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 2024
Institutional positions in RadNet, Inc. as of Mar 31, 2024. 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
- 277
- +64 vs. Q4 2023
- Shares held
- 59.8M
- +6.62M (+12.4%) vs. Q4 2023
- Total value
- $2.91B
- +$1.06B (+57.6%) vs. Q4 2023
- New holders
- 79
- 90 more added
- Sold out
- 15
- 73 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HighTower Advisors, LLC | 8,602 | $422.0K | 0.00% | +2,613+43.6% | Added |
| Scientech Research LLC | 9,263 | $450.7K | 0.24% | −374−3.9% | Reduced |
| Summit Financial, LLC | 9,356 | $455.3K | 0.03% | +9,356 | New |
| Handelsbanken Fonder AB | 9,400 | $457.0K | 0.00% | 00.0% | Unchanged |
| Navellier & Associates Inc | 9,491 | $461.8K | 0.06% | +333+3.6% | Added |
| Y-Intercept (Hong Kong) Ltd | 9,544 | $464.4K | 0.03% | −4,203−30.6% | Reduced |
| Sowell Financial Services LLC | 10,622 | $517.0K | 0.02% | −29−0.3% | Reduced |
| State of Wisconsin Investment Board | 11,076 | $539.0K | 0.00% | +5,291+91.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 22,583 | $541.1K | 0.00% | −4,412−16.3% | Reduced |
| Mutual of America Capital Management LLC | 11,232 | $546.5K | 0.01% | +656+6.2% | Added |
| Amundi | 11,543 | $549.6K | 0.00% | +3,599+45.3% | Added |
| Everence Capital Management Inc | 11,320 | $551.0K | 0.04% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 11,377 | $553.6K | 0.00% | −4,350−27.7% | Reduced |
| Brave Asset Management Inc | 11,791 | $573.8K | 0.15% | 00.0% | Unchanged |
| ProShare Advisors LLC | 12,252 | $596.2K | 0.00% | +940+8.3% | Added |
| Axq Capital, LP | 12,336 | $600.3K | 0.14% | +5,554+81.9% | Added |
| Natixis Advisors, L.P. | 13,843 | $674.0K | 0.00% | +2,054+17.4% | Added |
| UniSuper Management Pty Ltd | 14,026 | $682.5K | 0.01% | +14,026 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,080 | $685.1K | 0.00% | +1,040+8.0% | Added |
| TD Asset Management Inc | 14,948 | $727.4K | 0.00% | +14,948 | New |
| Fisher Asset Management, LLC | 15,138 | $736.6K | 0.00% | +15,138 | New |
| Capstone Investment Advisors, LLC | 15,240 | $741.6K | 0.01% | +7,659+101.0% | Added |
| Royal Bank of Canada | 15,604 | $759.0K | 0.00% | −24,230−60.8% | Reduced |
| Arizona State Retirement System | 15,860 | $771.7K | 0.01% | −1,191−7.0% | Reduced |
| Dynamic Technology Lab Private Ltd | 16,540 | $805.0K | 0.09% | +8,289+100.5% | Added |
| Occudo Quantitative Strategies LP | 16,757 | $815.4K | 0.14% | +16,757 | New |
| Oregon Public Employees Retirement Fund | 17,586 | $855.7K | 0.02% | −100−0.6% | Reduced |
| New York State Teachers Retirement System | 18,955 | $922.0K | 0.00% | 00.0% | Unchanged |
| Virtue Capital Management, LLC | 19,348 | $937.8K | 0.17% | −884−4.4% | Reduced |
| Hanseatic Management Services Inc | 19,615 | $954.5K | 1.45% | +619+3.3% | Added |
| Voya Investment Management LLC | 19,722 | $959.7K | 0.00% | −4,078−17.1% | Reduced |
| Steel Peak Wealth Management LLC | 20,000 | $973.2K | 0.05% | 00.0% | Unchanged |
| Westmount Partners, LLC | 20,000 | $973.2K | 0.35% | 00.0% | Unchanged |
| Bamco Inc | 20,000 | $973.2K | 0.00% | +20,000 | New |
| Amalgamated Bank | 20,429 | $994.0K | 0.01% | −5,245−20.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,108 | $1.03M | 0.00% | +7,751+58.0% | Added |
| Quadrature Capital Ltd | 21,559 | $1.05M | 0.02% | +21,559 | New |
| Maryland State Retirement & Pension System | 23,494 | $1.12M | 0.02% | +1,532+7.0% | Added |
| Federation des caisses Desjardins du Quebec | 32,324 | $1.12M | 0.01% | 00.0% | Unchanged |
| Jackson Creek Investment Advisors LLC | 23,253 | $1.13M | 0.40% | +23,253 | New |
| D. E. Shaw & Co., Inc. | 24,511 | $1.19M | 0.00% | +24,511 | New |
| Comerica Bank | 25,344 | $1.23M | 0.01% | −2,485−8.9% | Reduced |
| Nebula Research & Development LLC | 26,321 | $1.28M | 0.28% | +19,514+286.7% | Added |
| Illinois Municipal Retirement Fund | 27,006 | $1.31M | 0.02% | −5,397−16.7% | Reduced |
| Semanteon Capital Management, LP | 27,490 | $1.34M | 0.85% | +27,490 | New |
| Yousif Capital Management, LLC | 27,558 | $1.34M | 0.01% | −3,653−11.7% | Reduced |
| State of Tennessee, Treasury Department | 28,364 | $1.38M | 0.01% | −7,359−20.6% | Reduced |
| Chartwell Investment Partners, LLC | 28,740 | $1.40M | 0.05% | +685+2.4% | Added |
| Louisiana State Employees Retirement System | 29,900 | $1.45M | 0.03% | −300−1.0% | Reduced |
| Jane Street Group, LLC | 30,119 | $1.47M | 0.00% | −29,164−49.2% | Reduced |
| Miracle Mile Advisors, LLC | 30,271 | $1.47M | 0.04% | 00.0% | Unchanged |
| Norges Bank | 31,000 | $1.51M | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 31,100 | $1.51M | 0.00% | −109,970−78.0% | Reduced |
| MetLife Investment Management | 31,361 | $1.53M | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 31,709 | $1.54M | 0.00% | −11,137−26.0% | Reduced |
| Ensign Peak Advisors, Inc | 31,806 | $1.55M | 0.00% | −1,604−4.8% | Reduced |
| Assenagon Asset Management S.A. | 31,812 | $1.55M | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 32,716 | $1.59M | 0.01% | −69−0.2% | Reduced |
| Two Sigma Investments, LP | 33,118 | $1.61M | 0.00% | −5,498−14.2% | Reduced |
| Manufacturers Life Insurance Company, The | 33,399 | $1.63M | 0.00% | +3,535+11.8% | Added |
| Portland Investment Counsel Inc. | 34,500 | $1.68M | 0.94% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 35,054 | $1.71M | 0.00% | +2,222+6.8% | Added |
| Raymond James Trust N.A. | 36,505 | $1.78M | 0.04% | −18,221−33.3% | Reduced |
| Lido Advisors, LLC | 37,191 | $1.81M | 0.02% | −10.0% | Reduced |
| Roubaix Capital, LLC | 37,658 | $1.83M | 1.16% | +37,658 | New |
| BNP Paribas Arbitrage, SA | 38,161 | $1.86M | 0.00% | +8,623+29.2% | Added |
| Lighthouse Investment Partners, LLC | 38,730 | $1.88M | 0.11% | +38,730 | New |
| State of Alaska, Department of Revenue | 39,872 | $1.94M | 0.02% | +2,697+7.3% | Added |
| Prescott Group Capital Management, L.L.C. | 41,611 | $2.02M | 0.32% | +41,611 | New |
| UBS Group AG | 43,148 | $2.10M | 0.00% | −8,792−16.9% | Reduced |
| White Pine Capital LLC | 48,703 | $2.36M | 0.90% | −12,021−19.8% | Reduced |
| Wells Fargo & Company | 49,197 | $2.39M | 0.00% | −384−0.8% | Reduced |
| Paradigm Capital Management Inc | 50,900 | $2.48M | 0.12% | 00.0% | Unchanged |
| Barclays PLC | 53,835 | $2.62M | 0.00% | −141,629−72.5% | Reduced |
| Harbor Capital Advisors, Inc. | 53,844 | $2.62M | 0.34% | +53,844 | New |
| LMR Partners LLP | 53,844 | $2.62M | 0.07% | +53,844 | New |
| E. Ohman J:or Asset Management AB | 54,041 | $2.63M | 0.07% | −4,659−7.9% | Reduced |
| Macquarie Group Ltd | 54,722 | $2.66M | 0.00% | +54,722 | New |
| Thrivent Financial for Lutherans | 56,563 | $2.75M | 0.01% | +2,718+5.0% | Added |
| Texas Permanent School Fund | 57,063 | $2.78M | 0.02% | +4,864+9.3% | Added |
| California State Teachers Retirement System | 57,973 | $2.82M | 0.00% | −6,656−10.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 58,703 | $2.86M | 0.03% | −2,744−4.5% | Reduced |
| Alberta Investment Management Corp | 59,604 | $2.90M | 0.03% | −19,064−24.2% | Reduced |
| Janus Henderson Group PLC | 64,029 | $3.11M | 0.00% | +33,335+108.6% | Added |
| NewGen Asset Management Ltd | 65,000 | $3.16M | 1.70% | +65,000 | New |
| ExodusPoint Capital Management, LP | 65,667 | $3.19M | 0.04% | +65,667 | New |
| SEI Investments Co | 65,899 | $3.21M | 0.00% | +10,430+18.8% | Added |
| Great West Life Assurance Co | 66,304 | $3.22M | 0.01% | +6,257+10.4% | Added |
| Nwam LLC | 63,374 | $3.33M | 0.27% | +63,374 | New |
| EAM Investors, LLC | 71,617 | $3.48M | 0.55% | −22,839−24.2% | Reduced |
| State of New Jersey Common Pension Fund D | 72,044 | $3.51M | 0.01% | −3,642−4.8% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 77,947 | $3.79M | 0.00% | +77,947 | New |
| Advantage Alpha Capital Partners LP | 78,260 | $3.81M | 0.72% | −25,549−24.6% | Reduced |
| Prudential Financial Inc | 79,988 | $3.89M | 0.01% | +10,678+15.4% | Added |
| Formula Growth Ltd | 84,465 | $4.11M | 1.31% | −350.0% | Reduced |
| Credit Suisse AG | 84,535 | $4.11M | 0.00% | −1,943−2.2% | Reduced |
| JPMorgan Chase & Co | 86,071 | $4.19M | 0.00% | −22,346−20.6% | Reduced |
| Keybank National Association | 88,575 | $4.31M | 0.02% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 89,870 | $4.37M | 0.00% | +34,208+61.5% | Added |
| First Trust Advisors LP | 91,097 | $4.43M | 0.00% | +22,523+32.8% | Added |