2 institutions reported holding $4.7M of C4 THERAPEUTICS INC (CCCC) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($4.7M), Hennion & Walsh Asset Management, Inc. ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONGRESS ASSET MANAGEMENT CO | $4.7M | 1.0M | Added |
| 2 | Hennion & Walsh Asset Management, Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30