Aktis Oncology, Inc. · NASDAQ:AKTS
Aktis Oncology, Inc. shareholders
As of Jun 30, 2026, 110 institutions reported holding Aktis Oncology, Inc., 61.4% of its shares. Largest: Mpm Bioimpact LLC, EcoR1 Capital, LLC and Blue Owl Capital Holdings LP. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Aktis Oncology, Inc. | Change | Filed |
|---|---|---|---|---|
| Mpm Bioimpact LLC | 4.84M | 8.7% | no change | Aug 14, 2026 |
| EcoR1 Capital, LLC | 4.82M | 8.7% | no change | Aug 14, 2026 |
| Blue Owl Capital Holdings LP | 3.07M | 5.5% | −91,129 | Aug 11, 2026 |
| T. Rowe Price | 2.81M | 5.1% | −873K | Aug 14, 2026 |
| BlackRock | 2.28M | 4.1% | +166K | Aug 7, 2026 |
| Wellington | 1.97M | 3.5% | −351K | Aug 14, 2026 |
| Rtw Investments, LP | 1.59M | 2.9% | no change | Aug 14, 2026 |
| Ra Capital Management, L.P. | 1.31M | 2.4% | −189K | Aug 14, 2026 |
| Jupiter Topco LLC | 1.31M | 2.4% | first report | Aug 14, 2026 |
| Vanguard | 1.1M | 2.0% | +11,696 | Aug 13, 2026 |