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 |
|---|---|---|---|---|---|
| Hilton Capital Management, LLC | 58,637 | $4.47M | 0.36% | +2,965+5.3% | Added |
| Rathbone Brothers plc | 57,006 | $4.34M | 0.02% | −12,500−18.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 55,004 | $4.19M | 0.01% | +8,737+18.9% | Added |
| Paradigm Capital Management Inc | 54,700 | $4.17M | 0.18% | +5,100+10.3% | Added |
| TD Asset Management Inc | 52,648 | $4.01M | 0.00% | +10,366+24.5% | Added |
| Gilder Gagnon Howe & Co LLC | 52,420 | $3.99M | 0.04% | +12,858+32.5% | Added |
| Rhenman & Partners Asset Management AB | 50,000 | $3.81M | 0.42% | +4,000+8.7% | Added |
| Thrivent Financial for Lutherans | 49,941 | $3.81M | 0.01% | +1,391+2.9% | Added |
| Manufacturers Life Insurance Company, The | 47,869 | $3.65M | 0.00% | +10,714+28.8% | Added |
| Advantage Alpha Capital Partners LP | 47,553 | $3.62M | 1.09% | −17,974−27.4% | Reduced |
| Roubaix Capital, LLC | 46,439 | $3.54M | 1.65% | −35,545−43.4% | Reduced |
| Intech Investment Management LLC | 45,455 | $3.46M | 0.03% | −2,188−4.6% | Reduced |
| Knights of Columbus Asset Advisors LLC | 44,505 | $3.39M | 0.19% | +1,467+3.4% | Added |
| Teachers Retirement System of the State of Kentucky | 43,821 | $3.34M | 0.03% | −644−1.4% | Reduced |
| LPL Financial LLC | 42,698 | $3.25M | 0.00% | −5,522−11.5% | Reduced |
| First Light Asset Management, LLC | 42,280 | $3.22M | 0.30% | −26,414−38.5% | Reduced |
| Sterling Capital Management LLC | 42,049 | $3.20M | 0.05% | +12,088+40.3% | Added |
| Dark Forest Capital Management LP | 42,022 | $3.20M | 0.12% | +42,022 | New |
| Portland Investment Counsel Inc. | 42,000 | $3.20M | 0.88% | 00.0% | Unchanged |
| Prescott Group Capital Management, L.L.C. | 41,611 | $3.17M | 0.33% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 40,487 | $3.09M | 0.01% | +26,082+181.1% | Added |
| Deerfield Management Company, L.P. (Series C) | 39,913 | $3.04M | 0.05% | +38,407+2,550.3% | Added |
| MetLife Investment Management | 39,664 | $3.02M | 0.01% | +411+1.0% | Added |
| State of Alaska, Department of Revenue | 38,836 | $2.96M | 0.03% | −452−1.2% | Reduced |
| Formula Growth Ltd | 38,189 | $2.91M | 1.04% | −15,000−28.2% | Reduced |
| White Pine Capital LLC | 37,758 | $2.88M | 0.82% | +160.0% | Added |
| Lido Advisors, LLC | 37,300 | $2.84M | 0.01% | +36+0.1% | Added |
| Natixis Advisors, L.P. | 36,962 | $2.82M | 0.00% | +7,014+23.4% | Added |
| F/M Investments LLC | 36,841 | $2.81M | 0.11% | −21,738−37.1% | Reduced |
| Scotia Capital Inc. | 36,269 | $2.76M | 0.01% | +286+0.8% | Added |
| Illinois Municipal Retirement Fund | 35,580 | $2.71M | 0.03% | +711+2.0% | Added |
| Creative Planning | 33,859 | $2.58M | 0.00% | +9,267+37.7% | Added |
| Oak Ridge Investments LLC | 33,819 | $2.58M | 0.17% | −257−0.8% | Reduced |
| Two Sigma Investments, LP | 33,655 | $2.56M | 0.00% | −12,029−26.3% | Reduced |
| E. Ohman J:or Asset Management AB | 33,302 | $2.54M | 0.06% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 32,725 | $2.49M | 0.01% | +32,725 | New |
| Verition Fund Management LLC | 32,237 | $2.46M | 0.01% | −8,725−21.3% | Reduced |
| Louisiana State Employees Retirement System | 31,800 | $2.42M | 0.04% | +1,000+3.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 31,733 | $2.42M | 0.00% | −4,731−13.0% | Reduced |
| State of New Jersey Common Pension Fund D | 31,002 | $2.36M | 0.01% | −2,175−6.6% | Reduced |
| New York State Teachers Retirement System | 30,855 | $2.35M | 0.00% | +10,700+53.1% | Added |
| Zions Bancorporation, National Association | 30,570 | $2.33M | 0.12% | −4,511−12.9% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 29,748 | $2.27M | 0.02% | +6,513+28.0% | Added |
| Keybank National Association | 28,725 | $2.19M | 0.01% | −64,311−69.1% | Reduced |
| US Bancorp | 28,350 | $2.16M | 0.00% | +23,507+485.4% | Added |
| Janus Henderson Group PLC | 27,987 | $2.13M | 0.00% | +2,300+9.0% | Added |
| Brookwood Investment Group LLC | 27,265 | $2.08M | 0.27% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 26,766 | $2.04M | 0.01% | +17,711+195.6% | Added |
| Steel Peak Wealth Management LLC | 25,100 | $1.91M | 0.06% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 24,951 | $1.90M | 0.01% | +4,159+20.0% | Added |
| Federation des caisses Desjardins du Quebec | 23,224 | $1.77M | 0.01% | +2,200+10.5% | Added |
| Yousif Capital Management, LLC | 21,959 | $1.67M | 0.02% | −3,233−12.8% | Reduced |
| One Capital Management, LLC | 21,354 | $1.63M | 0.05% | +8,036+60.3% | Added |
| Future Fund LLC | 21,354 | $1.63M | 0.57% | +8,036+60.3% | Added |
| Westmount Partners, LLC | 20,000 | $1.56M | 0.40% | 00.0% | Unchanged |
| Amalgamated Bank | 19,939 | $1.52M | 0.01% | +1,119+5.9% | Added |
| Arizona State Retirement System | 19,326 | $1.47M | 0.01% | +968+5.3% | Added |
| Millennium Management LLC | 19,199 | $1.46M | 0.00% | −310,406−94.2% | Reduced |
| GWM Advisors LLC | 19,002 | $1.45M | 0.01% | +1,164+6.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 18,982 | $1.45M | 0.01% | +3,804+25.1% | Added |
| Expect Equity LLC | 17,632 | $1.34M | 1.31% | +2,400+15.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 17,629 | $1.34M | 0.01% | +677+4.0% | Added |
| EFG Asset Management (North America) Corp. | 17,057 | $1.30M | 0.17% | +17,057 | New |
| State Board of Administration of Florida Retirement System | 16,991 | $1.29M | 0.00% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 16,500 | $1.26M | 0.00% | 00.0% | Unchanged |
| Northwest & Ethical Investments L.P. | 16,553 | $1.24M | 0.03% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 15,579 | $1.19M | 0.02% | +400+2.6% | Added |
| Y-Intercept (Hong Kong) Ltd | 15,170 | $1.16M | 0.03% | +10,668+237.0% | Added |
| BNP Paribas Arbitrage, SA | 15,163 | $1.16M | 0.00% | +8,171+116.9% | Added |
| Summit Wealth Group LLC | 26,420 | $1.15M | 0.16% | +26,420 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,058 | $1.07M | 0.00% | +2,535+22.0% | Added |
| KLP Kapitalforvaltning AS | 14,000 | $1.07M | 0.00% | +800+6.1% | Added |
| Wealth Enhancement Advisory Services, LLC | 13,272 | $1.03M | 0.00% | +894+7.2% | Added |
| StoneX Group Inc. | 13,437 | $1.02M | 0.04% | +13,437 | New |
| AQR Capital Management LLC | 13,285 | $1.01M | 0.00% | +1,281+10.7% | Added |
| ProShare Advisors LLC | 12,883 | $981.8K | 0.00% | −1,957−13.2% | Reduced |
| Summit Financial, LLC | 12,397 | $944.8K | 0.01% | +957+8.4% | Added |
| Ensign Peak Advisors, Inc | 12,306 | $937.8K | 0.00% | −8,750−41.6% | Reduced |
| Brave Asset Management Inc | 11,791 | $898.6K | 0.22% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 10,925 | $832.6K | 0.00% | −299−2.7% | Reduced |
| ISAM Funds (UK) Ltd | 10,273 | $782.9K | 0.16% | +5,104+98.7% | Added |
| Sectoral Asset Management Inc | 10,000 | $762.1K | 0.47% | −2,500−20.0% | Reduced |
| Maryland State Retirement & Pension System | 9,952 | $758.4K | 0.02% | −9,452−48.7% | Reduced |
| Guidance Capital, Inc | 9,089 | $758.1K | 0.20% | +174+2.0% | Added |
| Pictet Asset Management Holding SA | 9,802 | $747.0K | 0.00% | +331+3.5% | Added |
| Omers Administration Corp | 8,900 | $678.3K | 0.00% | +8,900 | New |
| Teacher Retirement System of Texas | 8,548 | $651.4K | 0.00% | −1,010−10.6% | Reduced |
| Winton Group Ltd | 8,500 | $647.8K | 0.02% | +8,500 | New |
| Oppenheimer Asset Management Inc. | 8,071 | $615.1K | 0.01% | +2,067+34.4% | Added |
| Steigerwald, Gordon & Koch Inc. | 7,975 | $607.8K | 0.06% | −2,200−21.6% | Reduced |
| Neo Ivy Capital Management | 7,892 | $601.4K | 0.15% | +6,353+412.8% | Added |
| Mutual of America Capital Management LLC | 7,754 | $590.9K | 0.01% | −728−8.6% | Reduced |
| Truist Financial Corp | 7,640 | $582.2K | 0.00% | +687+9.9% | Added |
| FMR LLC | 7,507 | $572.1K | 0.00% | +965+14.8% | Added |
| The PNC Financial Services Group, Inc. | 7,431 | $566.3K | 0.00% | +4,259+134.3% | Added |
| Tiaa Trust, National Association | 7,375 | $562.0K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 7,342 | $559.5K | 0.00% | −2,541−25.7% | Reduced |
| Mercer Global Advisors Inc | 7,322 | $558.0K | 0.00% | +7,322 | New |
| CIBC Bancorp USA Inc. | 7,281 | $554.9K | 0.00% | +7,281 | New |
| Fulton Bank, N.A. | 7,269 | $554.0K | 0.02% | +440+6.4% | Added |