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 2026
Institutional positions in RadNet, Inc. as of Mar 31, 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
- 340
- +5 vs. Q4 2025
- Shares held
- 77.1M
- +8.82M (+12.9%) vs. Q4 2025
- Total value
- $4.31B
- −$563.5M (−11.6%) vs. Q4 2025
- New holders
- 52
- 137 more added
- Sold out
- 47
- 102 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| 1620 Investment Advisors, Inc. | 1 | $56 | 0.00% | 00.0% | Unchanged |
| GHP Investment Advisors, Inc. | 1 | $56 | 0.00% | +1 | New |
| Hughes Financial Services, LLC | 1 | $56 | 0.00% | +1 | New |
| Dunhill Financial, LLC | 1 | $81 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 3 | $168 | 0.00% | −1−25.0% | Reduced |
| HFM Investment Advisors, LLC | 3 | $168 | 0.00% | 00.0% | Unchanged |
| Bay Harbor Wealth Management, LLC | 4 | $223 | 0.00% | −1−20.0% | Reduced |
| True Wealth Design, LLC | 4 | $224 | 0.00% | 00.0% | Unchanged |
| TD Capital Management LLC | 5 | $279 | 0.00% | 00.0% | Unchanged |
| Trust Co | 5 | $279 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 5 | $280 | 0.00% | +1+25.0% | Added |
| JPL Wealth Management, LLC | 5 | $280 | 0.00% | +5 | New |
| American Capital Advisory, LLC | 5 | $280 | 0.00% | +5 | New |
| Vermillion Wealth Management, Inc. | 6 | $335 | 0.00% | +6 | New |
| DiNuzzo Private Wealth, Inc. | 7 | $392 | 0.00% | 00.0% | Unchanged |
| Gilpin Wealth Management, LLC | 7 | $392 | 0.00% | +1+16.7% | Added |
| Clearstead Advisors, LLC | 8 | $448 | 0.00% | −1,113−99.3% | Reduced |
| Marquette Asset Management, LLC | 8 | $448 | 0.00% | +8 | New |
| Central Trust Co | 9 | $504 | 0.00% | 00.0% | Unchanged |
| Rachor Investment Advisory Services, LLC | 11 | $615 | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 12 | $671 | 0.00% | +12 | New |
| Neo Ivy Capital Management | 13 | $726 | 0.00% | +13 | New |
| Ankerstar Wealth, LLC | 14 | $782 | 0.00% | −1−6.7% | Reduced |
| Banque Cantonale Vaudoise | 17 | $1.00K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 19 | $1.06K | 0.00% | +19 | New |
| Robinswood Financial LLC | 20 | $1.12K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 20 | $1.12K | 0.00% | −20−50.0% | Reduced |
| Optiver Holding B.V. | 26 | $1.45K | 0.00% | −131−83.4% | Reduced |
| MAI Capital Management | 27 | $1.51K | 0.00% | +27 | New |
| Sapience Investments, LLC | 31 | $1.73K | 0.22% | +31 | New |
| Kilter Group LLC | 33 | $1.84K | 0.00% | +5+17.9% | Added |
| Farmers & Merchants Investments Inc | 35 | $1.96K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 36 | $2.01K | 0.00% | +16+80.0% | Added |
| JFS Wealth Advisors, LLC | 46 | $2.57K | 0.00% | +6+15.0% | Added |
| Fortitude Family Office, LLC | 50 | $2.79K | 0.00% | +31+163.2% | Added |
| High Note Wealth, LLC | 51 | $2.85K | 0.00% | +1+2.0% | Added |
| Keating Financial Advisory Services, Inc. | 60 | $3.35K | 0.00% | +42+233.3% | Added |
| Cedar Mountain Advisors, LLC | 67 | $3.75K | 0.00% | +67 | New |
| SBI Securities Co., Ltd. | 68 | $3.80K | 0.00% | −2−2.9% | Reduced |
| WPG Advisers, LLC | 78 | $4.36K | 0.00% | −50−39.1% | Reduced |
| Massmutual Trust Co FSB | 80 | $4.47K | 0.00% | +6+8.1% | Added |
| Covestor Ltd | 90 | $5.00K | 0.00% | −88−49.4% | Reduced |
| EverSource Wealth Advisors, LLC | 90 | $5.03K | 0.00% | +14+18.4% | Added |
| Rothschild Investment LLC | 100 | $5.59K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 103 | $5.76K | 0.00% | +103 | New |
| Root Financial Partners, LLC | 110 | $6.15K | 0.00% | −9−7.6% | Reduced |
| Basecamp Wealth Advisors LLC | 131 | $7.32K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 136 | $7.60K | 0.00% | +131+2,620.0% | Added |
| Aster Capital Management (DIFC) Ltd | 155 | $7.71K | 0.00% | +155 | New |
| Bare Financial Services, Inc | 140 | $7.82K | 0.00% | +32+29.6% | Added |
| Sound Income Strategies, LLC | 162 | $8.96K | 0.00% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 180 | $10.1K | 0.00% | +180 | New |
| Allworth Financial LP | 238 | $13.3K | 0.00% | −169−41.5% | Reduced |
| Twin Tree Management, LP | 241 | $13.5K | 0.00% | +241 | New |
| Community Financial Services Group, LLC | 250 | $13.8K | 0.00% | +250 | New |
| Eastern Bank | 251 | $14.0K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 275 | $15.4K | 0.00% | −3,361−92.4% | Reduced |
| Huntington National Bank | 284 | $15.9K | 0.00% | +33+13.1% | Added |
| Clear Street Markets LLC | 287 | $16.0K | 0.01% | +287 | New |
| Golden State Equity Partners | 293 | $16.4K | 0.00% | +293 | New |
| Steward Partners Investment Advisory, LLC | 299 | $16.7K | 0.00% | −78−20.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 300 | $16.8K | 0.00% | −33−9.9% | Reduced |
| Public Employees Retirement System of Ohio | 305 | $17.0K | 0.00% | +18+6.3% | Added |
| Umb Bank N A | 327 | $18.3K | 0.00% | −124−27.5% | Reduced |
| Parkside Financial Bank & Trust | 349 | $19.5K | 0.00% | +88+33.7% | Added |
| Group One Trading, L.P. | 436 | $24.4K | 0.00% | +436 | New |
| Signaturefd, LLC | 441 | $24.6K | 0.00% | −78−15.0% | Reduced |
| TD Waterhouse Canada Inc. | 449 | $24.7K | 0.00% | +414+1,182.9% | Added |
| Kemnay Advisory Services Inc. | 448 | $25.0K | 0.00% | +181+67.8% | Added |
| Smartleaf Asset Management LLC | 563 | $31.4K | 0.00% | −1,023−64.5% | Reduced |
| Harbour Investments, Inc. | 619 | $34.6K | 0.00% | +33+5.6% | Added |
| Farther Finance Advisors, LLC | 767 | $42.4K | 0.00% | +206+36.7% | Added |
| Eurizon Capital SGR S.p.A. | 767 | $43.0K | 0.00% | +267+53.4% | Added |
| Salomon & Ludwin, LLC | 879 | $48.2K | 0.00% | +402+84.3% | Added |
| CWM, LLC | 881 | $49.2K | 0.00% | +393+80.5% | Added |
| Hantz Financial Services, Inc. | 886 | $50.0K | 0.00% | +583+192.4% | Added |
| Caitong International Asset Management Co., Ltd | 977 | $54.6K | 0.01% | +977 | New |
| Highline Wealth Partners LLC | 979 | $54.7K | 0.01% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 1,114 | $62.3K | 0.00% | +495+80.0% | Added |
| IFP Advisors, Inc | 1,368 | $76.5K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,791 | $100.1K | 0.00% | +354+24.6% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,860 | $104.0K | 0.01% | +22+1.2% | Added |
| Leonteq Securities AG | 2,043 | $114.2K | 0.01% | +2,000+4,651.2% | Added |
| KBC Group NV | 2,101 | $117.0K | 0.00% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 2,280 | $127.4K | 0.14% | +2,280 | New |
| GAMMA Investing LLC | 2,345 | $131.1K | 0.01% | −263−10.1% | Reduced |
| Assetmark, Inc | 2,863 | $160.0K | 0.00% | −88−3.0% | Reduced |
| Wolff Wiese Magana LLC | 2,986 | $166.9K | 0.09% | +124+4.3% | Added |
| Advisor Group Holdings, Inc. | 3,045 | $170.2K | 0.00% | +35+1.2% | Added |
| State of Wyoming | 3,114 | $174.0K | 0.02% | −80−2.5% | Reduced |
| Simplex Trading, LLC | 3,284 | $183.5K | 0.01% | −4,265−56.5% | Reduced |
| Walleye Capital LLC | 3,468 | $193.8K | 0.00% | +2,577+289.2% | Added |
| NewEdge Wealth, LLC | 3,612 | $201.9K | 0.00% | +23+0.6% | Added |
| CIBC Bancorp USA Inc. | 3,653 | $204.2K | 0.00% | +3,653 | New |
| STRS Ohio | 3,700 | $206.8K | 0.00% | −1,000−21.3% | Reduced |
| O'Shaughnessy Asset Management, LLC | 3,721 | $208.0K | 0.00% | −2,966−44.4% | Reduced |
| Sanctuary Advisors, LLC | 3,758 | $210.0K | 0.00% | −345−8.4% | Reduced |
| CIBC Asset Management Inc | 3,813 | $213.1K | 0.00% | −61−1.6% | Reduced |
| Ensign Peak Advisors, Inc | 3,856 | $215.5K | 0.00% | 00.0% | Unchanged |
| DnB Asset Management AS | 3,859 | $215.7K | 0.00% | +3,859 | New |