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 |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 8,560,476 | $271.5M | 0.05% | +480,868+6.0% | Added |
| Kynam Capital Management, LP | 5,840,567 | $185.3M | 11.76% | −102,613−1.7% | Reduced |
| BlackRock, Inc. | 5,369,885 | $170.3M | 0.00% | −81,930−1.5% | Reduced |
| FMR LLC | 3,749,048 | $118.9M | 0.01% | −1,158,421−23.6% | Reduced |
| Point72 Asset Management, L.P. | 3,229,939 | $102.5M | 0.18% | +1,471,582+83.7% | Added |
| Vanguard Capital Management LLC | 2,960,895 | $93.9M | 0.00% | +2,960,895 | New |
| State Street Corp | 2,804,168 | $88.9M | 0.00% | −593,545−17.5% | Reduced |
| Commodore Capital LP | 2,696,616 | $85.5M | 4.95% | +131,616+5.1% | Added |
| Price T Rowe Associates Inc | 2,086,332 | $66.2M | 0.01% | +46,627+2.3% | Added |
| Eversept Partners, LP | 1,788,016 | $56.7M | 3.74% | +353,291+24.6% | Added |
| Geode Capital Management, LLC | 1,688,074 | $53.6M | 0.00% | +60,545+3.7% | Added |
| Braidwell LP | 1,356,082 | $43.0M | 1.43% | −502,027−27.0% | Reduced |
| Deep Track Capital, LP | 1,283,979 | $40.7M | 0.84% | −616,759−32.4% | Reduced |
| Millennium Management LLC | 1,253,532 | $39.8M | 0.03% | +40,827+3.4% | Added |
| Vestal Point Capital, LP | 1,224,165 | $38.8M | 1.09% | +59,165+5.1% | Added |
| Bellevue Group AG | 1,200,000 | $38.1M | 0.91% | −2,417,669−66.8% | Reduced |
| Novo Holdings A/S | 1,200,000 | $38.1M | 3.08% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,059,534 | $33.6M | 0.01% | +407,818+62.6% | Added |
| Eventide Asset Management, LLC | 1,037,000 | $32.9M | 0.54% | −605,559−36.9% | Reduced |
| Fisher Asset Management, LLC | 1,013,648 | $32.2M | 0.01% | +76,490+8.2% | Added |
| Goldman Sachs Group Inc | 988,416 | $31.4M | 0.00% | −79,715−7.5% | Reduced |
| Pictet Asset Management Holding SA | 923,696 | $29.3M | 0.03% | −44,920−4.6% | Reduced |
| Elmind Capital, LP | 865,000 | $27.4M | 7.79% | 00.0% | Unchanged |
| American Century Companies Inc | 856,310 | $27.2M | 0.01% | +1,084+0.1% | Added |
| Bank of America Corp | 708,647 | $22.5M | 0.00% | +293,759+70.8% | Added |
| Baker Bros. Advisors LP | 665,370 | $21.1M | 0.12% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 650,270 | $20.6M | 1.22% | −42,268−6.1% | Reduced |
| Vanguard Portfolio Management LLC | 629,252 | $20.0M | 0.00% | +629,252 | New |
| Northern Trust Corp | 577,267 | $18.3M | 0.00% | +27,269+5.0% | Added |
| Charles Schwab Investment Management Inc | 545,486 | $17.3M | 0.00% | −5,243−1.0% | Reduced |
| Woodline Partners LP | 500,127 | $15.9M | 0.06% | 00.0% | Unchanged |
| Affinity Asset Advisors, LLC | 500,000 | $15.9M | 0.93% | +150,000+42.9% | Added |
| 5AM Venture Management, LLC | 497,270 | $15.8M | 4.38% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 461,247 | $14.6M | 2.09% | +461,247 | New |
| Logos Global Management LP | 450,000 | $14.3M | 0.74% | +100,000+28.6% | Added |
| Vanguard Fiduciary Trust Co | 429,597 | $13.6M | 0.00% | +429,597 | New |
| ADAR1 Capital Management, LLC | 427,816 | $13.6M | 0.82% | −218,951−33.9% | Reduced |
| TSP Capital Management Group, LLC | – | $11.9M | 2.90% | – | – |
| Kennedy Capital Management, Inc. | 352,302 | $11.2M | 0.24% | +352,302 | New |
| Segall Bryant & Hamill, LLC | 346,919 | $11.0M | 0.16% | −167,612−32.6% | Reduced |
| Rosalind Advisors, Inc. | 330,000 | $10.5M | 4.29% | +330,000 | New |
| PFM Health Sciences, LP | 324,957 | $10.3M | 1.08% | +191,796+144.0% | Added |
| Foresite Capital Management VI LLC | 315,913 | $10.0M | 2.18% | +315,913 | New |
| Polygon Management Ltd. | 312,316 | $9.91M | 1.95% | +68,516+28.1% | Added |
| UBS Group AG | 296,970 | $9.42M | 0.00% | −29,492−9.0% | Reduced |
| Palo Alto Investors LP | 296,408 | $9.40M | 1.44% | +296,408 | New |
| Candriam Luxembourg S.C.A. | 278,888 | $8.85M | 0.05% | +278,888 | New |
| Redmile Group, LLC | 261,508 | $8.30M | 0.55% | −21,800−7.7% | Reduced |
| StemPoint Capital LP | 254,267 | $8.07M | 1.55% | +254,267 | New |
| Sphera Funds Management Ltd. | 243,575 | $7.73M | 1.33% | +3,811+1.6% | Added |
| SummitTX Capital, L.P. | 236,637 | $7.51M | 0.24% | +193,313+446.2% | Added |
| Morgan Stanley | 217,549 | $6.90M | 0.00% | −67,986−23.8% | Reduced |
| Citigroup Inc | 217,335 | $6.89M | 0.00% | +202,413+1,356.5% | Added |
| Algert Global LLC | 215,159 | $6.82M | 0.10% | +116,312+117.7% | Added |
| Nuveen, LLC | 201,949 | $6.41M | 0.00% | +1,253+0.6% | Added |
| Citadel Advisors LLC | 200,612 | $6.36M | 0.00% | +145,511+264.1% | Added |
| Bank of New York Mellon Corp | 190,399 | $6.04M | 0.00% | −4,153−2.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 184,104 | $5.84M | 0.01% | +65,899+55.7% | Added |
| Superstring Capital Management LP | 180,048 | $5.71M | 4.08% | +91,740+103.9% | Added |
| Silverarc Capital Management, LLC | 178,378 | $5.66M | 0.67% | −12,696−6.6% | Reduced |
| Mirador Capital Partners LP | 178,053 | $5.65M | 0.80% | +7,394+4.3% | Added |
| BNP Paribas Arbitrage, SA | 175,788 | $5.58M | 0.00% | −54,874−23.8% | Reduced |
| GordonMD Global Investments LP | 170,307 | $5.40M | 4.45% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 164,778 | $4.86M | 0.00% | −8,899−5.1% | Reduced |
| Assenagon Asset Management S.A. | 146,525 | $4.65M | 0.01% | +146,525 | New |
| Deutsche Bank AG | 143,037 | $4.54M | 0.00% | +6,552+4.8% | Added |
| Panagora Asset Management Inc | 142,327 | $4.51M | 0.02% | +120,471+551.2% | Added |
| Two Sigma Investments, LP | 137,015 | $4.35M | 0.00% | +4,482+3.4% | Added |
| Boothbay Fund Management, LLC | 134,945 | $4.28M | 0.10% | +134,945 | New |
| Propel Bio Management, LLC | 131,364 | $4.14M | 2.61% | −22,936−14.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 122,404 | $3.88M | 0.00% | −761−0.6% | Reduced |
| UBS Asset Management Americas Inc | 120,807 | $3.83M | 0.00% | +3,218+2.7% | Added |
| Swiss National Bank | 117,900 | $3.74M | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 97,822 | $3.10M | 0.18% | 00.0% | Unchanged |
| Invesco Ltd. | 93,684 | $2.97M | 0.00% | +3,540+3.9% | Added |
| Jane Street Group, LLC | 90,321 | $2.86M | 0.00% | +90,321 | New |
| HighVista Strategies LLC | 89,397 | $2.84M | 0.78% | +37,592+72.6% | Added |
| Rhumbline Advisers | 85,983 | $2.73M | 0.00% | −1,281−1.5% | Reduced |
| Balyasny Asset Management LLC | 85,026 | $2.70M | 0.01% | +85,026 | New |
| California State Teachers Retirement System | 79,630 | $2.53M | 0.00% | +21,233+36.4% | Added |
| Manufacturers Life Insurance Company, The | 77,772 | $2.47M | 0.00% | +2,642+3.5% | Added |
| TD Asset Management Inc | 70,292 | $2.23M | 0.00% | +3,722+5.6% | Added |
| Birchview Capital, LP | 70,095 | $2.22M | 1.27% | +70,095 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 70,053 | $2.22M | 0.00% | +37,790+117.1% | Added |
| Simplify Asset Management Inc. | 68,994 | $2.19M | 0.03% | −16,006−18.8% | Reduced |
| DAFNA Capital Management LLC | 68,518 | $2.17M | 0.49% | 00.0% | Unchanged |
| First Trust Advisors LP | 68,470 | $2.17M | 0.00% | +30,157+78.7% | Added |
| Quantinno Capital Management LP | 65,744 | $2.09M | 0.00% | +42,158+178.7% | Added |
| Rafferty Asset Management, LLC | 65,050 | $2.06M | 0.01% | −49,180−43.1% | Reduced |
| Alliancebernstein L.P. | 65,540 | $1.78M | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 55,080 | $1.75M | 0.00% | −7,519−12.0% | Reduced |
| Alps Advisors Inc | 54,190 | $1.72M | 0.01% | −369−0.7% | Reduced |
| D. E. Shaw & Co., Inc. | 52,860 | $1.68M | 0.00% | −83,464−61.2% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 47,525 | $1.51M | 0.05% | +560+1.2% | Added |
| HRT Financial LP | 46,745 | $1.48M | 0.00% | −30,895−39.8% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 45,192 | $1.43M | 0.03% | +45,192 | New |
| Cinctive Capital Management LP | 41,233 | $1.31M | 0.09% | +41,233 | New |
| Vanguard Asset Management, Ltd | 41,091 | $1.30M | 0.00% | +41,091 | New |
| SEI Investments Co | 38,152 | $1.21M | 0.00% | +38,152 | New |
| SG Americas Securities, LLC | 38,008 | $1.21M | 0.00% | −9,332−19.7% | Reduced |