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 $3.19B 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
- 85.8M
- +13.0M (+17.9%) vs. Q1 2026
- Total value
- $3.19B
- +$872.2M (+37.6%) 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 | $3.19B |
| Q1 2026 | 229 | $2.32B |
| Q4 2025 | 187 | $2.00B |
| 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 | $2.94B |
| Q4 2023 | 164 | $2.45B |
| Q3 2023 | 143 | $1.39B |
| Q2 2023 | 150 | $1.70B |
| Q1 2023 | 161 | $2.03B |
| Q4 2022 | 168 | $2.17B |
| Q3 2022 | 161 | $1.39B |
| Q2 2022 | 158 | $1.30B |
| Q1 2022 | 169 | $1.69B |
| Q4 2021 | 181 | $1.81B |
| Q3 2021 | 161 | $2.33B |
| Q2 2021 | 132 | $1.23B |
| 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 |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 9,543,671 | $355.1M | 0.06% | +983,195+11.5% | Added |
| BlackRock, Inc. | 7,002,530 | $260.6M | 0.00% | +1,632,645+30.4% | Added |
| Kynam Capital Management, LP | 5,322,908 | $198.1M | 10.95% | −517,659−8.9% | Reduced |
| Price T Rowe Associates Inc | 4,685,223 | $174.3M | 0.02% | +2,598,891+124.6% | Added |
| State Street Corp | 3,900,427 | $145.1M | 0.00% | +1,096,259+39.1% | Added |
| FMR LLC | 3,722,888 | $138.5M | 0.01% | −26,160−0.7% | Reduced |
| Vanguard Capital Management LLC | 3,464,831 | $128.9M | 0.00% | +503,936+17.0% | Added |
| Deep Track Capital, LP | 2,939,151 | $109.4M | 1.61% | +1,655,172+128.9% | Added |
| Logos Global Management LP | 2,100,000 | $78.1M | 3.36% | +1,650,000+366.7% | Added |
| Geode Capital Management, LLC | 2,022,226 | $75.3M | 0.00% | +334,152+19.8% | Added |
| Eversept Partners, LP | 1,785,941 | $66.5M | 3.62% | −2,075−0.1% | Reduced |
| Goldman Sachs Group Inc | 1,615,343 | $60.1M | 0.01% | +626,927+63.4% | Added |
| Assenagon Asset Management S.A. | 1,577,392 | $58.7M | 0.04% | +1,430,867+976.5% | Added |
| Commodore Capital LP | 1,350,000 | $50.2M | 2.99% | −1,346,616−49.9% | Reduced |
| Bellevue Group AG | 1,200,000 | $44.7M | 0.94% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 1,182,611 | $44.0M | 0.22% | +517,241+77.7% | Added |
| Millennium Management LLC | 1,170,787 | $43.6M | 0.03% | −82,745−6.6% | Reduced |
| Dimensional Fund Advisors LP | 1,073,985 | $40.0M | 0.01% | +14,451+1.4% | Added |
| American Century Companies Inc | 1,042,395 | $38.8M | 0.02% | +186,085+21.7% | Added |
| Eventide Asset Management, LLC | 1,037,000 | $38.6M | 0.52% | 00.0% | Unchanged |
| Novo Holdings A/S | 1,025,000 | $38.1M | 2.21% | −175,000−14.6% | Reduced |
| Elmind Capital, LP | 990,000 | $36.8M | 9.25% | +125,000+14.5% | Added |
| Driehaus Capital Management LLC | 989,442 | $36.8M | 0.21% | +989,442 | New |
| Fisher Asset Management, LLC | 985,677 | $36.7M | 0.01% | −27,971−2.8% | Reduced |
| Pictet Asset Management Holding SA | 917,408 | $34.1M | 0.03% | −6,288−0.7% | Reduced |
| Foresite Capital Management VI LLC | 879,713 | $32.7M | 5.09% | +563,800+178.5% | Added |
| Vanguard Portfolio Management LLC | 863,536 | $32.1M | 0.00% | +234,284+37.2% | Added |
| Northern Trust Corp | 719,647 | $26.8M | 0.00% | +142,380+24.7% | Added |
| Woodline Partners LP | 700,830 | $26.1M | 0.08% | +200,703+40.1% | Added |
| Affinity Asset Advisors, LLC | 700,000 | $26.0M | 1.27% | +200,000+40.0% | Added |
| Rock Springs Capital Management LP | 699,146 | $26.0M | 1.27% | +48,876+7.5% | Added |
| Two Sigma Investments, LP | 661,235 | $24.6M | 0.02% | +524,220+382.6% | Added |
| Charles Schwab Investment Management Inc | 655,954 | $24.4M | 0.00% | +110,468+20.3% | Added |
| Algert Global LLC | 647,836 | $24.1M | 0.29% | +432,677+201.1% | Added |
| ADAR1 Capital Management, LLC | 619,542 | $23.1M | 1.08% | +191,726+44.8% | Added |
| Bank of America Corp | 607,195 | $22.6M | 0.00% | −101,452−14.3% | Reduced |
| Panagora Asset Management Inc | 572,538 | $21.3M | 0.07% | +430,211+302.3% | Added |
| Nuveen, LLC | 568,460 | $21.2M | 0.01% | +366,511+181.5% | Added |
| Vanguard Fiduciary Trust Co | 552,973 | $20.6M | 0.00% | +123,376+28.7% | Added |
| 5AM Venture Management, LLC | 497,270 | $18.5M | 6.43% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 492,893 | $18.3M | 0.03% | +492,893 | New |
| UBS Group AG | 481,997 | $17.9M | 0.00% | +185,027+62.3% | Added |
| Candriam Luxembourg S.C.A. | 481,125 | $17.9M | 0.08% | +202,237+72.5% | Added |
| Ikarian Capital, LLC | 478,500 | $17.8M | 2.91% | +17,253+3.7% | Added |
| Braidwell LP | 436,646 | $16.2M | 0.60% | −919,436−67.8% | Reduced |
| Redmile Group, LLC | 433,921 | $16.1M | 1.08% | +172,413+65.9% | Added |
| Citigroup Inc | 404,703 | $15.1M | 0.01% | +187,368+86.2% | Added |
| Palo Alto Investors LP | 399,856 | $14.9M | 2.06% | +103,448+34.9% | Added |
| TSP Capital Management Group, LLC | 371,127 | $13.8M | 3.30% | – | – |
| PFM Health Sciences, LP | 342,751 | $12.8M | 1.11% | +17,794+5.5% | Added |
| Kennedy Capital Management, Inc. | 342,328 | $12.7M | 0.23% | −9,974−2.8% | Reduced |
| Segall Bryant & Hamill, LLC | 336,291 | $12.5M | 0.15% | −10,628−3.1% | Reduced |
| Polygon Management Ltd. | 290,441 | $10.8M | 1.76% | −21,875−7.0% | Reduced |
| Superstring Capital Management LP | 287,583 | $10.7M | 6.76% | +107,535+59.7% | Added |
| GordonMD Global Investments LP | 279,720 | $10.4M | 5.04% | +109,413+64.2% | Added |
| SummitTX Capital, L.P. | 254,959 | $9.49M | 0.25% | +18,322+7.7% | Added |
| Sphera Funds Management Ltd. | 240,868 | $8.96M | 1.28% | −2,707−1.1% | Reduced |
| Bank of New York Mellon Corp | 224,176 | $8.34M | 0.00% | +33,777+17.7% | Added |
| Rosalind Advisors, Inc. | 200,000 | $7.44M | 2.80% | −130,000−39.4% | Reduced |
| Morgan Stanley | 196,974 | $7.33M | 0.00% | −20,575−9.5% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 195,788 | $7.29M | 0.01% | +125,735+179.5% | Added |
| Trexquant Investment LP | 184,524 | $6.87M | 0.04% | +184,524 | New |
| Mirador Capital Partners LP | 181,054 | $6.74M | 0.83% | +3,001+1.7% | Added |
| StemPoint Capital LP | 178,412 | $6.64M | 1.15% | −330,122−64.9% | Reduced |
| CI Private Wealth, LLC | 176,956 | $6.58M | 0.01% | +162,320+1,109.0% | Added |
| Deutsche Bank AG | 176,592 | $6.57M | 0.00% | +33,555+23.5% | Added |
| JPMorgan Chase & Co | 157,241 | $6.00M | 0.00% | −7,537−4.6% | Reduced |
| Cinctive Capital Management LP | 145,637 | $5.42M | 0.22% | +104,404+253.2% | Added |
| Boothbay Fund Management, LLC | 140,064 | $5.21M | 0.10% | +5,119+3.8% | Added |
| First Trust Advisors LP | 138,682 | $5.16M | 0.00% | +70,212+102.5% | Added |
| Swiss National Bank | 135,000 | $5.02M | 0.00% | +17,100+14.5% | Added |
| UBS Asset Management Americas Inc | 134,958 | $5.02M | 0.00% | +14,151+11.7% | Added |
| Suvretta Capital Management, LLC | 121,297 | $4.51M | 0.09% | +121,297 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 120,428 | $4.48M | 0.01% | −63,676−34.6% | Reduced |
| Point72 Asset Management, L.P. | 117,217 | $4.36M | 0.01% | −3,112,722−96.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 117,045 | $4.36M | 0.00% | −5,359−4.4% | Reduced |
| Jump Financial, LLC | 116,293 | $4.33M | 0.04% | +107,473+1,218.5% | Added |
| Rhumbline Advisers | 104,963 | $3.91M | 0.00% | +18,980+22.1% | Added |
| Propel Bio Management, LLC | 103,695 | $3.86M | 2.02% | −27,669−21.1% | Reduced |
| Invesco Ltd. | 103,131 | $3.84M | 0.00% | +9,447+10.1% | Added |
| Russell Investments Group, Ltd. | 100,452 | $3.74M | 0.00% | +91,961+1,083.0% | Added |
| Integral Health Asset Management, LLC | 100,000 | $3.72M | 0.15% | +100,000 | New |
| Odyssean, LLC | 95,069 | $3.54M | 0.58% | +95,069 | New |
| Manufacturers Life Insurance Company, The | 89,338 | $3.32M | 0.00% | +11,566+14.9% | Added |
| HighVista Strategies LLC | 86,964 | $3.24M | 0.74% | −2,433−2.7% | Reduced |
| AQR Capital Management LLC | 86,893 | $3.23M | 0.00% | +79,116+1,017.3% | Added |
| Seven Fleet Capital Management LP | 86,664 | $3.22M | 0.53% | +57,364+195.8% | Added |
| PDT Partners, LLC | 80,899 | $3.01M | 0.16% | −16,923−17.3% | Reduced |
| TD Asset Management Inc | 79,326 | $2.95M | 0.00% | +9,034+12.9% | Added |
| Alps Advisors Inc | 79,165 | $2.95M | 0.01% | +24,975+46.1% | Added |
| Wells Fargo & Company | 78,176 | $2.91M | 0.00% | +43,018+122.4% | Added |
| California State Teachers Retirement System | 77,723 | $2.89M | 0.00% | −1,907−2.4% | Reduced |
| Alliancebernstein L.P. | 88,640 | $2.81M | 0.00% | +23,100+35.2% | Added |
| XTX Topco Ltd | 75,135 | $2.80M | 0.04% | +63,061+522.3% | Added |
| Birchview Capital, LP | 69,900 | $2.60M | 1.22% | −195−0.3% | Reduced |
| Quantinno Capital Management LP | 69,048 | $2.57M | 0.00% | +3,304+5.0% | Added |
| DAFNA Capital Management LLC | 68,518 | $2.55M | 0.49% | 00.0% | Unchanged |
| Man Group plc | 63,504 | $2.36M | 0.00% | +63,504 | New |
| Teachers Retirement System of the State of Kentucky | 59,732 | $2.22M | 0.02% | +26,634+80.5% | Added |
| Legal & General Group Plc | 59,551 | $2.22M | 0.00% | +4,471+8.1% | Added |