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, Q1 2023
Institutional positions in RadNet, Inc. as of Mar 31, 2023. 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
- 152
- +8 vs. Q4 2022
- Shares held
- 40.0M
- +458.1K (+1.2%) vs. Q4 2022
- Total value
- $1.00B
- +$256.7M (+34.5%) vs. Q4 2022
- New holders
- 21
- 47 more added
- Sold out
- 13
- 54 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Assenagon Asset Management S.A. | 83,554 | $2.09M | 0.01% | −441,873−84.1% | Reduced |
| Public Sector Pension Investment Board | 85,752 | $2.15M | 0.02% | −3,541−4.0% | Reduced |
| Keybank National Association | 88,575 | $2.22M | 0.01% | 00.0% | Unchanged |
| Victory Capital Management Inc | 90,960 | $2.28M | 0.00% | −7,333−7.5% | Reduced |
| Raymond James Trust N.A. | 91,335 | $2.29M | 0.07% | −540−0.6% | Reduced |
| Citigroup Inc | 103,589 | $2.59M | 0.00% | −6,793−6.2% | Reduced |
| Swiss National Bank | 111,400 | $2.79M | 0.00% | −13,200−10.6% | Reduced |
| Alberta Investment Management Corp | 113,294 | $2.84M | 0.03% | +24,086+27.0% | Added |
| Two Sigma Advisers, LP | 117,200 | $2.93M | 0.01% | +8,300+7.6% | Added |
| Legal & General Group Plc | 122,426 | $3.06M | 0.00% | +3,090+2.6% | Added |
| Nuveen Asset Management, LLC | 129,201 | $3.23M | 0.00% | −112,581−46.6% | Reduced |
| Rhumbline Advisers | 150,516 | $3.77M | 0.00% | +8,081+5.7% | Added |
| Citadel Advisors LLC | 151,343 | $3.79M | 0.00% | +103,252+214.7% | Added |
| Rockefeller Capital Management L.P. | 156,000 | $3.90M | 0.02% | −22,517−12.6% | Reduced |
| Bank of America Corp | 159,684 | $4.00M | 0.00% | +12,912+8.8% | Added |
| Cerity Partners LLC | 174,093 | $4.66M | 0.02% | +174,093 | New |
| Putnam Investments LLC | 200,075 | $5.01M | 0.01% | −1,163−0.6% | Reduced |
| Tamarack Advisers, LP | 211,500 | $5.29M | 4.04% | +111,500+111.5% | Added |
| Ameriprise Financial Inc | 240,780 | $6.03M | 0.00% | −6,383−2.6% | Reduced |
| JPMorgan Chase & Co | 245,487 | $6.14M | 0.00% | +119,126+94.3% | Added |
| Millennium Management LLC | 275,055 | $6.88M | 0.01% | +258,577+1,569.2% | Added |
| Morgan Stanley | 283,683 | $7.10M | 0.00% | +4,890+1.8% | Added |
| Advantage Alpha Capital Partners LP | 298,296 | $7.47M | 1.56% | −110,068−27.0% | Reduced |
| Principal Financial Group Inc | 299,253 | $7.49M | 0.01% | −7,207−2.4% | Reduced |
| Robotti Robert | 300,156 | $7.51M | 1.32% | −10,284−3.3% | Reduced |
| Sectoral Asset Management Inc | 312,933 | $7.83M | 1.51% | +16,000+5.4% | Added |
| Invesco Ltd. | 315,636 | $7.90M | 0.00% | −32,178−9.3% | Reduced |
| Pier Capital, LLC | 323,205 | $8.09M | 1.23% | −118,959−26.9% | Reduced |
| Voce Capital Management LLC | 363,315 | $9.09M | 13.61% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 394,585 | $9.88M | 0.00% | −11,490−2.8% | Reduced |
| Rubric Capital Management LP | 405,419 | $10.1M | 0.40% | +405,419 | New |
| Royce & Associates LP | 454,205 | $11.4M | 0.11% | −12,700−2.7% | Reduced |
| Renaissance Technologies LLC | 488,870 | $12.2M | 0.02% | −54,100−10.0% | Reduced |
| Woodline Partners LP | 500,739 | $12.5M | 0.18% | +1,798+0.4% | Added |
| Charles Schwab Investment Management Inc | 507,544 | $12.7M | 0.00% | +14,967+3.0% | Added |
| Northern Trust Corp | 537,199 | $13.4M | 0.00% | +10,825+2.1% | Added |
| Point72 Asset Management, L.P. | 545,600 | $13.7M | 0.05% | −20,330−3.6% | Reduced |
| Deutsche Bank AG | 562,434 | $14.1M | 0.01% | −50,679−8.3% | Reduced |
| Silvercrest Asset Management Group LLC | 724,440 | $18.1M | 0.14% | +39,640+5.8% | Added |
| American Century Companies Inc | 870,609 | $21.8M | 0.02% | +191,427+28.2% | Added |
| Goldman Sachs Group Inc | 910,416 | $22.8M | 0.01% | −192,619−17.5% | Reduced |
| Geode Capital Management, LLC | 964,859 | $24.2M | 0.00% | +32,556+3.5% | Added |
| Punch & Associates Investment Management, Inc. | 1,075,209 | $26.9M | 1.73% | −12,627−1.2% | Reduced |
| Global Alpha Capital Management Ltd. | 1,554,254 | $38.9M | 3.53% | +34,960+2.3% | Added |
| Dimensional Fund Advisors LP | 1,565,026 | $39.2M | 0.01% | +27,498+1.8% | Added |
| State Street Corp | 1,818,175 | $45.5M | 0.00% | −19,172−1.0% | Reduced |
| JB Capital Partners LP | 2,127,211 | $53.2M | 13.19% | +33,500+1.6% | Added |
| Edmond de Rothschild Holding S.A. | 2,564,090 | $64.2M | 1.47% | +3,640+0.1% | Added |
| Beck Mack & Oliver LLC | 3,253,013 | $81.4M | 2.35% | +39,619+1.2% | Added |
| Vanguard Group Inc | 3,524,668 | $88.2M | 0.00% | +58,430+1.7% | Added |
| BlackRock Inc. | 6,882,428 | $172.3M | 0.01% | −94,206−1.4% | Reduced |
| Sofos Investments, Inc. | 25 | – | – | +25 | New |
| Cheyne Capital Management (UK) LLP | 0 | $0 | 0.00% | −111,427−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −32,198−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −19,153−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −12,817−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −11,208−100.0% | Sold out |
| Westwood Holdings Group Inc. | 0 | $0 | 0.00% | −10,613−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −10,014−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −2,097−100.0% | Sold out |
| Sutton Wealth Advisors Inc. | 0 | $0 | 0.00% | −472−100.0% | Sold out |
| Retirement Financial Solutions, LLC | 0 | $0 | 0.00% | −375−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Money Concepts Capital Corp | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Comerica Bank | – | – | – | – | Not filed |