Celldex Therapeutics, Inc.
CLDX- Exchange
- Nasdaq
- Industry
- In Vitro & In Vivo Diagnostic Substances
- SEC CIK
- 0000744218
No open-market purchases or sales by Celldex Therapeutics, Inc. insiders were filed in the last 90 days; 253 institutions reported holding it in 13F filings for Q2 2026, worth $3.16B in total; no superinvestor holds it.
Q1 2026 vs. Q4 2025
How the institutions holding Celldex Therapeutics, Inc. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 187 | 3 | 229 | +45 |
| Shares | 73.0M | 4.03M | 72.6M | +3.57M (+5.2%) |
| Value | $1.99B | $109.4M | $2.31B | +$428.6M (+22.7%) |
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (59)
Institutions that held Celldex Therapeutics, Inc. at the end of Q1 2026 but not at the end of Q4 2025.
Sold out (14)
Institutions that held Celldex Therapeutics, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Polar Capital Holdings Plc | 1,008,163 | $27.4M |
| Renaissance Technologies LLC | 118,488 | $3.22M |
| Argent Trust Co | 8,481 | $230.3K |
| Quest Partners LLC | 8,018 | $217.8K |
| Values First Advisors, Inc. | 7,728 | $209.9K |
| Kestra Advisory Services, LLC | 3,600 | $97.8K |
| Amalgamated Bank | 2,058 | $56.0K |
| Group One Trading, L.P. | 748 | $20.3K |
| Clear Street Markets LLC | 452 | $12.3K |
| Quarry LP | 180 | $4.89K |
| Strategic Advocates LLC | 130 | $3.44K |
| Bare Financial Services, Inc | 79 | $2.15K |
| Concord Wealth Partners | 8 | $217 |
| Strategic Investment Solutions, Inc. | 5 | $136 |
Not filed for Q1 2026 yet (3)
Institutions that held Celldex Therapeutics, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Vanguard Group Inc | 4,027,407 | $109.4M |
| CIBC Private Wealth Group, LLC | 500 | $13.6K |
| Comerica Bank | 31 | $830 |