1 institutions reported holding $968 of COMPASS THERAPEUTICS INC COM (CMPX) in SEC 13F filings for 2026-06-30. Largest institutional holders: GAMMA Investing LLC ($968). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GAMMA Investing LLC | $968 | 442 | Added |
Source: SEC Form 13F filings · as of 2026-06-30