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 |
|---|---|---|---|---|---|
| Natixis Advisors, L.P. | 36,962 | $2.82M | 0.00% | +7,014+23.4% | Added |
| Lido Advisors, LLC | 37,300 | $2.84M | 0.01% | +36+0.1% | Added |
| White Pine Capital LLC | 37,758 | $2.88M | 0.82% | +160.0% | Added |
| Formula Growth Ltd | 38,189 | $2.91M | 1.04% | −15,000−28.2% | Reduced |
| State of Alaska, Department of Revenue | 38,836 | $2.96M | 0.03% | −452−1.2% | Reduced |
| MetLife Investment Management | 39,664 | $3.02M | 0.01% | +411+1.0% | Added |
| Deerfield Management Company, L.P. (Series C) | 39,913 | $3.04M | 0.05% | +38,407+2,550.3% | Added |
| Squarepoint Ops LLC | 40,487 | $3.09M | 0.01% | +26,082+181.1% | Added |
| Prescott Group Capital Management, L.L.C. | 41,611 | $3.17M | 0.33% | 00.0% | Unchanged |
| Portland Investment Counsel Inc. | 42,000 | $3.20M | 0.88% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 42,022 | $3.20M | 0.12% | +42,022 | New |
| Sterling Capital Management LLC | 42,049 | $3.20M | 0.05% | +12,088+40.3% | Added |
| First Light Asset Management, LLC | 42,280 | $3.22M | 0.30% | −26,414−38.5% | Reduced |
| LPL Financial LLC | 42,698 | $3.25M | 0.00% | −5,522−11.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 43,821 | $3.34M | 0.03% | −644−1.4% | Reduced |
| Knights of Columbus Asset Advisors LLC | 44,505 | $3.39M | 0.19% | +1,467+3.4% | Added |
| Intech Investment Management LLC | 45,455 | $3.46M | 0.03% | −2,188−4.6% | Reduced |
| Roubaix Capital, LLC | 46,439 | $3.54M | 1.65% | −35,545−43.4% | Reduced |
| Advantage Alpha Capital Partners LP | 47,553 | $3.62M | 1.09% | −17,974−27.4% | Reduced |
| Manufacturers Life Insurance Company, The | 47,869 | $3.65M | 0.00% | +10,714+28.8% | Added |
| Thrivent Financial for Lutherans | 49,941 | $3.81M | 0.01% | +1,391+2.9% | Added |
| Rhenman & Partners Asset Management AB | 50,000 | $3.81M | 0.42% | +4,000+8.7% | Added |
| Gilder Gagnon Howe & Co LLC | 52,420 | $3.99M | 0.04% | +12,858+32.5% | Added |
| TD Asset Management Inc | 52,648 | $4.01M | 0.00% | +10,366+24.5% | Added |
| Paradigm Capital Management Inc | 54,700 | $4.17M | 0.18% | +5,100+10.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 55,004 | $4.19M | 0.01% | +8,737+18.9% | Added |
| Rathbone Brothers plc | 57,006 | $4.34M | 0.02% | −12,500−18.0% | Reduced |
| Hilton Capital Management, LLC | 58,637 | $4.47M | 0.36% | +2,965+5.3% | Added |
| Pathstone Holdings, LLC | 59,529 | $4.54M | 0.02% | +6,844+13.0% | Added |
| Russell Investments Group, Ltd. | 60,437 | $4.61M | 0.01% | −35,807−37.2% | Reduced |
| Comerica Bank | 61,496 | $4.69M | 0.02% | +37,869+160.3% | Added |
| California State Teachers Retirement System | 61,949 | $4.72M | 0.00% | +3,614+6.2% | Added |
| D.A. Davidson & Co. | 68,575 | $5.23M | 0.03% | +68,575 | New |
| Prudential Financial Inc | 69,232 | $5.28M | 0.01% | +392+0.6% | Added |
| Great West Life Assurance Co | 72,781 | $5.43M | 0.01% | +2,762+3.9% | Added |
| State of Wisconsin Investment Board | 71,622 | $5.46M | 0.01% | +10,446+17.1% | Added |
| AXA Investment Managers S.A. | 72,909 | $5.56M | 0.01% | +72,909 | New |
| Wells Fargo & Company | 74,974 | $5.71M | 0.00% | +6,784+9.9% | Added |
| JPMorgan Chase & Co | 76,138 | $5.80M | 0.00% | −4,490−5.6% | Reduced |
| First Eagle Investment Management, LLC | 89,536 | $6.82M | 0.01% | +37,493+72.0% | Added |
| Barclays PLC | 96,542 | $7.36M | 0.00% | −32,895−25.4% | Reduced |
| Mairs & Power Inc | 97,483 | $7.43M | 0.07% | +39,752+68.9% | Added |
| Jane Street Group, LLC | 98,700 | $7.52M | 0.01% | +31,719+47.4% | Added |
| Citigroup Inc | 107,273 | $8.18M | 0.01% | −165,835−60.7% | Reduced |
| Sequoia Financial Advisors, LLC | 112,965 | $8.61M | 0.05% | +159+0.1% | Added |
| Whittier Trust Co of Nevada Inc | 115,160 | $8.94M | 0.19% | +452+0.4% | Added |
| Alliancebernstein L.P. | 118,950 | $9.07M | 0.00% | −9,801−7.6% | Reduced |
| Citadel Advisors LLC | 120,873 | $9.21M | 0.01% | +62,631+107.5% | Added |
| Pier Capital, LLC | 122,046 | $9.30M | 1.45% | −4,010−3.2% | Reduced |
| Harbor Capital Advisors, Inc. | 124,390 | $9.48M | 0.74% | −304,051−71.0% | Reduced |
| Royce & Associates LP | 124,859 | $9.52M | 0.09% | −8,730−6.5% | Reduced |
| Swiss National Bank | 126,600 | $9.65M | 0.01% | +6,400+5.3% | Added |
| Envestnet Asset Management Inc | 128,596 | $9.80M | 0.00% | −2,788−2.1% | Reduced |
| Cerity Partners LLC | 146,696 | $11.2M | 0.02% | −2,722−1.8% | Reduced |
| Victory Capital Management Inc | 146,819 | $11.2M | 0.01% | −126,631−46.3% | Reduced |
| Agf Management Ltd | 166,098 | $12.7M | 0.06% | +32,461+24.3% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 178,481 | $13.6M | 0.22% | +178,481 | New |
| Legal & General Group Plc | 178,853 | $13.6M | 0.00% | +652+0.4% | Added |
| Palisade Capital Management LLC | 179,954 | $13.7M | 0.37% | −1,859−1.0% | Reduced |
| Robotti Robert | 186,171 | $14.2M | 2.46% | −3,275−1.7% | Reduced |
| Rhumbline Advisers | 188,026 | $14.3M | 0.01% | +2,189+1.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 196,594 | $15.0M | 0.06% | 00.0% | Unchanged |
| Axiom Investors LLC | 201,910 | $15.4M | 0.11% | +92,370+84.3% | Added |
| Whittier Trust Co | 218,841 | $17.0M | 0.19% | +3,896+1.8% | Added |
| Portolan Capital Management, LLC | 226,669 | $17.3M | 0.93% | −114,686−33.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 229,270 | $17.5M | 0.03% | −173,880−43.1% | Reduced |
| New York State Common Retirement Fund | 247,479 | $18.9M | 0.02% | −13,532−5.2% | Reduced |
| Picton Mahoney Asset Management | 258,120 | $19.7M | 0.25% | −4,829−1.8% | Reduced |
| SEI Investments Co | 265,689 | $20.2M | 0.02% | −4,662−1.7% | Reduced |
| Freestone Grove Partners LP | 269,342 | $20.5M | 0.15% | +269,342 | New |
| Public Sector Pension Investment Board | 269,994 | $20.6M | 0.08% | +44,913+20.0% | Added |
| WCM Investment Management, LLC | 285,778 | $21.3M | 0.04% | +70,244+32.6% | Added |
| Penn Capital Management Co Inc | 282,888 | $21.6M | 1.66% | +1,632+0.6% | Added |
| Integral Health Asset Management, LLC | 300,000 | $22.9M | 1.67% | −100,000−25.0% | Reduced |
| Marshall Wace, LLP | 310,227 | $23.6M | 0.03% | +290,213+1,450.0% | Added |
| UBS Group AG | 346,782 | $26.4M | 0.01% | +91,645+35.9% | Added |
| Jennison Associates LLC | 360,204 | $27.5M | 0.02% | +108,441+43.1% | Added |
| Segall Bryant & Hamill, LLC | 368,934 | $28.1M | 0.37% | +49,527+15.5% | Added |
| Emerald Mutual Fund Advisers Trust | 372,780 | $28.4M | 1.47% | −50,766−12.0% | Reduced |
| Bank of America Corp | 376,059 | $28.7M | 0.00% | +1020.0% | Added |
| Bank of New York Mellon Corp | 426,445 | $32.5M | 0.01% | +392+0.1% | Added |
| Toroso Investments, LLC | 433,562 | $33.0M | 0.14% | −92,888−17.6% | Reduced |
| Raymond James Financial Inc | 434,737 | $33.1M | 0.01% | −65,834−13.2% | Reduced |
| Bessemer Group Inc | 443,309 | $33.8M | 0.05% | +68,962+18.4% | Added |
| Neuberger Berman Group LLC | 456,855 | $34.8M | 0.03% | +170,261+59.4% | Added |
| Wellington Management Group LLP | 464,189 | $35.4M | 0.01% | −59,969−11.4% | Reduced |
| Penserra Capital Management LLC | 479,077 | $36.5M | 0.44% | +144,897+43.4% | Added |
| Deutsche Bank AG | 486,390 | $37.1M | 0.01% | +5,374+1.1% | Added |
| Royal Bank of Canada | 490,151 | $37.4M | 0.01% | −19,894−3.9% | Reduced |
| Fred Alger Management, LLC | 490,267 | $37.4M | 0.15% | +164,842+50.7% | Added |
| Voya Investment Management LLC | 490,408 | $37.4M | 0.04% | −403−0.1% | Reduced |
| Westfield Capital Management Co LP | 525,820 | $40.1M | 0.17% | +525,820 | New |
| Falcon Edge Capital, LP | 533,279 | $40.6M | 4.12% | +145,802+37.6% | Added |
| UBS Asset Management Americas Inc | 536,190 | $40.9M | 0.01% | +110,734+26.0% | Added |
| Nuveen, LLC | 536,540 | $40.9M | 0.01% | −2420.0% | Reduced |
| Silvercrest Asset Management Group LLC | 551,291 | $42.0M | 0.28% | +2,315+0.4% | Added |
| Franklin Resources Inc | 557,034 | $42.5M | 0.01% | +4,721+0.9% | Added |
| Emerald Advisers, LLC | 642,167 | $48.9M | 1.57% | −30,189−4.5% | Reduced |
| Punch & Associates Investment Management, Inc. | 649,378 | $49.5M | 2.87% | −47,897−6.9% | Reduced |
| Global Alpha Capital Management Ltd. | 702,758 | $53.6M | 3.06% | +75,200+12.0% | Added |