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 |
|---|---|---|---|---|---|
| Susquehanna Fundamental Investments, LLC | 42,064 | $1.23M | 0.02% | +42,064 | New |
| State Board of Administration of Florida Retirement System | 42,250 | $1.24M | 0.00% | +4,521+12.0% | Added |
| BNP Paribas Arbitrage, SA | 42,656 | $1.25M | 0.00% | +27,255+177.0% | Added |
| UBS Group AG | 42,732 | $1.25M | 0.00% | +40,015+1,472.8% | Added |
| PDT Partners, LLC | 42,741 | $1.25M | 0.09% | +21,651+102.7% | Added |
| Comerica Bank | 39,951 | $1.26M | 0.01% | −874−2.1% | Reduced |
| Wells Fargo & Company | 46,658 | $1.37M | 0.00% | +22,095+90.0% | Added |
| Prudential Financial Inc | 47,824 | $1.40M | 0.00% | −700−1.4% | Reduced |
| Ancora Advisors, LLC | 49,920 | $1.46M | 0.04% | +2,600+5.5% | Added |
| Cubist Systematic Strategies, LLC | 52,917 | $1.55M | 0.02% | +25,837+95.4% | Added |
| Oberweis Asset Management Inc | 53,600 | $1.57M | 0.33% | −17,800−24.9% | Reduced |
| Millennium Management LLC | 54,787 | $1.61M | 0.00% | +4,723+9.4% | Added |
| White Pine Capital LLC | 57,404 | $1.68M | 0.52% | −200.0% | Reduced |
| New York State Common Retirement Fund | 59,712 | $1.75M | 0.00% | −1,931−3.1% | Reduced |
| Federation des caisses Desjardins du Quebec | 59,800 | $1.75M | 0.02% | −6,200−9.4% | Reduced |
| Tudor Investment Corp Et Al | 60,414 | $1.77M | 0.04% | +60,414 | New |
| California State Teachers Retirement System | 61,098 | $1.79M | 0.00% | −523−0.8% | Reduced |
| Parametric Portfolio Associates LLC | 63,456 | $1.86M | 0.00% | −42,763−40.3% | Reduced |
| Bridge City Capital, LLC | 74,886 | $2.19M | 1.00% | −19,975−21.1% | Reduced |
| Alliancebernstein L.P. | 77,335 | $2.27M | 0.00% | −8,108−9.5% | Reduced |
| Rockefeller Capital Management L.P. | 78,750 | $2.31M | 0.01% | +10,250+15.0% | Added |
| PointState Capital LP | 80,000 | $2.35M | 0.06% | +20,000+33.3% | Added |
| Keybank National Association | 88,575 | $2.60M | 0.01% | 00.0% | Unchanged |
| Bank of Montreal | 88,141 | $2.61M | 0.00% | −4,049−4.4% | Reduced |
| Public Sector Pension Investment Board | 89,380 | $2.62M | 0.02% | 00.0% | Unchanged |
| Victory Capital Management Inc | 95,214 | $2.79M | 0.00% | −21,003−18.1% | Reduced |
| Swiss National Bank | 98,900 | $2.90M | 0.00% | +2,200+2.3% | Added |
| Legal & General Group Plc | 106,120 | $3.11M | 0.00% | +9,554+9.9% | Added |
| Bank of America Corp | 108,407 | $3.18M | 0.00% | +20,483+23.3% | Added |
| Citigroup Inc | 109,100 | $3.20M | 0.00% | −260.0% | Reduced |
| Rhumbline Advisers | 109,179 | $3.20M | 0.00% | −16,041−12.8% | Reduced |
| Two Sigma Investments, LP | 113,737 | $3.33M | 0.01% | −15,092−11.7% | Reduced |
| Hillsdale Investment Management Inc. | 119,542 | $3.50M | 0.27% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 135,916 | $3.98M | 0.00% | −189,908−58.3% | Reduced |
| Putnam Investments LLC | 138,777 | $4.07M | 0.01% | −23,923−14.7% | Reduced |
| Two Sigma Advisers, LP | 147,300 | $4.32M | 0.01% | +10,000+7.3% | 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 |
| Woodline Partners LP | 163,911 | $4.80M | 0.08% | +105,791+182.0% | Added |
| Citadel Advisors LLC | 167,983 | $4.92M | 0.01% | +76,266+83.2% | Added |
| Cheyne Capital Management (UK) LLP | 174,738 | $5.12M | 3.06% | +174,738 | New |
| Ameriprise Financial Inc | 184,017 | $5.39M | 0.00% | −14,737−7.4% | Reduced |
| Tamarack Advisers, LP | 190,000 | $5.57M | 1.78% | −35,000−15.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 194,015 | $5.69M | 0.01% | −55,815−22.3% | Reduced |
| Russell Investments Group, Ltd. | 235,555 | $6.90M | 0.01% | −59,728−20.2% | Reduced |
| Voce Capital Management LLC | 237,305 | $6.96M | 2.52% | +18,677+8.5% | Added |
| Assenagon Asset Management S.A. | 242,790 | $7.12M | 0.03% | −187,162−43.5% | Reduced |
| Royce & Associates LP | 244,787 | $7.17M | 0.05% | −39,918−14.0% | Reduced |
| Panagora Asset Management Inc | 269,302 | $7.89M | 0.04% | −1,231−0.5% | Reduced |
| Advantage Alpha Capital Partners LP | 289,327 | $8.48M | 1.55% | +4,873+1.7% | Added |
| Principal Financial Group Inc | 310,540 | $9.10M | 0.01% | +709+0.2% | Added |
| Charles Schwab Investment Management Inc | 310,898 | $9.11M | 0.00% | +8,877+2.9% | Added |
| Morgan Stanley | 312,795 | $9.17M | 0.00% | +53,492+20.6% | Added |
| Pier Capital, LLC | 317,745 | $9.31M | 0.97% | −7,750−2.4% | Reduced |
| Robotti Robert | 318,050 | $9.32M | 2.14% | +410+0.1% | Added |
| Candriam Luxembourg S.C.A. | 336,211 | $9.85M | 0.07% | +27,000+8.7% | Added |
| Invesco Ltd. | 343,296 | $10.1M | 0.00% | −31,203−8.3% | Reduced |
| Driehaus Capital Management LLC | 357,472 | $10.5M | 0.12% | +117,868+49.2% | Added |
| Bank of New York Mellon Corp | 377,092 | $11.1M | 0.00% | −32,938−8.0% | Reduced |
| Goldman Sachs Group Inc | 416,614 | $12.2M | 0.00% | −95,776−18.7% | Reduced |
| Nuveen Asset Management, LLC | 429,695 | $12.3M | 0.00% | +106,519+33.0% | Added |
| Point72 Asset Management, L.P. | 432,100 | $12.7M | 0.06% | +23,900+5.9% | Added |
| Deutsche Bank AG | 514,909 | $15.1M | 0.01% | +118,493+29.9% | Added |
| Northern Trust Corp | 517,105 | $15.2M | 0.00% | −7,837−1.5% | Reduced |
| American Century Companies Inc | 593,142 | $17.4M | 0.01% | −676,051−53.3% | Reduced |
| Punch & Associates Investment Management, Inc. | 724,888 | $21.2M | 1.22% | −51,418−6.6% | Reduced |
| Silvercrest Asset Management Group LLC | 731,390 | $21.4M | 0.14% | −191,969−20.8% | Reduced |
| Edmond de Rothschild Holding S.A. | 742,580 | $21.8M | 0.50% | +468,590+171.0% | Added |
| Geode Capital Management, LLC | 761,903 | $22.3M | 0.00% | +14,303+1.9% | Added |
| Global Alpha Capital Management Ltd. | 773,142 | $22.7M | 2.52% | −8,440−1.1% | Reduced |
| FMR LLC | 779,331 | $22.8M | 0.00% | −86,140−10.0% | Reduced |
| Renaissance Technologies LLC | 1,100,370 | $32.3M | 0.04% | −107,200−8.9% | Reduced |
| Dimensional Fund Advisors LP | 1,512,886 | $44.3M | 0.01% | +8,958+0.6% | Added |
| State Street Corp | 1,536,678 | $45.0M | 0.00% | +95,983+6.7% | Added |
| JB Capital Partners LP | 2,093,711 | $61.4M | 13.86% | −74,500−3.4% | Reduced |
| Beck Mack & Oliver LLC | 2,099,488 | $61.5M | 1.60% | +10,879+0.5% | Added |
| Vanguard Group Inc | 3,107,799 | $91.1M | 0.00% | +155,026+5.3% | Added |
| BlackRock Inc. | 6,484,542 | $190.1M | 0.01% | −6,439−0.1% | Reduced |
| Sofos Investments, Inc. | 110 | – | – | −16−12.7% | Reduced |
| EAM Investors, LLC | 0 | $0 | 0.00% | −127,109−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −110,647−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −87,686−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −37,185−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −35,598−100.0% | Sold out |
| SummerHaven Investment Management, LLC | 0 | $0 | 0.00% | −27,668−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −20,819−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −8,958−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −8,092−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −7,610−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −7,353−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −6,126−100.0% | Sold out |
| Arkadios Wealth Advisors | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Sutton Wealth Advisors Inc. | 0 | $0 | 0.00% | −361−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |