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, Q4 2021
Institutional positions in RadNet, Inc. as of Dec 31, 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
- 171
- −6 vs. Q3 2021
- Shares held
- 36.1M
- +769.6K (+2.2%) vs. Q3 2021
- Total value
- $1.08B
- +$50.1M (+4.8%) vs. Q3 2021
- New holders
- 21
- 60 more added
- Sold out
- 27
- 57 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Yousif Capital Management, LLC | 42,274 | $1.27M | 0.01% | +42,274 | New |
| UBS Asset Management Americas Inc | 43,098 | $1.30M | 0.00% | +1,085+2.6% | Added |
| Prudential Financial Inc | 46,951 | $1.41M | 0.00% | −873−1.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 50,300 | $1.51M | 0.01% | −9,500−15.9% | Reduced |
| Ancora Advisors, LLC | 51,260 | $1.54M | 0.04% | +1,340+2.7% | Added |
| Paradigm Capital Management Inc | 52,000 | $1.57M | 0.07% | +14,400+38.3% | Added |
| Oberweis Asset Management Inc | 53,600 | $1.61M | 0.29% | 00.0% | Unchanged |
| PointState Capital LP | 55,000 | $1.66M | 0.05% | −25,000−31.3% | Reduced |
| White Pine Capital LLC | 57,700 | $1.74M | 0.51% | +296+0.5% | Added |
| New York State Common Retirement Fund | 59,614 | $1.79M | 0.00% | −98−0.2% | Reduced |
| California State Teachers Retirement System | 63,022 | $1.90M | 0.00% | +1,924+3.1% | Added |
| Alliancebernstein L.P. | 63,074 | $1.90M | 0.00% | −14,261−18.4% | Reduced |
| Barclays PLC | 63,119 | $1.90M | 0.00% | +22,609+55.8% | Added |
| Wells Fargo & Company | 69,414 | $2.09M | 0.00% | +22,756+48.8% | Added |
| Bridge City Capital, LLC | 74,865 | $2.25M | 0.93% | −210.0% | Reduced |
| Verition Fund Management LLC | 77,536 | $2.33M | 0.03% | +77,536 | New |
| Keybank National Association | 88,575 | $2.67M | 0.01% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 90,340 | $2.72M | 0.01% | +960+1.1% | Added |
| Parametric Portfolio Associates LLC | 92,810 | $2.79M | 0.00% | +29,354+46.3% | Added |
| Two Sigma Advisers, LP | 95,500 | $2.88M | 0.01% | −51,800−35.2% | Reduced |
| Raymond James Trust N.A. | 96,559 | $2.91M | 0.09% | +96,559 | New |
| Swiss National Bank | 98,900 | $2.98M | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 102,398 | $3.08M | 0.00% | +7,184+7.5% | Added |
| Rhumbline Advisers | 105,522 | $3.18M | 0.00% | −3,657−3.3% | Reduced |
| Tamarack Advisers, LP | 110,000 | $3.31M | 1.37% | −80,000−42.1% | Reduced |
| Legal & General Group Plc | 111,891 | $3.37M | 0.00% | +5,771+5.4% | Added |
| Citigroup Inc | 112,197 | $3.38M | 0.00% | +3,097+2.8% | Added |
| Putnam Investments LLC | 117,620 | $3.54M | 0.01% | −21,157−15.2% | Reduced |
| Hillsdale Investment Management Inc. | 119,542 | $3.60M | 0.24% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 131,500 | $3.96M | 0.02% | +52,750+67.0% | Added |
| Bank of America Corp | 131,609 | $3.96M | 0.00% | +23,202+21.4% | Added |
| Cheyne Capital Management (UK) LLP | 136,127 | $4.10M | 2.67% | −38,611−22.1% | Reduced |
| First Trust Advisors LP | 149,992 | $4.52M | 0.00% | +149,992 | New |
| Woodline Partners LP | 209,062 | $6.29M | 0.09% | +45,151+27.5% | Added |
| Morgan Stanley | 221,887 | $6.68M | 0.00% | −90,908−29.1% | Reduced |
| Royce & Associates LP | 222,005 | $6.68M | 0.05% | −22,782−9.3% | Reduced |
| Russell Investments Group, Ltd. | 232,072 | $6.99M | 0.01% | −3,483−1.5% | Reduced |
| Voce Capital Management LLC | 237,305 | $7.14M | 2.54% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 248,846 | $7.49M | 0.00% | +64,829+35.2% | Added |
| Panagora Asset Management Inc | 265,762 | $8.00M | 0.04% | −3,540−1.3% | Reduced |
| JPMorgan Chase & Co | 271,547 | $8.18M | 0.00% | +135,631+99.8% | Added |
| Robotti Robert | 313,145 | $9.43M | 1.91% | −4,905−1.5% | Reduced |
| Charles Schwab Investment Management Inc | 317,209 | $9.55M | 0.00% | +6,311+2.0% | Added |
| Pier Capital, LLC | 324,822 | $9.78M | 1.03% | +7,077+2.2% | Added |
| Principal Financial Group Inc | 337,147 | $10.2M | 0.01% | +26,607+8.6% | Added |
| Driehaus Capital Management LLC | 340,707 | $10.3M | 0.10% | −16,765−4.7% | Reduced |
| Candriam Luxembourg S.C.A. | 346,675 | $10.4M | 0.07% | +10,464+3.1% | Added |
| Invesco Ltd. | 350,693 | $10.6M | 0.00% | +7,397+2.2% | Added |
| Nuveen Asset Management, LLC | 402,617 | $10.8M | 0.00% | −27,078−6.3% | Reduced |
| Point72 Asset Management, L.P. | 375,000 | $11.3M | 0.05% | −57,100−13.2% | Reduced |
| Goldman Sachs Group Inc | 384,623 | $11.6M | 0.00% | −31,991−7.7% | Reduced |
| Bank of New York Mellon Corp | 389,093 | $11.7M | 0.00% | +12,001+3.2% | Added |
| Advantage Alpha Capital Partners LP | 394,561 | $11.9M | 1.69% | +105,234+36.4% | Added |
| Assenagon Asset Management S.A. | 397,065 | $12.0M | 0.04% | +154,275+63.5% | Added |
| Northern Trust Corp | 510,262 | $15.4M | 0.00% | −6,843−1.3% | Reduced |
| Deutsche Bank AG | 515,736 | $15.5M | 0.01% | +827+0.2% | Added |
| Punch & Associates Investment Management, Inc. | 726,380 | $21.9M | 1.15% | +1,492+0.2% | Added |
| Geode Capital Management, LLC | 782,957 | $23.6M | 0.00% | +21,054+2.8% | Added |
| Silvercrest Asset Management Group LLC | 799,436 | $24.1M | 0.15% | +68,046+9.3% | Added |
| FMR LLC | 821,901 | $24.7M | 0.00% | +42,570+5.5% | Added |
| Renaissance Technologies LLC | 878,570 | $26.5M | 0.03% | −221,800−20.2% | Reduced |
| Global Alpha Capital Management Ltd. | 963,712 | $29.0M | 2.81% | +190,570+24.6% | Added |
| Edmond de Rothschild Holding S.A. | 1,072,670 | $32.3M | 0.70% | +330,090+44.5% | Added |
| American Century Companies Inc | 1,132,093 | $34.1M | 0.02% | +538,951+90.9% | Added |
| State Street Corp | 1,445,135 | $43.5M | 0.00% | −91,543−6.0% | Reduced |
| Dimensional Fund Advisors LP | 1,489,521 | $44.8M | 0.01% | −23,365−1.5% | Reduced |
| JB Capital Partners LP | 2,093,711 | $63.0M | 13.35% | 00.0% | Unchanged |
| Beck Mack & Oliver LLC | 2,535,205 | $76.3M | 1.82% | +435,717+20.8% | Added |
| Vanguard Group Inc | 3,145,333 | $94.7M | 0.00% | +37,534+1.2% | Added |
| BlackRock Inc. | 6,410,361 | $193.0M | 0.00% | −74,181−1.1% | Reduced |
| Sofos Investments, Inc. | 750 | – | – | +640+581.8% | Added |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −194,015−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −159,463−100.0% | Sold out |
| CastleArk Alternatives, LLC | 0 | $0 | 0.00% | −159,463−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −113,737−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −29,200−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −28,000−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −25,360−100.0% | Sold out |
| ClariVest Asset Management LLC | 0 | $0 | 0.00% | −24,300−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −14,703−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −12,513−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −12,105−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −11,874−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −10,960−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −9,554−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −8,491−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −7,855−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −7,350−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −5,600−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −4,907−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −4,518−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −2,662−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,254−100.0% | Sold out |
| Glen Eagle Advisors, LLC | 0 | $0 | 0.00% | −450−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −335−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −61−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Kowal Investment Group, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Marshall Wace North America L.P. | – | – | – | – | Not filed |
| Wealth Quarterback LLC | – | – | – | – | Not filed |