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, Q4 2025
Institutional positions in Celldex Therapeutics, Inc. as of Dec 31, 2025. 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
- 187
- +5 vs. Q3 2025
- Shares held
- 73.0M
- +2.45M (+3.5%) vs. Q3 2025
- Total value
- $1.99B
- +$167.8M (+9.2%) vs. Q3 2025
- New holders
- 25
- 58 more added
- Sold out
- 20
- 60 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DekaBank Deutsche Girozentrale | 25,000 | $1.14M | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 42,454 | $1.15M | 0.04% | +21,149+99.3% | Added |
| SummitTX Capital, L.P. | 43,324 | $1.18M | 0.04% | −52,746−54.9% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 46,965 | $1.28M | 0.04% | +11,182+31.2% | Added |
| SG Americas Securities, LLC | 47,340 | $1.29M | 0.00% | +27,872+143.2% | Added |
| Envestnet Asset Management Inc | 49,076 | $1.33M | 0.00% | −14,518−22.8% | Reduced |
| XTX Topco Ltd | 51,523 | $1.40M | 0.04% | +43,629+552.7% | Added |
| HighVista Strategies LLC | 51,805 | $1.41M | 0.36% | −83,453−61.7% | Reduced |
| Alps Advisors Inc | 54,559 | $1.48M | 0.01% | +22,643+70.9% | Added |
| Citadel Advisors LLC | 55,101 | $1.50M | 0.00% | −264,231−82.7% | Reduced |
| California State Teachers Retirement System | 58,397 | $1.59M | 0.00% | +2,886+5.2% | Added |
| Legal & General Group Plc | 62,599 | $1.70M | 0.00% | −6,980−10.0% | Reduced |
| Alliancebernstein L.P. | 65,540 | $1.78M | 0.00% | 00.0% | Unchanged |
| TD Asset Management Inc | 66,570 | $1.81M | 0.00% | −25,880−28.0% | Reduced |
| DAFNA Capital Management LLC | 68,518 | $1.86M | 0.43% | +44,000+179.5% | Added |
| Manufacturers Life Insurance Company, The | 75,130 | $2.01M | 0.00% | −11,944−13.7% | Reduced |
| HRT Financial LP | 77,640 | $2.11M | 0.01% | +13,471+21.0% | Added |
| Simplify Asset Management Inc. | 85,000 | $2.31M | 0.04% | 00.0% | Unchanged |
| Rhumbline Advisers | 87,264 | $2.37M | 0.00% | −15,893−15.4% | Reduced |
| Superstring Capital Management LP | 88,308 | $2.40M | 1.28% | +88,308 | New |
| Invesco Ltd. | 90,144 | $2.45M | 0.00% | +11,258+14.3% | Added |
| Wells Fargo & Company | 91,599 | $2.49M | 0.00% | +23,843+35.2% | Added |
| PDT Partners, LLC | 97,822 | $2.66M | 0.17% | 00.0% | Unchanged |
| Algert Global LLC | 98,847 | $2.68M | 0.04% | −4,900−4.7% | Reduced |
| Rafferty Asset Management, LLC | 114,230 | $3.10M | 0.01% | +16,770+17.2% | Added |
| UBS Asset Management Americas Inc | 117,589 | $3.19M | 0.00% | +12,111+11.5% | Added |
| Swiss National Bank | 117,900 | $3.20M | 0.00% | +2,100+1.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 118,205 | $3.21M | 0.01% | +118,205 | New |
| Renaissance Technologies LLC | 118,488 | $3.22M | 0.00% | −76,100−39.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 123,165 | $3.35M | 0.00% | +122,496+18,310.3% | Added |
| Two Sigma Investments, LP | 132,533 | $3.60M | 0.01% | +59,132+80.6% | Added |
| PFM Health Sciences, LP | 133,161 | $3.62M | 0.37% | +133,161 | New |
| D. E. Shaw & Co., Inc. | 136,324 | $3.70M | 0.00% | −121,008−47.0% | Reduced |
| Deutsche Bank AG | 136,485 | $3.71M | 0.00% | +1,928+1.4% | Added |
| Jump Financial, LLC | 145,164 | $3.94M | 0.05% | +131,021+926.4% | Added |
| Propel Bio Management, LLC | 154,300 | $4.19M | 3.58% | −700−0.5% | Reduced |
| GordonMD Global Investments LP | 170,307 | $4.63M | 3.32% | +170,307 | New |
| Mirador Capital Partners LP | 170,659 | $4.64M | 0.64% | +4,738+2.9% | Added |
| JPMorgan Chase & Co | 173,677 | $4.72M | 0.00% | −11,098−6.0% | Reduced |
| Silverarc Capital Management, LLC | 191,074 | $5.19M | 0.75% | −157,848−45.2% | Reduced |
| Bank of New York Mellon Corp | 194,552 | $5.28M | 0.00% | −11,142−5.4% | Reduced |
| Nuveen, LLC | 200,696 | $5.45M | 0.00% | −48,499−19.5% | Reduced |
| CI Private Wealth, LLC | 234,698 | $6.21M | 0.01% | −4,908−2.0% | Reduced |
| BNP Paribas Arbitrage, SA | 230,662 | $6.26M | 0.00% | +96,779+72.3% | Added |
| Sphera Funds Management Ltd. | 239,764 | $6.51M | 1.36% | +32,000+15.4% | Added |
| Barclays PLC | 240,594 | $6.53M | 0.00% | −4,231−1.7% | Reduced |
| Polygon Management Ltd. | 243,800 | $6.62M | 1.40% | −59,800−19.7% | Reduced |
| Redmile Group, LLC | 283,308 | $7.69M | 0.57% | −43,700−13.4% | Reduced |
| Morgan Stanley | 285,535 | $7.76M | 0.00% | −26,384−8.5% | Reduced |
| UBS Group AG | 326,462 | $8.87M | 0.00% | −89,985−21.6% | Reduced |
| Affinity Asset Advisors, LLC | 350,000 | $9.51M | 0.68% | +50,000+16.7% | Added |
| Logos Global Management LP | 350,000 | $9.51M | 0.63% | +350,000 | New |
| TSP Capital Management Group, LLC | – | $10.2M | 2.49% | – | – |
| Bank of America Corp | 414,888 | $11.3M | 0.00% | +76,077+22.5% | Added |
| 5AM Venture Management, LLC | 497,270 | $13.5M | 4.25% | 00.0% | Unchanged |
| Woodline Partners LP | 500,127 | $13.6M | 0.05% | +300,836+151.0% | Added |
| Segall Bryant & Hamill, LLC | 514,531 | $14.0M | 0.19% | −14,066−2.7% | Reduced |
| Northern Trust Corp | 549,998 | $14.9M | 0.00% | −45,387−7.6% | Reduced |
| Charles Schwab Investment Management Inc | 550,729 | $15.0M | 0.00% | −3,144−0.6% | Reduced |
| ADAR1 Capital Management, LLC | 646,767 | $17.6M | 1.31% | +537,325+491.0% | Added |
| Dimensional Fund Advisors LP | 651,716 | $17.7M | 0.00% | +394,633+153.5% | Added |
| Baker Bros. Advisors LP | 665,370 | $18.1M | 0.11% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 692,538 | $18.8M | 0.97% | −29,000−4.0% | Reduced |
| American Century Companies Inc | 855,226 | $23.2M | 0.01% | +39,666+4.9% | Added |
| Elmind Capital, LP | 865,000 | $23.5M | 6.93% | +865,000 | New |
| Fisher Asset Management, LLC | 937,158 | $25.5M | 0.01% | +10,001+1.1% | Added |
| Pictet Asset Management Holding SA | 968,616 | $26.3M | 0.03% | −243,374−20.1% | Reduced |
| Polar Capital Holdings Plc | 1,008,163 | $27.4M | 0.13% | −292,273−22.5% | Reduced |
| Goldman Sachs Group Inc | 1,068,131 | $29.0M | 0.00% | +38,671+3.8% | Added |
| Vestal Point Capital, LP | 1,165,000 | $31.6M | 1.16% | −40,000−3.3% | Reduced |
| Novo Holdings A/S | 1,200,000 | $32.6M | 2.53% | 00.0% | Unchanged |
| Millennium Management LLC | 1,212,705 | $32.9M | 0.02% | +237,510+24.4% | Added |
| Eversept Partners, LP | 1,434,725 | $39.0M | 2.18% | +280,805+24.3% | Added |
| Geode Capital Management, LLC | 1,627,529 | $44.2M | 0.00% | −19,607−1.2% | Reduced |
| Eventide Asset Management, LLC | 1,642,559 | $44.6M | 0.70% | −216,536−11.6% | Reduced |
| Point72 Asset Management, L.P. | 1,758,357 | $47.8M | 0.07% | −2,135,585−54.8% | Reduced |
| Braidwell LP | 1,858,109 | $50.5M | 1.61% | +1,266,420+214.0% | Added |
| Deep Track Capital, LP | 1,900,738 | $51.6M | 1.18% | −99,262−5.0% | Reduced |
| Price T Rowe Associates Inc | 2,039,705 | $55.4M | 0.01% | −342,813−14.4% | Reduced |
| Commodore Capital LP | 2,565,000 | $69.7M | 4.64% | −463,335−15.3% | Reduced |
| State Street Corp | 3,397,713 | $92.3M | 0.00% | +555,579+19.5% | Added |
| Bellevue Group AG | 3,617,669 | $98.3M | 1.86% | +60,000+1.7% | Added |
| Vanguard Group Inc | 4,027,407 | $109.4M | 0.00% | +72,817+1.8% | Added |
| FMR LLC | 4,907,469 | $133.3M | 0.01% | −54,619−1.1% | Reduced |
| BlackRock, Inc. | 5,451,815 | $148.1M | 0.00% | −54,173−1.0% | Reduced |
| Kynam Capital Management, LP | 5,943,180 | $161.4M | 10.51% | −157,549−2.6% | Reduced |
| Wellington Management Group LLP | 8,079,608 | $219.4M | 0.04% | +2,279,605+39.3% | Added |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −100,308−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −55,140−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −48,906−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −48,099−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −46,520−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −31,618−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −27,367−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −22,721−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −18,308−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −14,362−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −11,632−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −8,809−100.0% | Sold out |