1 institutions reported holding $1.4M of CYTOMX THERAPEUTICS INC. (CTMX) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($1.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $1.4M | 364,173 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30