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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 9,258,407 | $450.5M | 0.01% | +364,090+4.1% | Added |
| Vanguard Group Inc | 4,600,539 | $223.9M | 0.00% | +345,822+8.1% | Added |
| Beck Mack & Oliver LLC | 3,353,735 | $163.2M | 3.31% | +123,678+3.8% | Added |
| State Street Corp | 2,333,991 | $113.6M | 0.01% | +112,359+5.1% | Added |
| JB Capital Partners LP | 2,007,211 | $97.7M | 18.40% | −120,000−5.6% | Reduced |
| Dimensional Fund Advisors LP | 1,814,232 | $88.3M | 0.02% | +70,108+4.0% | Added |
| RTW Investments, LP | 1,700,550 | $82.7M | 1.22% | +1,036,948+156.3% | Added |
| Invesco Ltd. | 1,604,251 | $78.1M | 0.02% | +43,485+2.8% | Added |
| Principal Financial Group Inc | 1,442,887 | $70.2M | 0.04% | +152,305+11.8% | Added |
| Geode Capital Management, LLC | 1,413,197 | $68.8M | 0.01% | +85,975+6.5% | Added |
| Millennium Management LLC | 1,082,971 | $52.7M | 0.04% | +344,132+46.6% | Added |
| Hood River Capital Management LLC | 1,071,129 | $52.1M | 1.16% | +77,244+7.8% | Added |
| Global Alpha Capital Management Ltd. | 1,019,934 | $49.6M | 3.69% | +141,830+16.2% | Added |
| Loomis Sayles & Co L P | 988,520 | $48.1M | 0.07% | +282,519+40.0% | Added |
| American Century Companies Inc | 905,939 | $44.1M | 0.03% | −302,809−25.1% | Reduced |
| Falcon Edge Capital, LP | 877,250 | $42.7M | 12.97% | +268,439+44.1% | Added |
| Edmond de Rothschild Holding S.A. | 877,057 | $42.7M | 0.71% | −670,595−43.3% | Reduced |
| Punch & Associates Investment Management, Inc. | 856,699 | $41.7M | 2.37% | −82,565−8.8% | Reduced |
| Goldman Sachs Group Inc | 815,891 | $39.7M | 0.01% | +44,229+5.7% | Added |
| Alyeska Investment Group, L.P. | 779,225 | $37.9M | 0.24% | −392,260−33.5% | Reduced |
| Wellington Management Group LLP | 727,562 | $35.4M | 0.01% | +390+0.1% | Added |
| Adage Capital Partners GP, L.L.C. | 722,956 | $35.2M | 0.07% | +163,563+29.2% | Added |
| Emerald Advisers, LLC | 670,979 | $32.6M | 1.31% | +122,348+22.3% | Added |
| Charles Schwab Investment Management Inc | 637,450 | $31.0M | 0.01% | +31,243+5.2% | Added |
| Northern Trust Corp | 630,199 | $30.7M | 0.01% | −2,394−0.4% | Reduced |
| 8 Knots Management, LLC | 509,247 | $30.0M | 2.90% | +509,247 | New |
| FMR LLC | 595,942 | $29.0M | 0.00% | +591,484+13,267.9% | Added |
| Clearbridge Investments, LLC | 547,004 | $26.6M | 0.02% | +547,004 | New |
| Emerald Mutual Fund Advisers Trust | 528,545 | $25.7M | 1.34% | +83,615+18.8% | Added |
| T. Rowe Price Investment Management, Inc. | 520,682 | $25.3M | 0.02% | +520,682 | New |
| Deutsche Bank AG | 520,620 | $25.3M | 0.01% | −53,146−9.3% | Reduced |
| Morgan Stanley | 497,982 | $24.2M | 0.00% | −28,246−5.4% | Reduced |
| Allspring Global Investments Holdings, LLC | 496,632 | $24.2M | 0.04% | +78,857+18.9% | Added |
| Bank of New York Mellon Corp | 443,000 | $21.6M | 0.00% | −5,399−1.2% | Reduced |
| UBS Asset Management Americas Inc | 432,122 | $21.0M | 0.01% | +13,186+3.1% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 432,018 | $21.0M | 0.10% | −4,000−0.9% | Reduced |
| Victory Capital Management Inc | 420,875 | $20.5M | 0.02% | +164,836+64.4% | Added |
| Cerity Partners LLC | 399,354 | $19.4M | 0.05% | +230,490+136.5% | Added |
| Silvercrest Asset Management Group LLC | 392,108 | $19.1M | 0.13% | −7,942−2.0% | Reduced |
| Ameriprise Financial Inc | 383,094 | $18.6M | 0.01% | +16,347+4.5% | Added |
| Penn Capital Management Co Inc | 356,382 | $17.4M | 1.54% | −2,874−0.8% | Reduced |
| Neuberger Berman Group LLC | 340,615 | $16.6M | 0.01% | +170,801+100.6% | Added |
| Rockefeller Capital Management L.P. | 318,011 | $15.5M | 0.05% | +155,366+95.5% | Added |
| HSBC Holdings PLC | 312,826 | $15.2M | 0.01% | +70,666+29.2% | Added |
| Robotti Robert | 291,083 | $14.2M | 1.92% | +1,070+0.4% | Added |
| Pier Capital, LLC | 285,509 | $13.9M | 1.91% | +9,886+3.6% | Added |
| New York State Common Retirement Fund | 265,989 | $12.9M | 0.02% | +186+0.1% | Added |
| Bank of America Corp | 257,956 | $12.6M | 0.00% | +106,771+70.6% | Added |
| Bessemer Group Inc | 250,317 | $12.2M | 0.02% | +18,386+7.9% | Added |
| Russell Investments Group, Ltd. | 249,898 | $12.2M | 0.02% | +127,039+103.4% | Added |
| Avidity Partners Management LP | 238,000 | $11.6M | 0.41% | +238,000 | New |
| Royce & Associates LP | 217,660 | $10.6M | 0.09% | −134,475−38.2% | Reduced |
| Picton Mahoney Asset Management | 210,866 | $10.3M | 0.43% | +103,010+95.5% | Added |
| Woodline Partners LP | 197,709 | $9.62M | 0.09% | +197,709 | New |
| Eagle Asset Management Inc | 192,023 | $9.24M | 0.05% | +192,023 | New |
| Legal & General Group Plc | 181,870 | $8.85M | 0.00% | +8,145+4.7% | Added |
| Nuveen Asset Management, LLC | 173,781 | $8.46M | 0.00% | +31,024+21.7% | Added |
| Rhumbline Advisers | 173,656 | $8.45M | 0.01% | +5,207+3.1% | Added |
| Citigroup Inc | 158,941 | $7.73M | 0.01% | +22,203+16.2% | Added |
| Castleark Management LLC | 149,723 | $7.29M | 0.30% | +149,723 | New |
| Public Sector Pension Investment Board | 133,862 | $6.51M | 0.05% | +8,470+6.8% | Added |
| Citadel Advisors LLC | 133,222 | $6.48M | 0.01% | +128,435+2,683.0% | Added |
| Calamos Advisors LLC | 130,945 | $6.37M | 0.03% | +71,064+118.7% | Added |
| Marshall Wace, LLP | 116,134 | $5.65M | 0.01% | +109,089+1,548.5% | Added |
| Guggenheim Capital LLC | 115,637 | $5.63M | 0.04% | +115,637 | New |
| Alliancebernstein L.P. | 115,260 | $5.61M | 0.00% | +44,830+63.7% | Added |
| Swiss National Bank | 113,900 | $5.54M | 0.00% | −6,300−5.2% | Reduced |
| Rathbone Brothers plc | 107,843 | $5.25M | 0.03% | −86,346−44.5% | Reduced |
| AYAL Capital Advisors Ltd | 105,000 | $5.11M | 3.67% | +105,000 | New |
| Franklin Resources Inc | 100,666 | $4.90M | 0.00% | +91,431+990.0% | Added |
| Monashee Investment Management LLC | 100,000 | $4.87M | 0.58% | +100,000 | New |
| First Eagle Investment Management, LLC | 97,443 | $4.74M | 0.01% | +22,400+29.8% | Added |
| EAM Global Investors LLC | 95,747 | $4.66M | 1.08% | −70.0% | Reduced |
| Knights of Columbus Asset Advisors LLC | 95,015 | $4.62M | 0.33% | +95,015 | New |
| Portolan Capital Management, LLC | 93,981 | $4.57M | 0.35% | −48,540−34.1% | Reduced |
| Raymond James & Associates | 93,198 | $4.54M | 0.00% | +17,266+22.7% | Added |
| First Trust Advisors LP | 91,097 | $4.43M | 0.00% | +22,523+32.8% | Added |
| Envestnet Asset Management Inc | 89,870 | $4.37M | 0.00% | +34,208+61.5% | Added |
| Keybank National Association | 88,575 | $4.31M | 0.02% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 86,071 | $4.19M | 0.00% | −22,346−20.6% | Reduced |
| Credit Suisse AG | 84,535 | $4.11M | 0.00% | −1,943−2.2% | Reduced |
| Formula Growth Ltd | 84,465 | $4.11M | 1.31% | −350.0% | Reduced |
| Prudential Financial Inc | 79,988 | $3.89M | 0.01% | +10,678+15.4% | Added |
| Advantage Alpha Capital Partners LP | 78,260 | $3.81M | 0.72% | −25,549−24.6% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 77,947 | $3.79M | 0.00% | +77,947 | New |
| State of New Jersey Common Pension Fund D | 72,044 | $3.51M | 0.01% | −3,642−4.8% | Reduced |
| EAM Investors, LLC | 71,617 | $3.48M | 0.55% | −22,839−24.2% | Reduced |
| Nwam LLC | 63,374 | $3.33M | 0.27% | +63,374 | New |
| Great West Life Assurance Co | 66,304 | $3.22M | 0.01% | +6,257+10.4% | Added |
| SEI Investments Co | 65,899 | $3.21M | 0.00% | +10,430+18.8% | Added |
| ExodusPoint Capital Management, LP | 65,667 | $3.19M | 0.04% | +65,667 | New |
| NewGen Asset Management Ltd | 65,000 | $3.16M | 1.70% | +65,000 | New |
| Janus Henderson Group PLC | 64,029 | $3.11M | 0.00% | +33,335+108.6% | Added |
| Alberta Investment Management Corp | 59,604 | $2.90M | 0.03% | −19,064−24.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 58,703 | $2.86M | 0.03% | −2,744−4.5% | Reduced |
| California State Teachers Retirement System | 57,973 | $2.82M | 0.00% | −6,656−10.3% | Reduced |
| Texas Permanent School Fund | 57,063 | $2.78M | 0.02% | +4,864+9.3% | Added |
| Thrivent Financial for Lutherans | 56,563 | $2.75M | 0.01% | +2,718+5.0% | Added |
| Macquarie Group Ltd | 54,722 | $2.66M | 0.00% | +54,722 | New |
| E. Ohman J:or Asset Management AB | 54,041 | $2.63M | 0.07% | −4,659−7.9% | Reduced |