8 institutions reported holding $38.9M of CELLDEX THERAPEUTICS INC NEW (CLDX) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($29.3M), Mirador Capital Partners LP ($6.7M), Hennion & Walsh Asset Management, Inc. ($1.8M), Apella Capital, LLC ($1.1M), Versant Capital Management, Inc ($25,638). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $29.3M | 788,696 | Added |
| 2 | Mirador Capital Partners LP | $6.7M | 181,054 | Added |
| 3 | Hennion & Walsh Asset Management, Inc. | $1.8M | 47,113 | Trimmed |
| 4 | Apella Capital, LLC | $1.1M | 26,658 | Added |
| 5 | Versant Capital Management, Inc | $25,638 | 689 | Hold |
| 6 | GAMMA Investing LLC | $13,247 | 356 | Added |
| 7 | MassMutual Private Wealth & Trust, FSB | $670 | 18 | Hold |
| 8 | FNY Investment Advisers, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30