Definium Therapeutics, Inc. (DFTX) ownership: Top institutional holder: Jupiter Topco LLC ($264.00M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Jupiter Topco LLC | 5615645.00 | $264.00M | 2026-06-30 |
| BlackRock, Inc. | 8480230.00 | $160.28M | 2026-03-31 |
| Driehaus Capital Management LLC | 5911889.00 | $111.73M | 2026-03-31 |
| Avoro Capital Advisors LLC | 5000000.00 | $94.50M | 2026-03-31 |
| JANUS HENDERSON GROUP PLC | 3556041.00 | $67.23M | 2026-03-31 |
| Deep Track Capital, LP | 3000000.00 | $56.70M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 2495399.00 | $47.17M | 2026-03-31 |
| STATE STREET CORP | 2471873.00 | $46.72M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-12 | |
| Sell | null | 2026-08-12 | |
| Sell | null | 2026-08-12 | |
| Sell | null | 2026-08-12 | |
| Sell | null | 2026-08-12 | |
| Sell | null | 2026-06-25 | |
| Sell | null | 2026-06-25 | |
| Sell | null | 2026-06-25 |
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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.