RadNet, Inc. (RDNT) ownership: Sandy Nyholm Kaminsky, trustee of the HFB Heirs’ Trust II 11% · institutions 102% (13F 2026-03-31). Insider activity, 90 days: 4 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 10035734.00 | $560.90M | 12.8% | 2026-03-31 |
| Vanguard | 7598411.00 | $424.68M | 9.7% | 2026-03-31 |
| RTW Investments, LP | 4285000.00 | $239.49M | 5.4% | 2026-03-31 |
| Beck Mack & Oliver LLC | 3166192.00 | $176.96M | 4.0% | 2026-03-31 |
| State Street | 2651598.00 | $148.20M | 3.4% | 2026-03-31 |
| Geode Capital Management | 1723607.00 | $96.35M | 2.2% | 2026-03-31 |
| Invesco | 1633495.00 | $91.30M | 2.1% | 2026-03-31 |
| JB Capital Partners LP | 1424061.00 | $79.59M | 1.8% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.