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, Q2 2021
Institutional positions in RadNet, Inc. as of Jun 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
- 169
- +27 vs. Q1 2021
- Shares held
- 35.7M
- +550.9K (+1.6%) vs. Q1 2021
- Total value
- $1.20B
- +$438.2M (+57.3%) vs. Q1 2021
- New holders
- 38
- 58 more added
- Sold out
- 11
- 50 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Woodline Partners LP | 58,120 | $1.96M | 0.04% | +58,120 | New |
| PointState Capital LP | 60,000 | $2.02M | 0.05% | +60,000 | New |
| Calamos Advisors LLC | 60,920 | $2.05M | 0.01% | +60,920 | New |
| California State Teachers Retirement System | 61,621 | $2.08M | 0.00% | −4,001−6.1% | Reduced |
| New York State Common Retirement Fund | 61,643 | $2.08M | 0.00% | +2,184+3.7% | Added |
| White Pine Capital LLC | 57,424 | $2.11M | 0.63% | −1,633−2.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 66,000 | $2.22M | 0.02% | −10,400−13.6% | Reduced |
| Rockefeller Capital Management L.P. | 68,500 | $2.31M | 0.01% | −200−0.3% | Reduced |
| Oberweis Asset Management Inc | 71,400 | $2.40M | 0.53% | +9,400+15.2% | Added |
| Alliancebernstein L.P. | 85,443 | $2.88M | 0.00% | +29,588+53.0% | Added |
| EAM Global Investors LLC | 87,686 | $2.95M | 0.82% | +87,686 | New |
| Bank of America Corp | 87,924 | $2.96M | 0.00% | −55,490−38.7% | Reduced |
| Keybank National Association | 88,575 | $2.98M | 0.01% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 89,380 | $3.01M | 0.02% | −30,805−25.6% | Reduced |
| Citadel Advisors LLC | 91,717 | $3.09M | 0.00% | +34,805+61.2% | Added |
| Bank of Montreal | 92,190 | $3.17M | 0.00% | +25,458+38.1% | Added |
| Bridge City Capital, LLC | 94,861 | $3.20M | 1.09% | −3,250−3.3% | Reduced |
| Legal & General Group Plc | 96,566 | $3.25M | 0.00% | −26,759−21.7% | Reduced |
| Swiss National Bank | 96,700 | $3.26M | 0.00% | −3,600−3.6% | Reduced |
| Parametric Portfolio Associates LLC | 106,219 | $3.58M | 0.00% | +48,840+85.1% | Added |
| Citigroup Inc | 109,126 | $3.68M | 0.00% | +19,322+21.5% | Added |
| Ikarian Capital, LLC | 110,647 | $3.73M | 0.67% | +110,647 | New |
| Victory Capital Management Inc | 116,217 | $3.92M | 0.00% | −5,663−4.6% | Reduced |
| Castleark Management LLC | 116,555 | $3.93M | 0.13% | +116,555 | New |
| Hillsdale Investment Management Inc. | 119,542 | $4.03M | 0.32% | +119,542 | New |
| Rhumbline Advisers | 125,220 | $4.22M | 0.01% | −2,870−2.2% | Reduced |
| EAM Investors, LLC | 127,109 | $4.28M | 0.66% | +127,109 | New |
| Two Sigma Investments, LP | 128,829 | $4.34M | 0.01% | +27,681+27.4% | Added |
| Two Sigma Advisers, LP | 137,300 | $4.63M | 0.01% | −17,800−11.5% | Reduced |
| Putnam Investments LLC | 162,700 | $5.48M | 0.01% | −8,500−5.0% | Reduced |
| Ameriprise Financial Inc | 198,754 | $6.70M | 0.00% | −1,856−0.9% | Reduced |
| Voce Capital Management LLC | 218,628 | $7.37M | 2.64% | +17,837+8.9% | Added |
| Tamarack Advisers, LP | 225,000 | $7.58M | 2.17% | −460,000−67.2% | Reduced |
| Driehaus Capital Management LLC | 239,604 | $8.07M | 0.11% | +239,604 | New |
| Arrowstreet Capital, Limited Partnership | 249,830 | $8.42M | 0.01% | +61,672+32.8% | Added |
| Morgan Stanley | 259,303 | $8.74M | 0.00% | +44,659+20.8% | Added |
| Panagora Asset Management Inc | 270,533 | $9.11M | 0.05% | −3,668−1.3% | Reduced |
| Edmond de Rothschild Holding S.A. | 273,990 | $9.23M | 0.21% | +273,990 | New |
| Advantage Alpha Capital Partners LP | 284,454 | $9.58M | 1.85% | +9,688+3.5% | Added |
| Royce & Associates LP | 284,705 | $9.59M | 0.07% | −10,300−3.5% | Reduced |
| Russell Investments Group, Ltd. | 295,283 | $9.95M | 0.02% | −171,326−36.7% | Reduced |
| Charles Schwab Investment Management Inc | 302,021 | $10.2M | 0.00% | +9,228+3.2% | Added |
| Candriam Luxembourg S.C.A. | 309,211 | $10.4M | 0.07% | +309,211 | New |
| Principal Financial Group Inc | 309,831 | $10.4M | 0.01% | −5,713−1.8% | Reduced |
| Robotti Robert | 317,640 | $10.7M | 2.69% | +5,430+1.7% | Added |
| Nuveen Asset Management, LLC | 323,176 | $10.9M | 0.00% | +150,711+87.4% | Added |
| Pier Capital, LLC | 325,495 | $11.0M | 1.10% | +325,495 | New |
| JPMorgan Chase & Co | 325,824 | $11.0M | 0.00% | +109,385+50.5% | Added |
| Invesco Ltd. | 374,499 | $12.6M | 0.00% | +58,551+18.5% | Added |
| Deutsche Bank AG | 396,416 | $13.4M | 0.01% | +866+0.2% | Added |
| Point72 Asset Management, L.P. | 408,200 | $13.8M | 0.07% | +43,100+11.8% | Added |
| Bank of New York Mellon Corp | 410,030 | $13.8M | 0.00% | −8,327−2.0% | Reduced |
| Assenagon Asset Management S.A. | 429,952 | $14.5M | 0.06% | +178,447+71.0% | Added |
| Goldman Sachs Group Inc | 512,390 | $17.3M | 0.00% | +97,821+23.6% | Added |
| Northern Trust Corp | 524,942 | $17.7M | 0.00% | −7,720−1.4% | Reduced |
| Geode Capital Management, LLC | 747,600 | $25.2M | 0.00% | +36,461+5.1% | Added |
| Punch & Associates Investment Management, Inc. | 776,306 | $26.2M | 1.48% | +107,277+16.0% | Added |
| Global Alpha Capital Management Ltd. | 781,582 | $26.3M | 2.85% | −113,230−12.7% | Reduced |
| FMR LLC | 865,471 | $29.2M | 0.00% | −106,820−11.0% | Reduced |
| Silvercrest Asset Management Group LLC | 923,359 | $31.1M | 0.20% | +5,680+0.6% | Added |
| Renaissance Technologies LLC | 1,207,570 | $40.7M | 0.05% | −100,500−7.7% | Reduced |
| American Century Companies Inc | 1,269,193 | $42.8M | 0.03% | +101,658+8.7% | Added |
| State Street Corp | 1,440,695 | $48.5M | 0.00% | +50,970+3.7% | Added |
| Dimensional Fund Advisors LP | 1,503,928 | $50.7M | 0.02% | +13,734+0.9% | Added |
| Beck Mack & Oliver LLC | 2,088,609 | $70.4M | 1.87% | +20,700+1.0% | Added |
| JB Capital Partners LP | 2,168,211 | $73.0M | 17.48% | −1,153,510−34.7% | Reduced |
| Vanguard Group Inc | 2,952,773 | $99.5M | 0.00% | +61,023+2.1% | Added |
| BlackRock Inc. | 6,490,981 | $218.7M | 0.01% | −57,695−0.9% | Reduced |
| Sofos Investments, Inc. | 126 | – | – | +116+1,160.0% | Added |
| First Trust Advisors LP | 0 | $0 | 0.00% | −105,741−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −88,500−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −85,928−100.0% | Sold out |
| Dalton Greiner Hartman Maher & Co | 0 | $0 | 0.00% | −66,726−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −32,951−100.0% | Sold out |
| ETF Managers Group, LLC | 0 | $0 | 0.00% | −30,563−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −27,257−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −24,823−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −13,652−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −12,302−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −87−100.0% | Sold out |