RadnetRDNT
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 340 institutions reported holding Radnet Inc. (RDNT) in their 13F filings, down 2 from Q4 2025. 43 opened new positions and 46 sold out. The largest holders were BlackRock, Inc. ($560.9M), RTW Investments, LP ($239.5M) and T. Rowe Price Associates Inc. ($232.2M). 8 famous investors held it, including George Soros (0.5% of Soros Fund Management's portfolio), Ron Baron (0.1% of Baron Capital (BAMCO)'s portfolio) and Steve Cohen (0.1% of Point72 Asset Management's portfolio).
- Company
- Radnet Inc.
- CUSIP
- 750491102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $39.0M |
| Exits | 46 | $158.9M |
All 13F filers, Q4 2025 → Q1 2026: 5,980,751 shares bought and 4,836,263 shares sold, net +1,144,488 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 340 holders
| BlackRock, Inc. | 0.01% | Add +0.1% | 10,035,734 | $560.9M |
| RTW Investments, LP | 2.38% | Add +8.8% | 4,285,000 | $239.5M |
| T. Rowe Price Associates Inc. | 0.03% | Add +53.9% | 4,154,863 | $232.2M |
| Vanguard Portfolio Management LLC | 0.01% | — | 3,899,127 | $217.9M |
| Beck Mack & Oliver LLC | 3.65% | Reduce -2.0% | 3,166,192 | $177.0M |
| Vanguard Capital Management LLC | 0.00% | — | 3,111,012 | $173.9M |
| State Street Corp. | 0.01% | Add +2.8% | 2,651,598 | $148.2M |
| Geode Capital Management, LLC | 0.01% | Add +3.1% | 1,723,607 | $96.4M |
| Invesco Ltd. | 0.01% | Add +2.3% | 1,633,495 | $91.3M |
| JB Capital Partners LP | 13.71% | No change | 1,424,061 | $79.6M |
| Hood River Capital Management LLC | 0.79% | Add +1.1% | 1,411,497 | $78.9M |
| Dimensional Fund Advisors LP | 0.02% | Add +1.4% | 1,379,003 | $77.1M |
| Alyeska Investment Group, L.P. | 0.21% | Add +13.6% | 1,309,308 | $73.2M |
| Clearbridge Investments, LLC | 0.06% | Add +14.7% | 1,278,540 | $71.5M |
| Goldman Sachs Group Inc. | 0.01% | Add +6.3% | 1,190,275 | $66.5M |
| Principal Financial Group Inc. | 0.03% | Reduce -1.9% | 1,111,277 | $62.1M |
| Van Berkom & Associates Inc. | 1.87% | Add +24.9% | 1,028,586 | $57.5M |
| American Century Companies Inc. | 0.03% | Reduce -0.6% | 902,192 | $50.4M |
| Ameriprise Financial Inc. | 0.01% | Reduce -19.7% | 899,126 | $50.2M |
| Allspring Global Investments Holdings, LLC | 0.08% | Reduce -17.4% | 865,404 | $47.9M |
| Point72 Asset Management | 0.09% | Add +232.0% | 855,372 | $47.8M |
| Morgan Stanley | 0.00% | Reduce -10.5% | 850,471 | $47.5M |
| Baron Capital (BAMCO) | 0.14% | No change | 810,066 | $45.3M |
| Fuller & Thaler Asset Management, Inc. | 0.15% | Add +4.9% | 806,296 | $45.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +1.2% | 767,471 | $42.9M |
| Northern Trust Corp. | 0.01% | Add +2.4% | 746,807 | $41.7M |
| Polar Capital Holdings Plc | 0.18% | Add +11.6% | 734,253 | $41.0M |
| Rockefeller Capital Management L.P. | 0.07% | Add +11.2% | 703,116 | $39.3M |
| Loomis Sayles & Co. L P | 0.05% | Reduce -7.7% | 686,215 | $38.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -2.3% | 673,249 | $37.6M |
| Nuveen, LLC | 0.01% | Reduce -5.3% | 661,282 | $37.0M |
| Global Alpha Capital Management Ltd. | 2.21% | Add +34.8% | 658,208 | $36.8M |
| Punch & Associates Investment Management, Inc. | 1.94% | Reduce -8.6% | 595,280 | $33.3M |
| Bank of America Corp. | 0.00% | Add +15.1% | 589,610 | $33.0M |
| Bessemer Group Inc. | 0.05% | Add +11.4% | 550,172 | $30.7M |
| Defiance ETFs, LLC | 0.44% | Add +5.3% | 545,474 | $30.5M |
| Penserra Capital Management LLC | 0.36% | Add +5.3% | 545,474 | $30.5M |
| Westfield Capital Management Co. LP | 0.12% | Add +0.0% | 531,893 | $29.7M |
| Neuberger Berman Group LLC | 0.02% | Reduce -14.6% | 503,172 | $28.1M |
| UBS Group AG | 0.00% | Add +54.3% | 486,659 | $27.2M |
| Deutsche Bank AG | 0.01% | Add +1.3% | 482,369 | $27.0M |
| Alpha Wave Global, LP | 3.38% | Reduce -11.7% | 478,304 | $26.7M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 476,460 | $26.6M |
| Royal Bank of Canada | 0.01% | Reduce -1.3% | 468,283 | $26.2M |
| Franklin Resources Inc. | 0.01% | Reduce -17.6% | 458,625 | $25.6M |
| Tidal Investments LLC | 0.08% | Add +10.5% | 442,145 | $24.7M |
| Soros Fund Management | 0.45% | Reduce -23.7% | 438,450 | $24.5M |
| Raymond James Financial Inc. | 0.01% | Add +7.7% | 423,680 | $23.7M |
| Voya Investment Management LLC | 0.03% | Add +22.5% | 417,380 | $23.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.0% | 410,345 | $22.9M |
| Wellington Management Group LLP | 0.00% | Reduce -2.5% | 395,856 | $22.1M |
| Emerald Advisers, LLC | 0.68% | Reduce -3.3% | 381,764 | $21.3M |
| Silvercrest Asset Management Group LLC | 0.15% | Add +13.8% | 381,502 | $21.3M |
| Freestone Grove Partners LP | 0.15% | Add +101.9% | 365,394 | $20.4M |
| Jennison Associates LLC | 0.01% | Add +1.3% | 355,106 | $19.8M |
| Fred Alger Management, LLC | 0.08% | Reduce -37.6% | 341,938 | $19.1M |
| Picton Mahoney Asset Management | 0.18% | Add +42.0% | 309,120 | $17.3M |
| Segall Bryant & Hamill, LLC | 0.24% | Reduce -4.9% | 301,812 | $16.9M |
| New York State Common Retirement Fund | 0.02% | Add +20.6% | 298,778 | $16.7M |
| Palisade Capital Management, LP | 0.58% | Add +80.8% | 291,346 | $16.3M |
| Penn Capital Management Company, LLC | 1.20% | Add +0.9% | 276,781 | $15.5M |
| WCM Investment Management, LLC | 0.03% | Reduce -4.0% | 257,378 | $14.3M |
| Sei Investments Co. | 0.01% | Reduce -5.3% | 255,020 | $14.3M |
| Emerald Mutual Fund Advisers Trust | 0.68% | Reduce -0.3% | 250,597 | $14.0M |
| Public Sector Pension Investment Board | 0.04% | Add +3.7% | 249,232 | $13.9M |
| Whittier Trust Co. | 0.15% | Add +10.1% | 241,509 | $13.3M |
| FMR LLC | 0.00% | Add +0.2% | 222,358 | $12.4M |
| Agf Management Ltd. | 0.05% | Add +17.8% | 187,390 | $10.5M |
| Rhumbline Advisers | 0.01% | Add +2.5% | 186,648 | $10.4M |
| Legal & General Group Plc | 0.00% | Reduce -7.6% | 158,031 | $8.8M |
| Alliancebernstein L.P. | 0.00% | Reduce -31.2% | 113,074 | $8.1M |
| Thrivent Financial for Lutherans | 0.02% | Add +196.7% | 141,547 | $7.9M |
| Royce & Associates LP | 0.08% | Add +20.5% | 137,009 | $7.7M |
| JPMorgan Chase & Co. | 0.00% | Add +80.8% | 137,198 | $7.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.01% | Add +48.8% | 136,579 | $7.6M |
| Mairs & Power Inc. | 0.08% | Add +39.2% | 133,116 | $7.4M |
| Swiss National Bank | 0.00% | Add +0.7% | 129,900 | $7.3M |
| Cerity Partners LLC | 0.01% | Reduce -16.2% | 123,487 | $6.9M |
| Robotti Robert | 1.05% | Reduce -34.5% | 120,492 | $6.7M |
| Holocene Advisors, LP | 0.02% | New | 120,154 | $6.7M |
| Whittier Trust Co. of Nevada Inc. | 0.14% | Add +3.6% | 121,167 | $6.7M |
| Pier Capital, LLC | 1.10% | Reduce -1.8% | 118,889 | $6.6M |
| BNP Paribas Financial Markets | 0.00% | Reduce -0.8% | 115,585 | $6.5M |
| Sequoia Financial Advisors, LLC | 0.04% | Reduce -0.6% | 112,992 | $6.3M |
| Harbor Capital Advisors, Inc. | 0.48% | Reduce -7.5% | 105,191 | $5.9M |
| Granahan Investment Management, LLC | 0.28% | New | 104,282 | $5.8M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -4.4% | 102,840 | $5.7M |
| First Eagle Investment Management, LLC | 0.01% | Add +1.1% | 94,136 | $5.3M |
| Citigroup Inc. | 0.00% | Reduce -23.3% | 89,723 | $5.0M |
| Caisse de depot et placement du Quebec | 0.01% | New | 82,558 | $4.6M |
| California State Teachers Retirement System | 0.00% | Add +25.4% | 77,646 | $4.3M |
| SEB Asset Management AB | 0.02% | — | 76,697 | $4.3M |
| State of Wisconsin Investment Board | 0.01% | Reduce -5.1% | 76,640 | $4.3M |
| Hilton Capital Management, LLC | 0.31% | Add +14.7% | 74,576 | $4.2M |
| Prudential Financial Inc. | 0.00% | Add +10.4% | 71,333 | $4.0M |
| D.A. Davidson & Co. | 0.02% | No change | 65,575 | $3.7M |
| First Trust Advisors LP | 0.00% | Reduce -30.1% | 65,271 | $3.6M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 62,102 | $3.5M |
| Squarepoint Ops LLC | 0.01% | New | 58,456 | $3.3M |
| Wells Fargo & Company | 0.00% | Reduce -47.7% | 57,395 | $3.2M |
"% of holder's portfolio" is RDNT's weight in each manager's 13F, not the share of Radnet Inc. the manager owns.