4 institutions reported holding $1.2M of CULLINAN THERAPEUTICS INC COM (CGEM) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($1.1M), GAMMA Investing LLC ($35,109), Bangor Savings Bank ($15,333), MassMutual Private Wealth & Trust, FSB ($492). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $1.1M | 61,682 | Trimmed |
| 2 | GAMMA Investing LLC | $35,109 | 1,928 | Added |
| 3 | Bangor Savings Bank | $15,333 | 842 | Hold |
| 4 | MassMutual Private Wealth & Trust, FSB | $492 | 27 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30