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 2025
Institutional positions in RadNet, Inc. as of Sep 30, 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
- 328
- +4 vs. Q2 2025
- Shares held
- 74.1M
- +3.81M (+5.4%) vs. Q2 2025
- Total value
- $5.65B
- +$1.65B (+41.2%) vs. Q2 2025
- New holders
- 43
- 144 more added
- Sold out
- 39
- 96 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,453,675 | $720.5M | 0.01% | +157,388+1.7% | Added |
| Vanguard Group Inc | 7,483,869 | $570.3M | 0.01% | +95,015+1.3% | Added |
| Beck Mack & Oliver LLC | 3,276,774 | $249.7M | 4.54% | +13,633+0.4% | Added |
| RTW Investments, LP | 2,815,544 | $214.6M | 2.64% | +125,200+4.7% | Added |
| State Street Corp | 2,537,717 | $193.4M | 0.01% | +55,476+2.2% | Added |
| Price T Rowe Associates Inc | 2,071,146 | $157.8M | 0.02% | +1,924,549+1,312.8% | Added |
| Allspring Global Investments Holdings, LLC | 1,743,100 | $135.9M | 0.22% | −58,459−3.2% | Reduced |
| Geode Capital Management, LLC | 1,664,888 | $126.9M | 0.01% | +24,700+1.5% | Added |
| JB Capital Partners LP | 1,424,061 | $108.5M | 18.36% | −50,000−3.4% | Reduced |
| Ameriprise Financial Inc | 1,413,734 | $107.7M | 0.02% | +19,182+1.4% | Added |
| Dimensional Fund Advisors LP | 1,377,720 | $105.0M | 0.02% | −30,018−2.1% | Reduced |
| Hood River Capital Management LLC | 1,371,294 | $104.5M | 1.23% | −5,848−0.4% | Reduced |
| American Century Companies Inc | 1,263,501 | $96.3M | 0.05% | −60,652−4.6% | Reduced |
| Invesco Ltd. | 1,262,869 | $96.2M | 0.02% | −366,824−22.5% | Reduced |
| Clearbridge Investments, LLC | 1,186,060 | $90.4M | 0.07% | −21,292−1.8% | Reduced |
| Alyeska Investment Group, L.P. | 1,152,293 | $87.8M | 0.27% | +296,392+34.6% | Added |
| Principal Financial Group Inc | 1,141,837 | $87.0M | 0.04% | −79,700−6.5% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,071,786 | $81.7M | 0.05% | −267,890−20.0% | Reduced |
| Goldman Sachs Group Inc | 1,045,144 | $79.7M | 0.01% | +215,400+26.0% | Added |
| Rockefeller Capital Management L.P. | 877,066 | $66.8M | 0.13% | −213,223−19.6% | Reduced |
| Polar Capital Holdings Plc | 832,214 | $63.4M | 0.31% | +832,214 | New |
| Van Berkom & Associates Inc. | 823,582 | $62.8M | 1.82% | +817,808+14,163.6% | Added |
| Bamco Inc | 810,066 | $61.7M | 0.16% | +660.0% | Added |
| Loomis Sayles & Co L P | 778,209 | $59.3M | 0.07% | −20,090−2.5% | Reduced |
| Northern Trust Corp | 756,395 | $57.6M | 0.01% | +19,474+2.6% | Added |
| Charles Schwab Investment Management Inc | 741,038 | $56.5M | 0.01% | +84,824+12.9% | Added |
| Morgan Stanley | 731,901 | $55.8M | 0.00% | −104,385−12.5% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 705,659 | $53.8M | 0.18% | +705,659 | New |
| Global Alpha Capital Management Ltd. | 702,758 | $53.6M | 3.06% | +75,200+12.0% | Added |
| Punch & Associates Investment Management, Inc. | 649,378 | $49.5M | 2.87% | −47,897−6.9% | Reduced |
| Emerald Advisers, LLC | 642,167 | $48.9M | 1.57% | −30,189−4.5% | Reduced |
| Franklin Resources Inc | 557,034 | $42.5M | 0.01% | +4,721+0.9% | Added |
| Silvercrest Asset Management Group LLC | 551,291 | $42.0M | 0.28% | +2,315+0.4% | Added |
| Nuveen, LLC | 536,540 | $40.9M | 0.01% | −2420.0% | Reduced |
| UBS Asset Management Americas Inc | 536,190 | $40.9M | 0.01% | +110,734+26.0% | Added |
| Falcon Edge Capital, LP | 533,279 | $40.6M | 4.12% | +145,802+37.6% | Added |
| Westfield Capital Management Co LP | 525,820 | $40.1M | 0.17% | +525,820 | New |
| Voya Investment Management LLC | 490,408 | $37.4M | 0.04% | −403−0.1% | Reduced |
| Fred Alger Management, LLC | 490,267 | $37.4M | 0.15% | +164,842+50.7% | Added |
| Royal Bank of Canada | 490,151 | $37.4M | 0.01% | −19,894−3.9% | Reduced |
| Deutsche Bank AG | 486,390 | $37.1M | 0.01% | +5,374+1.1% | Added |
| Penserra Capital Management LLC | 479,077 | $36.5M | 0.44% | +144,897+43.4% | Added |
| Wellington Management Group LLP | 464,189 | $35.4M | 0.01% | −59,969−11.4% | Reduced |
| Neuberger Berman Group LLC | 456,855 | $34.8M | 0.03% | +170,261+59.4% | Added |
| Bessemer Group Inc | 443,309 | $33.8M | 0.05% | +68,962+18.4% | Added |
| Raymond James Financial Inc | 434,737 | $33.1M | 0.01% | −65,834−13.2% | Reduced |
| Toroso Investments, LLC | 433,562 | $33.0M | 0.14% | −92,888−17.6% | Reduced |
| Bank of New York Mellon Corp | 426,445 | $32.5M | 0.01% | +392+0.1% | Added |
| Bank of America Corp | 376,059 | $28.7M | 0.00% | +1020.0% | Added |
| Emerald Mutual Fund Advisers Trust | 372,780 | $28.4M | 1.47% | −50,766−12.0% | Reduced |
| Segall Bryant & Hamill, LLC | 368,934 | $28.1M | 0.37% | +49,527+15.5% | Added |
| Jennison Associates LLC | 360,204 | $27.5M | 0.02% | +108,441+43.1% | Added |
| UBS Group AG | 346,782 | $26.4M | 0.01% | +91,645+35.9% | Added |
| Marshall Wace, LLP | 310,227 | $23.6M | 0.03% | +290,213+1,450.0% | Added |
| Integral Health Asset Management, LLC | 300,000 | $22.9M | 1.67% | −100,000−25.0% | Reduced |
| Penn Capital Management Co Inc | 282,888 | $21.6M | 1.66% | +1,632+0.6% | Added |
| WCM Investment Management, LLC | 285,778 | $21.3M | 0.04% | +70,244+32.6% | Added |
| Public Sector Pension Investment Board | 269,994 | $20.6M | 0.08% | +44,913+20.0% | Added |
| Freestone Grove Partners LP | 269,342 | $20.5M | 0.15% | +269,342 | New |
| SEI Investments Co | 265,689 | $20.2M | 0.02% | −4,662−1.7% | Reduced |
| Picton Mahoney Asset Management | 258,120 | $19.7M | 0.25% | −4,829−1.8% | Reduced |
| New York State Common Retirement Fund | 247,479 | $18.9M | 0.02% | −13,532−5.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 229,270 | $17.5M | 0.03% | −173,880−43.1% | Reduced |
| Portolan Capital Management, LLC | 226,669 | $17.3M | 0.93% | −114,686−33.6% | Reduced |
| Whittier Trust Co | 218,841 | $17.0M | 0.19% | +3,896+1.8% | Added |
| Axiom Investors LLC | 201,910 | $15.4M | 0.11% | +92,370+84.3% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 196,594 | $15.0M | 0.06% | 00.0% | Unchanged |
| Rhumbline Advisers | 188,026 | $14.3M | 0.01% | +2,189+1.2% | Added |
| Robotti Robert | 186,171 | $14.2M | 2.46% | −3,275−1.7% | Reduced |
| Palisade Capital Management LLC | 179,954 | $13.7M | 0.37% | −1,859−1.0% | Reduced |
| Legal & General Group Plc | 178,853 | $13.6M | 0.00% | +652+0.4% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 178,481 | $13.6M | 0.22% | +178,481 | New |
| Agf Management Ltd | 166,098 | $12.7M | 0.06% | +32,461+24.3% | Added |
| Victory Capital Management Inc | 146,819 | $11.2M | 0.01% | −126,631−46.3% | Reduced |
| Cerity Partners LLC | 146,696 | $11.2M | 0.02% | −2,722−1.8% | Reduced |
| Envestnet Asset Management Inc | 128,596 | $9.80M | 0.00% | −2,788−2.1% | Reduced |
| Swiss National Bank | 126,600 | $9.65M | 0.01% | +6,400+5.3% | Added |
| Royce & Associates LP | 124,859 | $9.52M | 0.09% | −8,730−6.5% | Reduced |
| Harbor Capital Advisors, Inc. | 124,390 | $9.48M | 0.74% | −304,051−71.0% | Reduced |
| Pier Capital, LLC | 122,046 | $9.30M | 1.45% | −4,010−3.2% | Reduced |
| Citadel Advisors LLC | 120,873 | $9.21M | 0.01% | +62,631+107.5% | Added |
| Alliancebernstein L.P. | 118,950 | $9.07M | 0.00% | −9,801−7.6% | Reduced |
| Whittier Trust Co of Nevada Inc | 115,160 | $8.94M | 0.19% | +452+0.4% | Added |
| Sequoia Financial Advisors, LLC | 112,965 | $8.61M | 0.05% | +159+0.1% | Added |
| Citigroup Inc | 107,273 | $8.18M | 0.01% | −165,835−60.7% | Reduced |
| Jane Street Group, LLC | 98,700 | $7.52M | 0.01% | +31,719+47.4% | Added |
| Mairs & Power Inc | 97,483 | $7.43M | 0.07% | +39,752+68.9% | Added |
| Barclays PLC | 96,542 | $7.36M | 0.00% | −32,895−25.4% | Reduced |
| First Eagle Investment Management, LLC | 89,536 | $6.82M | 0.01% | +37,493+72.0% | Added |
| JPMorgan Chase & Co | 76,138 | $5.80M | 0.00% | −4,490−5.6% | Reduced |
| Wells Fargo & Company | 74,974 | $5.71M | 0.00% | +6,784+9.9% | Added |
| AXA Investment Managers S.A. | 72,909 | $5.56M | 0.01% | +72,909 | New |
| State of Wisconsin Investment Board | 71,622 | $5.46M | 0.01% | +10,446+17.1% | Added |
| Great West Life Assurance Co | 72,781 | $5.43M | 0.01% | +2,762+3.9% | Added |
| Prudential Financial Inc | 69,232 | $5.28M | 0.01% | +392+0.6% | Added |
| D.A. Davidson & Co. | 68,575 | $5.23M | 0.03% | +68,575 | New |
| California State Teachers Retirement System | 61,949 | $4.72M | 0.00% | +3,614+6.2% | Added |
| Comerica Bank | 61,496 | $4.69M | 0.02% | +37,869+160.3% | Added |
| Russell Investments Group, Ltd. | 60,437 | $4.61M | 0.01% | −35,807−37.2% | Reduced |
| Pathstone Holdings, LLC | 59,529 | $4.54M | 0.02% | +6,844+13.0% | Added |