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.
13F holders, Q1 2026
Institutional positions in Celldex Therapeutics, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 229
- +45 vs. Q4 2025
- Shares held
- 72.6M
- +3.57M (+5.2%) vs. Q4 2025
- Total value
- $2.31B
- +$428.6M (+22.7%) vs. Q4 2025
- New holders
- 59
- 68 more added
- Sold out
- 14
- 58 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CLDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 253 | $3.16B |
| Q1 2026 | 229 | $2.31B |
| Q4 2025 | 187 | $1.99B |
| Q3 2025 | 184 | $1.83B |
| Q2 2025 | 182 | $1.48B |
| Q1 2025 | 171 | $1.34B |
| Q4 2024 | 174 | $1.86B |
| Q3 2024 | 176 | $2.44B |
| Q2 2024 | 183 | $2.58B |
| Q1 2024 | 197 | $2.91B |
| Q4 2023 | 164 | $2.42B |
| Q3 2023 | 144 | $1.39B |
| Q2 2023 | 150 | $1.70B |
| Q1 2023 | 161 | $1.78B |
| Q4 2022 | 168 | $2.17B |
| Q3 2022 | 160 | $1.39B |
| Q2 2022 | 158 | $1.30B |
| Q1 2022 | 169 | $1.69B |
| Q4 2021 | 181 | $1.79B |
| Q3 2021 | 161 | $2.33B |
| Q2 2021 | 132 | $1.19B |
| Q1 2021 | 115 | $709.5M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 119 | $3.77K | 0.00% | +27+29.3% | Added |
| Larson Financial Group LLC | 113 | $3.58K | 0.00% | −42−27.1% | Reduced |
| Huntington National Bank | 109 | $3.46K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 89 | $2.82K | 0.00% | +2+2.3% | Added |
| Allworth Financial LP | 86 | $2.73K | 0.00% | +16+22.9% | Added |
| JPL Wealth Management, LLC | 75 | $2.38K | 0.00% | +75 | New |
| Jones Financial Companies LLLP | 70 | $2.12K | 0.00% | +11+18.6% | Added |
| TSFG, LLC | 50 | $2.00K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 51 | $1.62K | 0.00% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 46 | $1.46K | 0.00% | +46 | New |
| Fifth Third Bancorp | 31 | $969 | 0.00% | +31 | New |
| Private Wealth Management Group, LLC | 28 | $889 | 0.00% | 00.0% | Unchanged |
| GHP Investment Advisors, Inc. | 25 | $793 | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 24 | $761 | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 21 | $666 | 0.00% | +21 | New |
| SBI Securities Co., Ltd. | 18 | $571 | 0.00% | −1−5.3% | Reduced |
| Massmutual Trust Co FSB | 18 | $571 | 0.00% | +18 | New |
| Fortitude Family Office, LLC | 16 | $508 | 0.00% | +16 | New |
| True Wealth Design, LLC | 15 | $476 | 0.00% | +4+36.4% | Added |
| MAI Capital Management | 8 | $254 | 0.00% | +8 | New |
| Scarborough Advisors, LLC | 6 | $190 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 5 | $159 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 3 | $95 | 0.00% | +3 | New |
| CWM Advisors, LLC | 1 | $32 | 0.00% | 00.0% | Unchanged |
| MTM Investment Management, LLC | 1 | $32 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 1 | $32 | 0.00% | +1 | New |
| Capital Advisors, Ltd. LLC | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 24 | $0 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 6 | $0 | 0.00% | −2−25.0% | Reduced |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −1,008,163−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −118,488−100.0% | Sold out |
| Argent Trust Co | 0 | $0 | 0.00% | −8,481−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −8,018−100.0% | Sold out |
| Values First Advisors, Inc. | 0 | $0 | 0.00% | −7,728−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −3,600−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −2,058−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −748−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −452−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −180−100.0% | Sold out |
| Strategic Advocates LLC | 0 | $0 | 0.00% | −130−100.0% | Sold out |
| Bare Financial Services, Inc | 0 | $0 | 0.00% | −79−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Strategic Investment Solutions, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |