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 | 143 | $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 |
|---|---|---|---|---|---|
| Polygon Management Ltd. | 290,441 | $10.8M | 1.76% | −21,875−7.0% | Reduced |
| Segall Bryant & Hamill, LLC | 336,291 | $12.5M | 0.15% | −10,628−3.1% | Reduced |
| Kennedy Capital Management, Inc. | 342,328 | $12.7M | 0.23% | −9,974−2.8% | Reduced |
| PFM Health Sciences, LP | 342,751 | $12.8M | 1.11% | +17,794+5.5% | Added |
| TSP Capital Management Group, LLC | 371,127 | $13.8M | 3.30% | – | – |
| Palo Alto Investors LP | 399,856 | $14.9M | 2.06% | +103,448+34.9% | Added |
| Citigroup Inc | 404,703 | $15.1M | 0.01% | +187,368+86.2% | Added |
| Redmile Group, LLC | 433,921 | $16.1M | 1.08% | +172,413+65.9% | Added |
| Braidwell LP | 436,646 | $16.2M | 0.60% | −919,436−67.8% | Reduced |
| Ikarian Capital, LLC | 478,500 | $17.8M | 2.91% | +17,253+3.7% | Added |
| Candriam Luxembourg S.C.A. | 481,125 | $17.9M | 0.08% | +202,237+72.5% | Added |
| UBS Group AG | 481,997 | $17.9M | 0.00% | +185,027+62.3% | Added |
| Federated Hermes, Inc. | 492,893 | $18.3M | 0.03% | +492,893 | New |
| 5AM Venture Management, LLC | 497,270 | $18.5M | 6.43% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 552,973 | $20.6M | 0.00% | +123,376+28.7% | Added |
| Nuveen, LLC | 568,460 | $21.2M | 0.01% | +366,511+181.5% | Added |
| Panagora Asset Management Inc | 572,538 | $21.3M | 0.07% | +430,211+302.3% | Added |
| Bank of America Corp | 607,195 | $22.6M | 0.00% | −101,452−14.3% | Reduced |
| ADAR1 Capital Management, LLC | 619,542 | $23.1M | 1.08% | +191,726+44.8% | Added |
| Algert Global LLC | 647,836 | $24.1M | 0.29% | +432,677+201.1% | Added |
| Charles Schwab Investment Management Inc | 655,954 | $24.4M | 0.00% | +110,468+20.3% | Added |
| Two Sigma Investments, LP | 661,235 | $24.6M | 0.02% | +524,220+382.6% | Added |
| Rock Springs Capital Management LP | 699,146 | $26.0M | 1.27% | +48,876+7.5% | Added |
| Affinity Asset Advisors, LLC | 700,000 | $26.0M | 1.27% | +200,000+40.0% | Added |
| Woodline Partners LP | 700,830 | $26.1M | 0.08% | +200,703+40.1% | Added |
| Northern Trust Corp | 719,647 | $26.8M | 0.00% | +142,380+24.7% | Added |
| Assenagon Asset Management S.A. | 788,696 | $29.3M | 0.04% | +642,171+438.3% | Added |
| Vanguard Portfolio Management LLC | 863,536 | $32.1M | 0.00% | +234,284+37.2% | Added |
| Foresite Capital Management VI LLC | 879,713 | $32.7M | 5.09% | +563,800+178.5% | Added |
| Pictet Asset Management Holding SA | 917,408 | $34.1M | 0.03% | −6,288−0.7% | Reduced |
| Fisher Asset Management, LLC | 985,677 | $36.7M | 0.01% | −27,971−2.8% | Reduced |
| Driehaus Capital Management LLC | 989,442 | $36.8M | 0.21% | +989,442 | New |
| Elmind Capital, LP | 990,000 | $36.8M | 9.25% | +125,000+14.5% | Added |
| Novo Holdings A/S | 1,025,000 | $38.1M | 2.22% | −175,000−14.6% | Reduced |
| Eventide Asset Management, LLC | 1,037,000 | $38.6M | 0.52% | 00.0% | Unchanged |
| American Century Companies Inc | 1,042,395 | $38.8M | 0.02% | +186,085+21.7% | Added |
| Dimensional Fund Advisors LP | 1,073,985 | $40.0M | 0.01% | +14,451+1.4% | Added |
| Millennium Management LLC | 1,170,787 | $43.6M | 0.03% | −82,745−6.6% | Reduced |
| Baker Bros. Advisors LP | 1,182,611 | $44.0M | 0.22% | +517,241+77.7% | Added |
| Bellevue Group AG | 1,200,000 | $44.7M | 0.94% | 00.0% | Unchanged |
| Commodore Capital LP | 1,350,000 | $50.2M | 2.99% | −1,346,616−49.9% | Reduced |
| Goldman Sachs Group Inc | 1,615,343 | $60.1M | 0.01% | +626,927+63.4% | Added |
| Eversept Partners, LP | 1,785,941 | $66.5M | 3.62% | −2,075−0.1% | Reduced |
| Geode Capital Management, LLC | 2,022,226 | $75.3M | 0.00% | +334,152+19.8% | Added |
| Logos Global Management LP | 2,100,000 | $78.1M | 3.36% | +1,650,000+366.7% | Added |
| Deep Track Capital, LP | 2,939,151 | $109.4M | 1.61% | +1,655,172+128.9% | Added |
| Vanguard Capital Management LLC | 3,464,831 | $128.9M | 0.00% | +503,936+17.0% | Added |
| FMR LLC | 3,722,888 | $138.5M | 0.01% | −26,160−0.7% | Reduced |
| State Street Corp | 3,900,427 | $145.1M | 0.00% | +1,096,259+39.1% | Added |
| Price T Rowe Associates Inc | 4,685,223 | $174.3M | 0.02% | +2,598,891+124.6% | Added |
| Kynam Capital Management, LP | 5,322,908 | $198.1M | 10.95% | −517,659−8.9% | Reduced |
| BlackRock, Inc. | 7,002,530 | $260.6M | 0.00% | +1,632,645+30.4% | Added |
| Wellington Management Group LLP | 9,543,671 | $355.1M | 0.06% | +983,195+11.5% | Added |
| Vestal Point Capital, LP | 0 | $0 | 0.00% | −1,224,165−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −200,612−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −178,378−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −90,321−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −35,393−100.0% | Sold out |
| ArrowMark Colorado Holdings LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −19,830−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −11,445−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −9,502−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −8,147−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −7,763−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −7,430−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −7,237−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −4,625−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −454−100.0% | Sold out |
| Innovative Asset Advisors Group, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −160−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Scarborough Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |