6 institutions reported holding $901,981 of SUMMIT THERAPEUTICS INC (SMMT) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($868,678), GAMMA Investing LLC ($24,303), CX Institutional ($9,000), ELEVATION WEALTH PARTNERS, LLC ($0), MassMutual Private Wealth & Trust, FSB ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $868,678 | 59,621 | Hold |
| 2 | GAMMA Investing LLC | $24,303 | 1,668 | Added |
| 3 | CX Institutional | $9,000 | 591 | Trimmed |
| 4 | ELEVATION WEALTH PARTNERS, LLC | $0 | 0 | Exited |
| 5 | MassMutual Private Wealth & Trust, FSB | $0 | 0 | Exited |
| 6 | Versant Capital Management, Inc | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30