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 |
|---|---|---|---|---|---|
| Arizona State Retirement System | 16,426 | $521.0K | 0.00% | −98−0.6% | Reduced |
| DnB Asset Management AS | 18,087 | $573.7K | 0.00% | +1,186+7.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 18,128 | $575.0K | 0.00% | +1,306+7.8% | Added |
| Fred Alger Management, LLC | 18,454 | $585.4K | 0.00% | +18,454 | New |
| Apella Capital, LLC | 17,024 | $588.2K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 19,830 | $629.0K | 0.03% | +19,830 | New |
| State of New Jersey Common Pension Fund D | 20,439 | $648.3K | 0.00% | +20,439 | New |
| Intech Investment Management LLC | 21,355 | $677.4K | 0.01% | −12,144−36.3% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 22,180 | $703.5K | 0.01% | +22,180 | New |
| New York State Common Retirement Fund | 22,237 | $705.4K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 24,440 | $775.2K | 0.01% | +24,440 | New |
| ArrowMark Colorado Holdings LLC | 25,000 | $793.0K | 0.02% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 25,000 | $798.0K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 25,642 | $813.6K | 0.00% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 25,900 | $822.0K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 26,037 | $825.9K | 0.00% | +26,037 | New |
| Victory Capital Management Inc | 27,422 | $869.8K | 0.00% | −70.0% | Reduced |
| Seven Fleet Capital Management LP | 29,300 | $929.4K | 0.29% | +29,300 | New |
| Profund Advisors LLC | 29,526 | $936.6K | 0.03% | −12,928−30.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,677 | $973.1K | 0.00% | +5,360+21.2% | Added |
| Envestnet Asset Management Inc | 33,053 | $1.05M | 0.00% | −16,023−32.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 33,098 | $1.05M | 0.01% | 00.0% | Unchanged |
| Creative Planning | 33,436 | $1.06M | 0.00% | +2,032+6.5% | Added |
| State of Wisconsin Investment Board | 34,109 | $1.08M | 0.00% | −3,957−10.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 35,339 | $1.11M | 0.00% | −1,727−4.7% | Reduced |
| Wells Fargo & Company | 35,158 | $1.12M | 0.00% | −56,441−61.6% | Reduced |
| Tudor Investment Corp Et Al | 35,393 | $1.12M | 0.01% | +35,393 | New |
| Susquehanna International Group, LLP | 35,948 | $1.14M | 0.00% | +35,948 | New |
| MetLife Investment Management | 36,663 | $1.16M | 0.01% | −349−0.9% | Reduced |
| SG Americas Securities, LLC | 38,008 | $1.21M | 0.00% | −9,332−19.7% | Reduced |
| SEI Investments Co | 38,152 | $1.21M | 0.00% | +38,152 | New |
| Vanguard Asset Management, Ltd | 41,091 | $1.30M | 0.00% | +41,091 | New |
| Cinctive Capital Management LP | 41,233 | $1.31M | 0.09% | +41,233 | New |
| Y-Intercept (Hong Kong) Ltd | 45,192 | $1.43M | 0.03% | +45,192 | New |
| HRT Financial LP | 46,745 | $1.48M | 0.00% | −30,895−39.8% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 47,525 | $1.51M | 0.05% | +560+1.2% | Added |
| D. E. Shaw & Co., Inc. | 52,860 | $1.68M | 0.00% | −83,464−61.2% | Reduced |
| Alps Advisors Inc | 54,190 | $1.72M | 0.01% | −369−0.7% | Reduced |
| Legal & General Group Plc | 55,080 | $1.75M | 0.00% | −7,519−12.0% | Reduced |
| Alliancebernstein L.P. | 65,540 | $1.78M | 0.00% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 65,050 | $2.06M | 0.01% | −49,180−43.1% | Reduced |
| Quantinno Capital Management LP | 65,744 | $2.09M | 0.00% | +42,158+178.7% | Added |
| First Trust Advisors LP | 68,470 | $2.17M | 0.00% | +30,157+78.7% | Added |
| DAFNA Capital Management LLC | 68,518 | $2.17M | 0.49% | 00.0% | Unchanged |
| Simplify Asset Management Inc. | 68,994 | $2.19M | 0.03% | −16,006−18.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 70,053 | $2.22M | 0.00% | +37,790+117.1% | Added |
| Birchview Capital, LP | 70,095 | $2.22M | 1.27% | +70,095 | New |
| TD Asset Management Inc | 70,292 | $2.23M | 0.00% | +3,722+5.6% | Added |
| Manufacturers Life Insurance Company, The | 77,772 | $2.47M | 0.00% | +2,642+3.5% | Added |
| California State Teachers Retirement System | 79,630 | $2.53M | 0.00% | +21,233+36.4% | Added |
| Balyasny Asset Management LLC | 85,026 | $2.70M | 0.01% | +85,026 | New |
| Rhumbline Advisers | 85,983 | $2.73M | 0.00% | −1,281−1.5% | Reduced |
| HighVista Strategies LLC | 89,397 | $2.84M | 0.78% | +37,592+72.6% | Added |
| Jane Street Group, LLC | 90,321 | $2.86M | 0.00% | +90,321 | New |
| Invesco Ltd. | 93,684 | $2.97M | 0.00% | +3,540+3.9% | Added |
| PDT Partners, LLC | 97,822 | $3.10M | 0.18% | 00.0% | Unchanged |
| Swiss National Bank | 117,900 | $3.74M | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 120,807 | $3.83M | 0.00% | +3,218+2.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 122,404 | $3.88M | 0.00% | −761−0.6% | Reduced |
| Propel Bio Management, LLC | 131,364 | $4.14M | 2.61% | −22,936−14.9% | Reduced |
| Boothbay Fund Management, LLC | 134,945 | $4.28M | 0.10% | +134,945 | New |
| Two Sigma Investments, LP | 137,015 | $4.35M | 0.00% | +4,482+3.4% | Added |
| Panagora Asset Management Inc | 142,327 | $4.51M | 0.02% | +120,471+551.2% | Added |
| Deutsche Bank AG | 143,037 | $4.54M | 0.00% | +6,552+4.8% | Added |
| Assenagon Asset Management S.A. | 146,525 | $4.65M | 0.01% | +146,525 | New |
| JPMorgan Chase & Co | 164,778 | $4.86M | 0.00% | −8,899−5.1% | Reduced |
| GordonMD Global Investments LP | 170,307 | $5.40M | 4.45% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 175,788 | $5.58M | 0.00% | −54,874−23.8% | Reduced |
| Mirador Capital Partners LP | 178,053 | $5.65M | 0.80% | +7,394+4.3% | Added |
| Silverarc Capital Management, LLC | 178,378 | $5.66M | 0.67% | −12,696−6.6% | Reduced |
| Superstring Capital Management LP | 180,048 | $5.71M | 4.08% | +91,740+103.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 184,104 | $5.84M | 0.01% | +65,899+55.7% | Added |
| Bank of New York Mellon Corp | 190,399 | $6.04M | 0.00% | −4,153−2.1% | Reduced |
| Citadel Advisors LLC | 200,612 | $6.36M | 0.00% | +145,511+264.1% | Added |
| Nuveen, LLC | 201,949 | $6.41M | 0.00% | +1,253+0.6% | Added |
| Algert Global LLC | 215,159 | $6.82M | 0.10% | +116,312+117.7% | Added |
| Citigroup Inc | 217,335 | $6.89M | 0.00% | +202,413+1,356.5% | Added |
| Morgan Stanley | 217,549 | $6.90M | 0.00% | −67,986−23.8% | Reduced |
| SummitTX Capital, L.P. | 236,637 | $7.51M | 0.24% | +193,313+446.2% | Added |
| Sphera Funds Management Ltd. | 243,575 | $7.73M | 1.33% | +3,811+1.6% | Added |
| StemPoint Capital LP | 254,267 | $8.07M | 1.55% | +254,267 | New |
| Redmile Group, LLC | 261,508 | $8.30M | 0.55% | −21,800−7.7% | Reduced |
| Candriam Luxembourg S.C.A. | 278,888 | $8.85M | 0.05% | +278,888 | New |
| Palo Alto Investors LP | 296,408 | $9.40M | 1.44% | +296,408 | New |
| UBS Group AG | 296,970 | $9.42M | 0.00% | −29,492−9.0% | Reduced |
| Polygon Management Ltd. | 312,316 | $9.91M | 1.95% | +68,516+28.1% | Added |
| Foresite Capital Management VI LLC | 315,913 | $10.0M | 2.18% | +315,913 | New |
| PFM Health Sciences, LP | 324,957 | $10.3M | 1.08% | +191,796+144.0% | Added |
| Rosalind Advisors, Inc. | 330,000 | $10.5M | 4.29% | +330,000 | New |
| Segall Bryant & Hamill, LLC | 346,919 | $11.0M | 0.16% | −167,612−32.6% | Reduced |
| Kennedy Capital Management, Inc. | 352,302 | $11.2M | 0.24% | +352,302 | New |
| TSP Capital Management Group, LLC | – | $11.9M | 2.90% | – | – |
| ADAR1 Capital Management, LLC | 427,816 | $13.6M | 0.82% | −218,951−33.9% | Reduced |
| Vanguard Fiduciary Trust Co | 429,597 | $13.6M | 0.00% | +429,597 | New |
| Logos Global Management LP | 450,000 | $14.3M | 0.74% | +100,000+28.6% | Added |
| Ikarian Capital, LLC | 461,247 | $14.6M | 2.09% | +461,247 | New |
| 5AM Venture Management, LLC | 497,270 | $15.8M | 4.38% | 00.0% | Unchanged |
| Affinity Asset Advisors, LLC | 500,000 | $15.9M | 0.93% | +150,000+42.9% | Added |
| Woodline Partners LP | 500,127 | $15.9M | 0.06% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 545,486 | $17.3M | 0.00% | −5,243−1.0% | Reduced |