RadNet
Operates outpatient imaging centers and sells DeepHealth radiology software and clinical AI.
$74.61
After-hours close−0.04 (−0.05%)
At close$74.65(−0.94%)
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Breakdown13F · Form 4
Institutions 110.31%Insiders 4.53%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 78.63M · Float 70.36M · 89.5% free float
Institutions13F, as of Jun 30, 2026
335 holders · 86.74M shares · 41 new positions · 173 increased · 113 reduced · 54 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 10.96M | 13.94% | +922.1K | Aug 7, 2026 |
| RTW Investments, LP | 4.85M | 6.16% | +562.0K | Aug 14, 2026 |
| Price T Rowe Associates Inc /MD/ | 4.50M | 5.72% | +346.3K | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 4.07M | 5.17% | +167.8K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 3.19M | 4.06% | +82.6K | Aug 13, 2026 |
| Beck Mack & Oliver LLC | 3.16M | 4.02% | −2.6K | Aug 14, 2026 |
| State Street Corp | 2.84M | 3.61% | +190.9K | Aug 7, 2026 |
| Geode Capital Management, LLC | 1.86M | 2.36% | +134.9K | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 12.00% | 9.25M | 13G | Oct 17, 2025 ↗ |
| T. Rowe Price Associates, Inc. | 5.40% | 4.15M | 13G | May 15, 2026 ↗ |
| RTW Investments, LP | 5.10% | 3.94M | 13G | Feb 17, 2026 ↗ |
| Vanguard Portfolio Management | 5.09% | 3.95M | 13G | Apr 29, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Alma Gregory Sorensen | director, officer: Chief Strategy Officer | 1.20M | 1.53% | Mar 23, 2026 |
| Howard G. Berger | director, officer: President, CEO | 518.3K | 0.66% | Jun 18, 2026 |
| Stephen M. Forthuber | officer: Pres & CEO-Eastern Operations | 507.2K | 0.65% | Jun 16, 2026 |
| Norman R. Hames | officer: Pres and COO-West Operations | 284.2K | 0.36% | Mar 5, 2026 |
| Mital Patel | officer: EVP of Fin Planning, CAO | 200.2K | 0.25% | Mar 5, 2026 |
| David L. Swartz | director | 177.0K | 0.23% | Jun 22, 2026 |
| Lawrence L. Levitt | director | 167.9K | 0.21% | Jun 3, 2026 |
| Ranjan Jayanathan | officer: Chief Information Officer | 138.2K | 0.18% | Aug 21, 2025 |
| Mark Stolper | officer: EVP, Chief Financial Officer | 121.9K | 0.16% | Mar 5, 2026 |
| David Jeffrey Katz | officer: EVP and Chief Legal Officer | 90.9K | 0.12% | Mar 5, 2026 |
2 ten-percent owners hold 5.40M shares by Form 4, outside the officers-and-directors figure above · 8 people have not refiled in the last 18 months (2.36M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 18, 2026 | David L. Swartzdirector | Sale | 2,699 | $53.89 | 177,013 |
| Jun 16, 2026 | Cornelis Wesdorpofficer: Pres & CEO, Digital Health | Sale | 4,750 | $58.11 | 69,075 |
| Jun 15, 2026 | Stephen M. Forthuberofficer: Pres & CEO-Eastern Operations | Sale · 2 lots | 44,067 | $58.16 | 507,199 |
| Mar 19, 2026 | Alma Gregory Sorensendirector, officer: Chief Strategy Officer | Sale · 3 lots | 15,000 | $62.20 | 1,208,923 |
| Mar 18, 2026 | Alma Gregory Sorensendirector, officer: Chief Strategy Officer | Sale · 2 lots | 15,000 | $62.15 | 1,223,923 |
| Dec 5, 2025 | Stephen M. Forthuberofficer: Pres & COO-Eastern Operations | Sale · 3 lots | 45,088 | $78.33 | 529,221 |
| Nov 19, 2025 | Mital Patelofficer: EVP of Fin Planning, CAO | Sale | 15,080 | $80.05 | 180,138 |
| Nov 18, 2025 | Mital Patelofficer: EVP of Fin Planning, CAO | Sale | 9,920 | $80.00 | 195,218 |
| Nov 17, 2025 | Mital Patelofficer: EVP of Fin Planning, CAO | Sale | 25,000 | $76.06 | 205,138 |
| Sep 16, 2025 | Mark Stolperofficer: EVP, Chief Financial Officer | Sale | 35,000 | $73.89 | 68,012 |
CongressHouse and Senate disclosures
Not reported.