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, Q2 2026
Institutional positions in Celldex Therapeutics, Inc. as of Jun 30, 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
- 253
- +26 vs. Q1 2026
- Shares held
- 85.0M
- +12.5M (+17.2%) vs. Q1 2026
- Total value
- $3.16B
- +$850.9M (+36.8%) vs. Q1 2026
- New holders
- 47
- 106 more added
- Sold out
- 21
- 57 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rafferty Asset Management, LLC | 56,157 | $2.09M | 0.00% | −8,893−13.7% | Reduced |
| Caption Management, LLC | 55,700 | $2.07M | 0.07% | +55,700 | New |
| Simplify Asset Management Inc. | 53,134 | $1.98M | 0.03% | −15,860−23.0% | Reduced |
| Burkehill Global Management, LP | 50,000 | $1.86M | 0.07% | +50,000 | New |
| Seven Grand Managers, LLC | 50,000 | $1.86M | 0.07% | +50,000 | New |
| Vanguard Asset Management, Ltd | 49,731 | $1.85M | 0.00% | +8,640+21.0% | Added |
| Hennion & Walsh Asset Management, Inc. | 47,113 | $1.75M | 0.05% | −412−0.9% | Reduced |
| MetLife Investment Management | 45,527 | $1.69M | 0.01% | +8,864+24.2% | Added |
| Aquatic Capital Management LLC | 43,743 | $1.63M | 0.06% | +38,613+752.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 42,518 | $1.58M | 0.00% | +7,179+20.3% | Added |
| HRT Financial LP | 37,453 | $1.39M | 0.00% | −9,292−19.9% | Reduced |
| Creative Planning | 35,670 | $1.33M | 0.00% | +2,234+6.7% | Added |
| State of Wisconsin Investment Board | 35,569 | $1.32M | 0.00% | +1,460+4.3% | Added |
| Engineers Gate Manager LP | 33,842 | $1.26M | 0.02% | +33,842 | New |
| Envestnet Asset Management Inc | 33,272 | $1.24M | 0.00% | +219+0.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 32,257 | $1.20M | 0.02% | −12,935−28.6% | Reduced |
| Diversified Trust Co | 31,330 | $1.17M | 0.02% | +24,309+346.2% | Added |
| BNP Paribas Arbitrage, SA | 31,191 | $1.16M | 0.00% | −144,597−82.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,677 | $1.14M | 0.00% | 00.0% | Unchanged |
| Jupiter Topco LLC | 30,042 | $1.12M | 0.00% | +30,042 | New |
| Vanguard Global Advisers, LLC | 29,453 | $1.10M | 0.00% | +3,416+13.1% | Added |
| Profund Advisors LLC | 28,930 | $1.08M | 0.03% | −596−2.0% | Reduced |
| Victory Capital Management Inc | 28,834 | $1.07M | 0.00% | +1,412+5.1% | Added |
| Apella Capital, LLC | 26,658 | $1.06M | 0.02% | +9,634+56.6% | Added |
| New York State Common Retirement Fund | 28,437 | $1.06M | 0.00% | +6,200+27.9% | Added |
| Capital Fund Management S.A. | 28,417 | $1.06M | 0.01% | +28,417 | New |
| SEI Investments Co | 27,780 | $1.03M | 0.00% | −10,372−27.2% | Reduced |
| Handelsbanken Fonder AB | 27,200 | $1.01M | 0.00% | +1,300+5.0% | Added |
| Balyasny Asset Management LLC | 26,313 | $979.1K | 0.00% | −58,713−69.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 23,053 | $857.8K | 0.01% | +4,925+27.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 22,180 | $825.3K | 0.01% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 21,755 | $809.5K | 0.00% | +1,316+6.4% | Added |
| Intech Investment Management LLC | 21,411 | $796.7K | 0.01% | +56+0.3% | Added |
| DekaBank Deutsche Girozentrale | 25,000 | $782.0K | 0.00% | 00.0% | Unchanged |
| Verdad Advisers, LP | 20,704 | $770.4K | 0.74% | +20,704 | New |
| Ghisallo Capital Management LLC | 20,000 | $744.2K | 0.01% | +20,000 | New |
| Susquehanna International Group, LLP | 19,080 | $710.0K | 0.00% | −16,868−46.9% | Reduced |
| Arizona State Retirement System | 18,565 | $690.8K | 0.00% | +2,139+13.0% | Added |
| D. E. Shaw & Co., Inc. | 17,826 | $663.3K | 0.00% | −35,034−66.3% | Reduced |
| Vanguard Investments Australia, Ltd. | 17,766 | $661.1K | 0.00% | +3,421+23.8% | Added |
| Quadrature Capital Ltd | 16,846 | $626.8K | 0.01% | −7,594−31.1% | Reduced |
| Prudential Financial Inc | 16,698 | $621.3K | 0.00% | +6,295+60.5% | Added |
| SBI Okasan Asset Management Co.Ltd. | 16,400 | $614.0K | 0.02% | 00.0% | Unchanged |
| DV Equities, LLC | 16,500 | $614.0K | 0.09% | +16,500 | New |
| KLP Kapitalforvaltning AS | 15,200 | $565.6K | 0.00% | +2,400+18.8% | Added |
| Barclays PLC | 15,087 | $561.4K | 0.00% | +1,112+8.0% | Added |
| Voya Investment Management LLC | 14,957 | $556.5K | 0.00% | +3,238+27.6% | Added |
| State Board of Administration of Florida Retirement System | 14,537 | $540.9K | 0.00% | 00.0% | Unchanged |
| PSP Research LLC | 13,000 | $483.7K | 0.26% | 00.0% | Unchanged |
| STRS Ohio | 12,800 | $476.3K | 0.00% | +12,800 | New |
| AlphaCentric Advisors LLC | 12,784 | $475.7K | 0.40% | +170+1.3% | Added |
| Capstone Investment Advisors, LLC | 11,822 | $439.9K | 0.00% | +11,822 | New |
| Great West Life Assurance Co | 11,726 | $435.0K | 0.00% | +5,388+85.0% | Added |
| Overbrook Management Corp | 11,537 | $429.3K | 0.06% | 00.0% | Unchanged |
| DnB Asset Management AS | 11,350 | $422.3K | 0.00% | −6,737−37.2% | Reduced |
| Glenmede Trust Co NA | 11,267 | $419.2K | 0.00% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 10,464 | $389.4K | 0.09% | +553+5.6% | Added |
| Bank of Montreal | 10,395 | $386.8K | 0.00% | −2,600−20.0% | Reduced |
| ProShare Advisors LLC | 10,237 | $380.9K | 0.00% | +744+7.8% | Added |
| Fred Alger Management, LLC | 9,448 | $351.6K | 0.00% | −9,006−48.8% | Reduced |
| Amundi | 9,351 | $348.0K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 9,004 | $335.0K | 0.00% | +9,004 | New |
| Nomura Holdings Inc | 8,201 | $305.2K | 0.00% | +8,201 | New |
| Brevan Howard Capital Management LP | 8,131 | $302.6K | 0.00% | −1,124−12.1% | Reduced |
| Magnetar Financial LLC | 7,954 | $296.0K | 0.00% | +7,954 | New |
| E Fund Management Co., Ltd. | 7,918 | $294.6K | 0.01% | −260−3.2% | Reduced |
| SG Americas Securities, LLC | 7,889 | $294.0K | 0.00% | −30,119−79.2% | Reduced |
| Allstate Corp | 7,848 | $292.0K | 0.00% | +7,848 | New |
| Teacher Retirement System of Texas | 7,812 | $290.7K | 0.00% | +56+0.7% | Added |
| Public Employees Retirement Association of Colorado | 7,787 | $290.0K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 7,736 | $287.9K | 0.00% | +7,736 | New |
| Cetera Investment Advisers | 7,288 | $271.2K | 0.00% | +92+1.3% | Added |
| Ameritas Investment Partners, Inc. | 7,094 | $264.0K | 0.01% | +1,622+29.6% | Added |
| Ensign Peak Advisors, Inc | 6,578 | $244.8K | 0.00% | +300+4.8% | Added |
| Panoramic Investment Advisors, LLC | 6,500 | $241.9K | 0.12% | 00.0% | Unchanged |
| Blackstone Group Inc. | 6,438 | $239.6K | 0.00% | +6,438 | New |
| Mercer Global Advisors Inc | 6,307 | $234.7K | 0.00% | +6,307 | New |
| Argent Trust Co | 6,204 | $230.9K | 0.01% | +6,204 | New |
| Transcend Wealth Collective, LLC | 6,196 | $230.6K | 0.02% | −415−6.3% | Reduced |
| JustInvest LLC | 6,084 | $226.4K | 0.00% | +6,084 | New |
| T3 Companies, LLC | 6,000 | $223.3K | 0.26% | +6,000 | New |
| Abel Hall, LLC | 5,838 | $217.2K | 0.04% | +5,838 | New |
| Mitsubishi UFJ Trust & Banking Corp | 5,773 | $214.8K | 0.00% | +5,773 | New |
| Ameriprise Financial Inc | 5,579 | $207.6K | 0.00% | +5,579 | New |
| LPL Financial LLC | 5,550 | $206.5K | 0.00% | +5,550 | New |
| Tower Research Capital LLC (TRC) | 5,191 | $193.2K | 0.00% | −393−7.0% | Reduced |
| Meeder Asset Management Inc | 5,009 | $186.4K | 0.01% | +5,009 | New |
| Quantbot Technologies LP | 2,935 | $109.2K | 0.00% | +463+18.7% | Added |
| Royal Bank of Canada | 2,747 | $102.0K | 0.00% | +2,245+447.2% | Added |
| Acadian Asset Management LLC | 2,781 | $102.0K | 0.00% | +2,781 | New |
| KBC Group NV | 2,411 | $90.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,245 | $83.5K | 0.00% | +1,305+138.8% | Added |
| Pinnacle Wealth Planning Services, Inc. | 2,242 | $83.4K | 0.01% | 00.0% | Unchanged |
| Nykredit A/S | 1,793 | $66.7K | 0.00% | +1,793 | New |
| Bryn Mawr Trust Co | 1,633 | $60.8K | 0.00% | 00.0% | Unchanged |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,481 | $55.1K | 0.00% | +1,481 | New |
| Caitong International Asset Management Co., Ltd | 1,455 | $54.1K | 0.01% | −1,170−44.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 1,330 | $49.5K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,296 | $48.2K | 0.00% | +145+12.6% | Added |
| Pacer Advisors, Inc. | 938 | $35.0K | 0.00% | +938 | New |