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 2021
Institutional positions in RadNet, Inc. as of Sep 30, 2021. 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
- 179
- +10 vs. Q2 2021
- Shares held
- 35.3M
- −361.2K (−1.0%) vs. Q2 2021
- Total value
- $1.04B
- −$167.3M (−13.9%) vs. Q2 2021
- New holders
- 26
- 56 more added
- Sold out
- 16
- 70 more reduced
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 6,484,542 | $190.1M | 0.01% | −6,439−0.1% | Reduced |
| Vanguard Group Inc | 3,107,799 | $91.1M | 0.00% | +155,026+5.3% | Added |
| Beck Mack & Oliver LLC | 2,099,488 | $61.5M | 1.60% | +10,879+0.5% | Added |
| JB Capital Partners LP | 2,093,711 | $61.4M | 13.86% | −74,500−3.4% | Reduced |
| State Street Corp | 1,536,678 | $45.0M | 0.00% | +95,983+6.7% | Added |
| Dimensional Fund Advisors LP | 1,512,886 | $44.3M | 0.01% | +8,958+0.6% | Added |
| Renaissance Technologies LLC | 1,100,370 | $32.3M | 0.04% | −107,200−8.9% | Reduced |
| FMR LLC | 779,331 | $22.8M | 0.00% | −86,140−10.0% | Reduced |
| Global Alpha Capital Management Ltd. | 773,142 | $22.7M | 2.52% | −8,440−1.1% | Reduced |
| Geode Capital Management, LLC | 761,903 | $22.3M | 0.00% | +14,303+1.9% | Added |
| Edmond de Rothschild Holding S.A. | 742,580 | $21.8M | 0.50% | +468,590+171.0% | Added |
| Silvercrest Asset Management Group LLC | 731,390 | $21.4M | 0.14% | −191,969−20.8% | Reduced |
| Punch & Associates Investment Management, Inc. | 724,888 | $21.2M | 1.22% | −51,418−6.6% | Reduced |
| American Century Companies Inc | 593,142 | $17.4M | 0.01% | −676,051−53.3% | Reduced |
| Northern Trust Corp | 517,105 | $15.2M | 0.00% | −7,837−1.5% | Reduced |
| Deutsche Bank AG | 514,909 | $15.1M | 0.01% | +118,493+29.9% | Added |
| Point72 Asset Management, L.P. | 432,100 | $12.7M | 0.06% | +23,900+5.9% | Added |
| Nuveen Asset Management, LLC | 429,695 | $12.3M | 0.00% | +106,519+33.0% | Added |
| Goldman Sachs Group Inc | 416,614 | $12.2M | 0.00% | −95,776−18.7% | Reduced |
| Bank of New York Mellon Corp | 377,092 | $11.1M | 0.00% | −32,938−8.0% | Reduced |
| Driehaus Capital Management LLC | 357,472 | $10.5M | 0.12% | +117,868+49.2% | Added |
| Invesco Ltd. | 343,296 | $10.1M | 0.00% | −31,203−8.3% | Reduced |
| Candriam Luxembourg S.C.A. | 336,211 | $9.85M | 0.07% | +27,000+8.7% | Added |
| Robotti Robert | 318,050 | $9.32M | 2.14% | +410+0.1% | Added |
| Pier Capital, LLC | 317,745 | $9.31M | 0.97% | −7,750−2.4% | Reduced |
| Morgan Stanley | 312,795 | $9.17M | 0.00% | +53,492+20.6% | Added |
| Charles Schwab Investment Management Inc | 310,898 | $9.11M | 0.00% | +8,877+2.9% | Added |
| Principal Financial Group Inc | 310,540 | $9.10M | 0.01% | +709+0.2% | Added |
| Advantage Alpha Capital Partners LP | 289,327 | $8.48M | 1.55% | +4,873+1.7% | Added |
| Panagora Asset Management Inc | 269,302 | $7.89M | 0.04% | −1,231−0.5% | Reduced |
| Royce & Associates LP | 244,787 | $7.17M | 0.05% | −39,918−14.0% | Reduced |
| Assenagon Asset Management S.A. | 242,790 | $7.12M | 0.03% | −187,162−43.5% | Reduced |
| Voce Capital Management LLC | 237,305 | $6.96M | 2.52% | +18,677+8.5% | Added |
| Russell Investments Group, Ltd. | 235,555 | $6.90M | 0.01% | −59,728−20.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 194,015 | $5.69M | 0.01% | −55,815−22.3% | Reduced |
| Tamarack Advisers, LP | 190,000 | $5.57M | 1.78% | −35,000−15.6% | Reduced |
| Ameriprise Financial Inc | 184,017 | $5.39M | 0.00% | −14,737−7.4% | Reduced |
| Cheyne Capital Management (UK) LLP | 174,738 | $5.12M | 3.06% | +174,738 | New |
| Citadel Advisors LLC | 167,983 | $4.92M | 0.01% | +76,266+83.2% | Added |
| Woodline Partners LP | 163,911 | $4.80M | 0.08% | +105,791+182.0% | Added |
| Castleark Management LLC | 159,463 | $4.67M | 0.18% | +42,908+36.8% | Added |
| CastleArk Alternatives, LLC | 159,463 | $4.67M | 0.18% | +159,463 | New |
| Two Sigma Advisers, LP | 147,300 | $4.32M | 0.01% | +10,000+7.3% | Added |
| Putnam Investments LLC | 138,777 | $4.07M | 0.01% | −23,923−14.7% | Reduced |
| JPMorgan Chase & Co | 135,916 | $3.98M | 0.00% | −189,908−58.3% | Reduced |
| Hillsdale Investment Management Inc. | 119,542 | $3.50M | 0.27% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 113,737 | $3.33M | 0.01% | −15,092−11.7% | Reduced |
| Rhumbline Advisers | 109,179 | $3.20M | 0.00% | −16,041−12.8% | Reduced |
| Citigroup Inc | 109,100 | $3.20M | 0.00% | −260.0% | Reduced |
| Bank of America Corp | 108,407 | $3.18M | 0.00% | +20,483+23.3% | Added |
| Legal & General Group Plc | 106,120 | $3.11M | 0.00% | +9,554+9.9% | Added |
| Swiss National Bank | 98,900 | $2.90M | 0.00% | +2,200+2.3% | Added |
| Victory Capital Management Inc | 95,214 | $2.79M | 0.00% | −21,003−18.1% | Reduced |
| Public Sector Pension Investment Board | 89,380 | $2.62M | 0.02% | 00.0% | Unchanged |
| Bank of Montreal | 88,141 | $2.61M | 0.00% | −4,049−4.4% | Reduced |
| Keybank National Association | 88,575 | $2.60M | 0.01% | 00.0% | Unchanged |
| PointState Capital LP | 80,000 | $2.35M | 0.06% | +20,000+33.3% | Added |
| Rockefeller Capital Management L.P. | 78,750 | $2.31M | 0.01% | +10,250+15.0% | Added |
| Alliancebernstein L.P. | 77,335 | $2.27M | 0.00% | −8,108−9.5% | Reduced |
| Bridge City Capital, LLC | 74,886 | $2.19M | 1.00% | −19,975−21.1% | Reduced |
| Parametric Portfolio Associates LLC | 63,456 | $1.86M | 0.00% | −42,763−40.3% | Reduced |
| California State Teachers Retirement System | 61,098 | $1.79M | 0.00% | −523−0.8% | Reduced |
| Tudor Investment Corp Et Al | 60,414 | $1.77M | 0.04% | +60,414 | New |
| Federation des caisses Desjardins du Quebec | 59,800 | $1.75M | 0.02% | −6,200−9.4% | Reduced |
| New York State Common Retirement Fund | 59,712 | $1.75M | 0.00% | −1,931−3.1% | Reduced |
| White Pine Capital LLC | 57,404 | $1.68M | 0.52% | −200.0% | Reduced |
| Millennium Management LLC | 54,787 | $1.61M | 0.00% | +4,723+9.4% | Added |
| Oberweis Asset Management Inc | 53,600 | $1.57M | 0.33% | −17,800−24.9% | Reduced |
| Cubist Systematic Strategies, LLC | 52,917 | $1.55M | 0.02% | +25,837+95.4% | Added |
| Ancora Advisors, LLC | 49,920 | $1.46M | 0.04% | +2,600+5.5% | Added |
| Prudential Financial Inc | 47,824 | $1.40M | 0.00% | −700−1.4% | Reduced |
| Wells Fargo & Company | 46,658 | $1.37M | 0.00% | +22,095+90.0% | Added |
| Comerica Bank | 39,951 | $1.26M | 0.01% | −874−2.1% | Reduced |
| PDT Partners, LLC | 42,741 | $1.25M | 0.09% | +21,651+102.7% | Added |
| UBS Group AG | 42,732 | $1.25M | 0.00% | +40,015+1,472.8% | Added |
| BNP Paribas Arbitrage, SA | 42,656 | $1.25M | 0.00% | +27,255+177.0% | Added |
| State Board of Administration of Florida Retirement System | 42,250 | $1.24M | 0.00% | +4,521+12.0% | Added |
| Susquehanna Fundamental Investments, LLC | 42,064 | $1.23M | 0.02% | +42,064 | New |
| UBS Asset Management Americas Inc | 42,013 | $1.23M | 0.00% | +530+1.3% | Added |
| Barclays PLC | 40,510 | $1.19M | 0.00% | +8,214+25.4% | Added |
| Great West Life Assurance Co | 38,562 | $1.14M | 0.00% | +1,369+3.7% | Added |
| Paradigm Capital Management Inc | 37,600 | $1.10M | 0.06% | 00.0% | Unchanged |
| Lido Advisors, LLC | 37,539 | $1.10M | 0.02% | +4,519+13.7% | Added |
| Norges Bank | 36,300 | $1.06M | 0.00% | +36,300 | New |
| Thrivent Financial for Lutherans | 35,651 | $1.04M | 0.00% | −107−0.3% | Reduced |
| Credit Suisse AG | 34,156 | $1.00M | 0.00% | −5,443−13.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 33,441 | $980.0K | 0.01% | −126−0.4% | Reduced |
| Texas Permanent School Fund | 32,626 | $956.0K | 0.01% | +29+0.1% | Added |
| State of Alaska, Department of Revenue | 32,163 | $942.0K | 0.01% | +1,902+6.3% | Added |
| Miracle Mile Advisors, LLC | 31,546 | $925.0K | 0.04% | −20,359−39.2% | Reduced |
| Voloridge Investment Management, LLC | 30,858 | $904.0K | 0.01% | +30,858 | New |
| Campbell & CO Investment Adviser LLC | 29,200 | $856.0K | 0.28% | +29,200 | New |
| American International Group, Inc. | 28,407 | $833.0K | 0.00% | −562−1.9% | Reduced |
| Canada Pension Plan Investment Board | 28,000 | $821.0K | 0.00% | +28,000 | New |
| Belpointe Asset Management LLC | 27,265 | $799.0K | 0.05% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 27,016 | $792.0K | 0.00% | −1,146−4.1% | Reduced |
| Marshall Wace North America L.P. | 26,254 | $770.0K | 0.00% | +26,254 | New |
| Calamos Advisors LLC | 25,360 | $743.0K | 0.00% | −35,560−58.4% | Reduced |
| State of Tennessee, Treasury Department | 24,895 | $731.0K | 0.00% | −4,566−15.5% | Reduced |
| ClariVest Asset Management LLC | 24,300 | $713.0K | 0.02% | −200−0.8% | Reduced |