | 651,169 | $46.5M | 2.71% | +1,791+0.3% | Added |
| Rockefeller Capital Management L.P. | 632,267 | $45.1M | 0.08% | −244,799−27.9% | Reduced |
| Neuberger Berman Group LLC | 588,985 | $42.0M | 0.03% | +132,130+28.9% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 574,555 | $41.0M | 0.55% | +396,074+221.9% | Added |
| Franklin Resources Inc | 556,343 | $39.7M | 0.01% | −691−0.1% | Reduced |
| Fred Alger Management, LLC | 547,850 | $39.1M | 0.15% | +57,583+11.7% | Added |
| Falcon Edge Capital, LP | 541,451 | $38.6M | 4.74% | +8,172+1.5% | Added |
| Westfield Capital Management Co LP | 531,761 | $37.9M | 0.16% | +5,941+1.1% | Added |
| Defiance ETFs, LLC | 517,822 | $37.0M | 1.21% | +517,822 | New |
| Penserra Capital Management LLC | 517,822 | $36.9M | 0.44% | +38,745+8.1% | Added |
| Bank of America Corp | 512,412 | $36.6M | 0.00% | +136,353+36.3% | Added |
| Bessemer Group Inc | 493,999 | $35.2M | 0.05% | +50,690+11.4% | Added |
| Global Alpha Capital Management Ltd. | 488,169 | $34.8M | 2.12% | −214,589−30.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 476,626 | $34.0M | 0.05% | +247,356+107.9% | Added |
| Deutsche Bank AG | 476,112 | $34.0M | 0.01% | −10,278−2.1% | Reduced |
| Royal Bank of Canada | 474,388 | $33.8M | 0.01% | −15,763−3.2% | Reduced |
| Norges Bank | 450,721 | $32.2M | 0.00% | +450,721 | New |
| Bank of New York Mellon Corp | 422,833 | $30.2M | 0.01% | −3,612−0.8% | Reduced |
| Wellington Management Group LLP | 405,821 | $29.0M | 0.01% | −58,368−12.6% | Reduced |
| Toroso Investments, LLC | 400,155 | $28.6M | 0.12% | −33,407−7.7% | Reduced |
| Emerald Advisers, LLC | 394,715 | $28.2M | 0.87% | −247,452−38.5% | Reduced |
| Raymond James Financial Inc | 393,470 | $28.1M | 0.01% | −41,267−9.5% | Reduced |
| Millennium Management LLC | 380,961 | $27.2M | 0.02% | +361,762+1,884.3% | Added |
| Jennison Associates LLC | 350,615 | $25.0M | 0.02% | −9,589−2.7% | Reduced |
| Voya Investment Management LLC | 340,786 | $24.3M | 0.02% | −149,622−30.5% | Reduced |
| Silvercrest Asset Management Group LLC | 335,255 | $23.9M | 0.16% | −216,036−39.2% | Reduced |
| Segall Bryant & Hamill, LLC | 317,472 | $22.7M | 0.31% | −51,462−13.9% | Reduced |
| UBS Group AG | 315,438 | $22.5M | 0.00% | −31,344−9.0% | Reduced |
| Penn Capital Management Co Inc | 274,367 | $19.6M | 1.56% | −8,521−3.0% | Reduced |
| SEI Investments Co | 269,285 | $19.2M | 0.02% | +3,596+1.4% | Added |
| WCM Investment Management, LLC | 268,224 | $19.2M | 0.04% | −17,554−6.1% | Reduced |
| Point72 Asset Management, L.P. | 257,613 | $18.4M | 0.03% | +257,613 | New |
| Emerald Mutual Fund Advisers Trust | 251,246 | $17.9M | 0.87% | −121,534−32.6% | Reduced |
| New York State Common Retirement Fund | 247,719 | $17.7M | 0.02% | +240+0.1% | Added |
| Public Sector Pension Investment Board | 240,281 | $17.1M | 0.06% | −29,713−11.0% | Reduced |
| Whittier Trust Co | 219,293 | $17.0M | 0.18% | +452+0.2% | Added |
| FMR LLC | 221,946 | $15.8M | 0.00% | +214,439+2,856.5% | Added |
| Picton Mahoney Asset Management | 217,665 | $15.5M | 0.17% | −40,455−15.7% | Reduced |
| Integral Health Asset Management, LLC | 200,000 | $14.3M | 0.72% | −100,000−33.3% | Reduced |
| Jane Street Group, LLC | 195,978 | $14.0M | 0.02% | +97,278+98.6% | Added |
| Balyasny Asset Management LLC | 194,198 | $13.9M | 0.03% | +161,473+493.4% | Added |
| Robotti Robert | 184,061 | $13.1M | 2.36% | −2,110−1.1% | Reduced |
| Rhumbline Advisers | 182,093 | $13.0M | 0.01% | −5,933−3.2% | Reduced |
| Freestone Grove Partners LP | 181,011 | $12.9M | 0.09% | −88,331−32.8% | Reduced |
| Legal & General Group Plc | 171,097 | $12.2M | 0.00% | −7,756−4.3% | Reduced |
| Alliancebernstein L.P. | 164,388 | $11.7M | 0.00% | +45,438+38.2% | Added |
| Palisade Capital Management LLC | 161,137 | $11.5M | 0.34% | −18,817−10.5% | Reduced |
| Agf Management Ltd | 159,015 | $11.3M | 0.05% | −7,083−4.3% | Reduced |
| Cerity Partners LLC | 147,383 | $10.5M | 0.02% | +687+0.5% | Added |
| Swiss National Bank | 129,000 | $9.20M | 0.01% | +2,400+1.9% | Added |
| Whittier Trust Co of Nevada Inc | 116,914 | $9.04M | 0.19% | +1,754+1.5% | Added |
| Pier Capital, LLC | 121,005 | $8.63M | 1.38% | −1,041−0.9% | Reduced |
| Portolan Capital Management, LLC | 117,506 | $8.38M | 0.45% | −109,163−48.2% | Reduced |
| Citigroup Inc | 116,949 | $8.34M | 0.01% | +9,676+9.0% | Added |
| BNP Paribas Arbitrage, SA | 116,506 | $8.31M | 0.01% | +101,343+668.4% | Added |
| Harbor Capital Advisors, Inc. | 113,760 | $8.12M | 0.63% | −10,630−8.5% | Reduced |
| Sequoia Financial Advisors, LLC | 113,674 | $8.11M | 0.05% | +709+0.6% | Added |
| Royce & Associates LP | 113,659 | $8.11M | 0.08% | −11,200−9.0% | Reduced |
| Kingdon Capital Management, L.L.C. | 110,000 | $7.85M | 1.20% | +110,000 | New |
| Wells Fargo & Company | 109,672 | $7.83M | 0.00% | +34,698+46.3% | Added |
| Envestnet Asset Management Inc | 107,554 | $7.67M | 0.00% | −21,042−16.4% | Reduced |
| Barclays PLC | 106,497 | $7.60M | 0.00% | +9,955+10.3% | Added |
| Axiom Investors LLC | 105,279 | $7.51M | 0.07% | −96,631−47.9% | Reduced |
| Mairs & Power Inc | 95,648 | $6.82M | 0.07% | −1,835−1.9% | Reduced |
| First Trust Advisors LP | 93,359 | $6.66M | 0.00% | +90,484+3,147.3% | Added |
| First Eagle Investment Management, LLC | 93,136 | $6.65M | 0.01% | +3,600+4.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 91,808 | $6.55M | 0.01% | +91,161+14,089.8% | Added |
| State of Wisconsin Investment Board | 80,778 | $5.76M | 0.01% | +9,156+12.8% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 77,341 | $5.52M | 0.02% | −119,253−60.7% | Reduced |
| JPMorgan Chase & Co | 75,902 | $5.42M | 0.00% | −236−0.3% | Reduced |
| Russell Investments Group, Ltd. | 66,471 | $4.74M | 0.01% | +6,034+10.0% | Added |