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 $5.04B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in RadNet, Inc. as of Jun 30, 2026. 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
- 328
- −9 vs. Q1 2026
- Shares held
- 81.4M
- +4.31M (+5.6%) vs. Q1 2026
- Total value
- $5.03B
- +$719.1M (+16.7%) vs. Q1 2026
- New holders
- 41
- 131 more added
- Sold out
- 50
- 112 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $5.04B |
| Q1 2026 | 340 | $4.37B |
| Q4 2025 | 342 | $5.50B |
| Q3 2025 | 328 | $5.66B |
| Q2 2025 | 328 | $4.07B |
| Q1 2025 | 307 | $3.43B |
| Q4 2024 | 330 | $4.49B |
| Q3 2024 | 303 | $4.43B |
| Q2 2024 | 277 | $3.61B |
| Q1 2024 | 277 | $2.97B |
| Q4 2023 | 214 | $1.88B |
| Q3 2023 | 191 | $1.49B |
| Q2 2023 | 185 | $1.66B |
| Q1 2023 | 152 | $1.00B |
| Q4 2022 | 145 | $744.5M |
| Q3 2022 | 153 | $798.9M |
| Q2 2022 | 152 | $673.1M |
| Q1 2022 | 164 | $850.0M |
| Q4 2021 | 171 | $1.09B |
| Q3 2021 | 179 | $1.04B |
| Q2 2021 | 169 | $1.20B |
| Q1 2021 | 142 | $766.4M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10,957,808 | $675.8M | 0.01% | +922,074+9.2% | Added |
| RTW Investments, LP | 4,846,958 | $298.9M | 2.55% | +561,958+13.1% | Added |
| Price T Rowe Associates Inc | 4,501,195 | $277.6M | 0.03% | +346,332+8.3% | Added |
| Vanguard Portfolio Management LLC | 4,066,931 | $250.8M | 0.01% | +167,804+4.3% | Added |
| Vanguard Capital Management LLC | 3,193,565 | $196.9M | 0.00% | +82,553+2.7% | Added |
| Beck Mack & Oliver LLC | 3,163,592 | $195.1M | 3.80% | −2,600−0.1% | Reduced |
| State Street Corp | 2,842,457 | $175.2M | 0.01% | +190,859+7.2% | Added |
| Geode Capital Management, LLC | 1,858,508 | $114.6M | 0.01% | +134,901+7.8% | Added |
| Invesco Ltd. | 1,641,292 | $101.2M | 0.01% | +7,797+0.5% | Added |
| American Century Companies Inc | 1,618,424 | $99.8M | 0.04% | +716,232+79.4% | Added |
| Clearbridge Investments, LLC | 1,546,652 | $95.4M | 0.08% | +268,112+21.0% | Added |
| Dimensional Fund Advisors LP | 1,491,040 | $91.9M | 0.02% | +112,037+8.1% | Added |
| Hood River Capital Management LLC | 1,456,205 | $89.8M | 0.65% | +44,708+3.2% | Added |
| JB Capital Partners LP | 1,424,061 | $87.8M | 13.59% | 00.0% | Unchanged |
| Bamco Inc | 1,260,992 | $77.8M | 0.12% | +450,926+55.7% | Added |
| Defiance ETFs, LLC | 1,143,622 | $75.0M | 1.04% | +598,148+109.7% | Added |
| Van Berkom & Associates Inc. | 1,193,068 | $73.6M | 2.37% | +164,482+16.0% | Added |
| Goldman Sachs Group Inc | 1,178,372 | $72.7M | 0.01% | −11,903−1.0% | Reduced |
| Alyeska Investment Group, L.P. | 1,171,721 | $72.3M | 0.19% | −137,587−10.5% | Reduced |
| Penserra Capital Management LLC | 1,143,622 | $70.5M | 0.54% | +598,148+109.7% | Added |
| Principal Financial Group Inc | 1,052,356 | $64.9M | 0.03% | −58,921−5.3% | Reduced |
| Westfield Capital Management Co LP | 975,542 | $60.2M | 0.20% | +443,649+83.4% | Added |
| Morgan Stanley | 931,114 | $57.4M | 0.00% | +80,643+9.5% | Added |
| Northern Trust Corp | 813,056 | $50.1M | 0.01% | +66,249+8.9% | Added |
| Charles Schwab Investment Management Inc | 792,282 | $48.9M | 0.01% | +24,811+3.2% | Added |
| Rockefeller Capital Management L.P. | 757,990 | $46.7M | 0.07% | +54,874+7.8% | Added |
| Ameriprise Financial Inc | 745,603 | $46.0M | 0.01% | −153,523−17.1% | Reduced |
| Global Alpha Capital Management Ltd. | 734,875 | $45.3M | 2.72% | +76,667+11.6% | Added |
| Loomis Sayles & Co L P | 680,979 | $42.0M | 0.05% | −5,236−0.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 608,144 | $39.9M | 0.06% | −257,260−29.7% | Reduced |
| UBS Asset Management Americas Inc | 635,813 | $39.2M | 0.01% | −37,436−5.6% | Reduced |
| Punch & Associates Investment Management, Inc. | 633,272 | $39.1M | 1.93% | +37,992+6.4% | Added |
| Nuveen, LLC | 631,797 | $39.0M | 0.01% | −29,485−4.5% | Reduced |
| Polar Capital Holdings Plc | 623,029 | $38.4M | 0.11% | −111,224−15.1% | Reduced |
| UBS Group AG | 619,635 | $38.2M | 0.01% | +132,976+27.3% | Added |
| Voya Investment Management LLC | 604,907 | $37.3M | 0.03% | +187,527+44.9% | Added |
| Vanguard Fiduciary Trust Co | 507,472 | $31.3M | 0.01% | +31,012+6.5% | Added |
| Royal Bank of Canada | 501,405 | $30.9M | 0.01% | +33,122+7.1% | Added |
| Deutsche Bank AG | 495,962 | $30.6M | 0.01% | +13,593+2.8% | Added |
| Point72 Asset Management, L.P. | 492,437 | $30.4M | 0.05% | −362,935−42.4% | Reduced |
| Falcon Edge Capital, LP | 472,643 | $29.1M | 0.47% | −5,661−1.2% | Reduced |
| Norges Bank | 469,820 | $29.0M | 0.00% | +469,820 | New |
| Millennium Management LLC | 465,622 | $28.7M | 0.02% | +419,044+899.7% | Added |
| Neuberger Berman Group LLC | 455,763 | $28.1M | 0.02% | −47,409−9.4% | Reduced |
| E. Ohman J:or Asset Management AB | 452,966 | $27.9M | 0.65% | +416,563+1,144.3% | Added |
| Toroso Investments, LLC | 439,560 | $27.1M | 0.07% | −2,585−0.6% | Reduced |
| Bank of America Corp | 420,661 | $25.9M | 0.00% | −168,949−28.7% | Reduced |
| Bank of New York Mellon Corp | 420,575 | $25.9M | 0.00% | +10,230+2.5% | Added |
| Raymond James Financial Inc | 418,874 | $25.8M | 0.01% | −4,806−1.1% | Reduced |
| Bessemer Group Inc | 397,383 | $24.5M | 0.03% | −152,789−27.8% | Reduced |
| Emerald Advisers, LLC | 370,489 | $22.8M | 0.54% | −11,275−3.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 368,024 | $22.7M | 0.02% | +231,445+169.5% | Added |
| Silvercrest Asset Management Group LLC | 351,756 | $21.7M | 0.14% | −29,746−7.8% | Reduced |
| Jennison Associates LLC | 341,261 | $21.0M | 0.01% | −13,845−3.9% | Reduced |
| New York State Common Retirement Fund | 328,854 | $20.3M | 0.03% | +30,076+10.1% | Added |
| Segall Bryant & Hamill, LLC | 307,100 | $18.9M | 0.22% | +5,288+1.8% | Added |
| Wellington Management Group LLP | 280,019 | $17.3M | 0.00% | −115,837−29.3% | Reduced |
| Penn Capital Management Co Inc | 271,352 | $16.8M | 1.06% | −5,429−2.0% | Reduced |
| Whittier Trust Co | 238,975 | $16.5M | 0.16% | −2,534−1.0% | Reduced |
| Emerald Mutual Fund Advisers Trust | 250,764 | $15.5M | 0.54% | +167+0.1% | Added |
| WCM Investment Management, LLC | 253,448 | $15.0M | 0.03% | −3,930−1.5% | Reduced |
| Public Sector Pension Investment Board | 243,111 | $15.0M | 0.04% | −6,121−2.5% | Reduced |
| Fred Alger Management, LLC | 217,394 | $13.4M | 0.04% | −124,544−36.4% | Reduced |
| Royce & Associates LP | 211,269 | $13.0M | 0.10% | +74,260+54.2% | Added |
| SEI Investments Co | 208,109 | $12.8M | 0.01% | −46,911−18.4% | Reduced |
| Picton Mahoney Asset Management | 202,005 | $12.5M | 0.11% | −107,115−34.7% | Reduced |
| Palisade Capital Management LLC | 199,431 | $12.3M | 0.54% | −91,915−31.5% | Reduced |
| First Eagle Investment Management, LLC | 195,036 | $12.0M | 0.02% | +100,900+107.2% | Added |
| Agf Management Ltd | 188,565 | $11.6M | 0.05% | +1,175+0.6% | Added |
| SEB Asset Management AB | 180,298 | $11.1M | 0.04% | +103,601+135.1% | Added |
| Thrivent Financial for Lutherans | 173,649 | $10.7M | 0.02% | +32,102+22.7% | Added |
| Granahan Investment Management Inc | 171,637 | $10.6M | 0.38% | +67,355+64.6% | Added |
| Rhumbline Advisers | 168,199 | $10.4M | 0.01% | −18,449−9.9% | Reduced |
| Legal & General Group Plc | 158,695 | $9.79M | 0.00% | +664+0.4% | Added |
| Paradigm Capital Management Inc | 155,400 | $9.58M | 0.26% | +100,700+184.1% | Added |
| BNP Paribas Arbitrage, SA | 149,581 | $9.22M | 0.00% | +33,996+29.4% | Added |
| Whittier Trust Co of Nevada Inc | 121,590 | $8.25M | 0.15% | +423+0.3% | Added |
| Mairs & Power Inc | 133,116 | $8.21M | 0.08% | 00.0% | Unchanged |
| Swiss National Bank | 132,400 | $8.17M | 0.00% | +2,500+1.9% | Added |
| Citigroup Inc | 131,291 | $8.10M | 0.00% | +41,568+46.3% | Added |
| Cerity Partners LLC | 124,503 | $7.68M | 0.01% | +1,016+0.8% | Added |
| Pier Capital, LLC | 123,018 | $7.59M | 1.01% | +4,129+3.5% | Added |
| Robotti Robert | 120,972 | $7.46M | 1.20% | +480+0.4% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 116,588 | $7.19M | 0.09% | −321,862−73.4% | Reduced |
| Harbor Capital Advisors, Inc. | 116,506 | $7.18M | 0.49% | +11,315+10.8% | Added |
| Schonfeld Strategic Advisors LLC | 115,308 | $7.11M | 0.04% | +115,308 | New |
| Sequoia Financial Advisors, LLC | 115,120 | $7.10M | 0.04% | +2,128+1.9% | Added |
| Envestnet Asset Management Inc | 100,935 | $6.22M | 0.00% | −1,905−1.9% | Reduced |
| JPMorgan Chase & Co | 101,295 | $6.19M | 0.00% | −35,903−26.2% | Reduced |
| Wells Fargo & Company | 97,304 | $6.00M | 0.00% | +39,909+69.5% | Added |
| Barclays PLC | 96,115 | $5.93M | 0.00% | +83,153+641.5% | Added |
| Temasek Holdings (Private) Ltd | 86,974 | $5.36M | 0.01% | +86,974 | New |
| Russell Investments Group, Ltd. | 83,497 | $5.15M | 0.00% | +26,299+46.0% | Added |
| Alliancebernstein L.P. | 91,487 | $5.11M | 0.00% | −21,587−19.1% | Reduced |
| Holocene Advisors, LP | 80,436 | $4.96M | 0.01% | −39,718−33.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 80,081 | $4.94M | 0.01% | +80,081 | New |
| Hilton Capital Management, LLC | 78,427 | $4.84M | 0.33% | +3,851+5.2% | Added |
| Man Group plc | 76,807 | $4.74M | 0.01% | +19,606+34.3% | Added |
| California State Teachers Retirement System | 75,344 | $4.65M | 0.00% | −2,302−3.0% | Reduced |
| Prudential Financial Inc | 73,238 | $4.52M | 0.00% | +1,905+2.7% | Added |