Celldex TherapeuticsCLDX
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 228 institutions reported holding Celldex Therapeutics Inc. (CLDX) in their 13F filings, up 42 from Q4 2025. 51 opened new positions and 13 sold out. The largest holders were Wellington Management Group LLP ($271.5M), Kynam Capital Management, LP ($185.3M) and BlackRock, Inc. ($170.3M). 7 famous investors held it, including Steve Cohen (0.2% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Fisher (0.0% of Fisher Asset Management's portfolio).
- Company
- Celldex Therapeutics Inc.
- CUSIP
- 15117B202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 51 | $104.6M |
| Exits | 13 | $31.2M |
All 13F filers, Q4 2025 → Q1 2026: 8,425,694 shares bought and 8,955,411 shares sold, net −529,717 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 228 holders
| Wellington Management Group LLP | 0.05% | Add +6.0% | 8,560,476 | $271.5M |
| Kynam Capital Management, LP | 11.76% | Reduce -1.7% | 5,840,567 | $185.3M |
| BlackRock, Inc. | 0.00% | Reduce -1.5% | 5,369,885 | $170.3M |
| FMR LLC | 0.01% | Reduce -23.6% | 3,749,048 | $118.9M |
| Point72 Asset Management | 0.19% | Add +83.7% | 3,229,939 | $102.5M |
| Vanguard Capital Management LLC | 0.00% | — | 2,960,895 | $93.9M |
| State Street Corp. | 0.00% | Reduce -17.5% | 2,804,168 | $88.9M |
| Commodore Capital LP | 4.95% | Add +5.1% | 2,696,616 | $85.5M |
| T. Rowe Price Associates Inc. | 0.01% | Add +2.3% | 2,086,332 | $66.2M |
| Eversept Partners, LP | 3.74% | Add +24.6% | 1,788,016 | $56.7M |
| Geode Capital Management, LLC | 0.00% | Add +3.7% | 1,688,074 | $53.6M |
| Braidwell LP | 1.64% | Reduce -27.0% | 1,356,082 | $43.0M |
| Deep Track Capital, LP | 0.84% | Reduce -32.5% | 1,283,979 | $40.7M |
| Millennium Management | 0.03% | Add +3.4% | 1,253,532 | $39.8M |
| Vestal Point Capital, LP | 1.09% | Add +5.1% | 1,224,165 | $38.8M |
| Novo Holdings A/S | 3.08% | No change | 1,200,000 | $38.1M |
| Bellevue Group AG | 0.91% | Reduce -66.8% | 1,200,000 | $38.1M |
| Dimensional Fund Advisors LP | 0.01% | Add +62.6% | 1,059,534 | $33.6M |
| Eventide Asset Management, LLC | 0.54% | Reduce -36.9% | 1,037,000 | $32.9M |
| Fisher Asset Management | 0.01% | Add +8.2% | 1,013,648 | $32.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -7.5% | 988,416 | $31.4M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -4.6% | 923,696 | $29.3M |
| Elmind Capital, LP | 7.79% | No change | 865,000 | $27.4M |
| American Century Companies Inc. | 0.01% | Add +0.1% | 856,310 | $27.2M |
| Bank of America Corp. | 0.00% | Add +70.8% | 708,647 | $22.5M |
| Baker Bros. Advisors LP | 0.12% | No change | 665,370 | $21.1M |
| Rock Springs Capital Management LP | 1.22% | Reduce -6.1% | 650,270 | $20.6M |
| Vanguard Portfolio Management LLC | 0.00% | — | 629,252 | $20.0M |
| Northern Trust Corp. | 0.00% | Add +5.0% | 577,267 | $18.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.9% | 545,486 | $17.3M |
| Woodline Partners LP | 0.06% | No change | 500,127 | $15.9M |
| Affinity Asset Advisors, LLC | 0.95% | Add +42.9% | 500,000 | $15.9M |
| 5AM Venture Management, LLC | 4.38% | No change | 497,270 | $15.8M |
| Ikarian Capital, LLC | 2.09% | New | 461,247 | $14.6M |
| Logos Global Management LP | 0.73% | Add +28.6% | 450,000 | $14.3M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 429,597 | $13.6M |
| ADAR1 Capital Management, LLC | 0.82% | Reduce -33.9% | 427,816 | $13.6M |
| Kennedy Capital Management LLC | 0.24% | New | 352,302 | $11.2M |
| Segall Bryant & Hamill, LLC | 0.16% | Reduce -32.6% | 346,919 | $11.0M |
| Rosalind Advisors, Inc. | 4.29% | New | 330,000 | $10.5M |
| PFM Health Sciences, LP | 1.10% | Add +144.0% | 324,957 | $10.3M |
| Foresite Capital Management VI LLC | 2.18% | New | 315,913 | $10.0M |
| Tetragon Partners GP Ltd | 1.95% | Add +28.1% | 312,316 | $9.9M |
| UBS Group AG | 0.00% | Reduce -9.0% | 296,970 | $9.4M |
| Palo Alto Investors LP | 1.44% | New | 296,408 | $9.4M |
| Candriam S.C.A. | 0.05% | New | 278,888 | $8.8M |
| Redmile Group, LLC | 0.55% | Reduce -7.7% | 261,508 | $8.3M |
| Stempoint Capital LP | 1.55% | New | 254,267 | $8.1M |
| Sphera Funds Management LTD. | 1.33% | Add +1.6% | 243,575 | $7.7M |
| SummitTX Capital, L.P. | 0.24% | Add +446.2% | 236,637 | $7.5M |
| Morgan Stanley | 0.00% | Reduce -23.8% | 217,549 | $6.9M |
| Citigroup Inc. | 0.00% | Add +1356.5% | 217,335 | $6.9M |
| Algert Global LLC | 0.10% | Add +117.7% | 215,159 | $6.8M |
| Nuveen, LLC | 0.00% | Add +0.6% | 201,949 | $6.4M |
| Citadel Advisors | 0.00% | Add +264.1% | 200,612 | $6.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.1% | 190,399 | $6.0M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +55.8% | 184,104 | $5.8M |
| Superstring Capital Management LP | 4.08% | Add +103.9% | 180,048 | $5.7M |
| Silverarc Capital Management, LLC | 0.67% | Reduce -6.6% | 178,378 | $5.7M |
| Mirador Capital Partners LP | 0.80% | Add +4.3% | 178,053 | $5.6M |
| BNP Paribas Financial Markets | 0.00% | Reduce -23.8% | 175,788 | $5.6M |
| GordonMD Global Investments LP | 3.76% | No change | 170,307 | $5.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -5.1% | 164,778 | $4.9M |
| Assenagon Asset Management S.A. | 0.01% | New | 146,525 | $4.6M |
| Deutsche Bank AG | 0.00% | Add +4.8% | 143,037 | $4.5M |
| Panagora Asset Management Inc. | 0.02% | Add +551.2% | 142,327 | $4.5M |
| Two Sigma Investments, LP | 0.00% | Add +3.4% | 137,015 | $4.3M |
| Boothbay Fund Management, LLC | 0.10% | New | 134,945 | $4.3M |
| Propel Bio Management, LLC | 2.61% | Reduce -14.9% | 131,364 | $4.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Reduce -0.6% | 122,404 | $3.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.7% | 120,807 | $3.8M |
| Swiss National Bank | 0.00% | No change | 117,900 | $3.7M |
| PDT Partners, LLC | 0.18% | No change | 97,822 | $3.1M |
| Invesco Ltd. | 0.00% | Add +3.9% | 93,684 | $3.0M |
| Jane Street Group, LLC | 0.00% | New | 90,321 | $2.9M |
| HighVista Strategies LLC | 0.78% | Add +72.6% | 89,397 | $2.8M |
| Rhumbline Advisers | 0.00% | Reduce -1.5% | 85,983 | $2.7M |
| Balyasny Asset Management L.P. | 0.01% | New | 85,026 | $2.7M |
| California State Teachers Retirement System | 0.00% | Add +36.4% | 79,630 | $2.5M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +3.5% | 77,772 | $2.5M |
| TD Asset Management Inc | 0.00% | Add +5.6% | 70,292 | $2.2M |
| Birchview Capital, LP | 1.27% | New | 70,095 | $2.2M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +117.1% | 70,053 | $2.2M |
| Simplify Asset Management Inc. | 0.03% | Reduce -18.8% | 68,994 | $2.2M |
| DAFNA Capital Management LLC | 0.50% | No change | 68,518 | $2.2M |
| First Trust Advisors LP | 0.00% | Add +78.7% | 68,470 | $2.2M |
| Quantinno Capital Management LP | 0.00% | Add +178.7% | 65,744 | $2.1M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -43.0% | 65,050 | $2.1M |
| Alliancebernstein L.P. | 0.00% | No change | 65,540 | $1.8M |
| Legal & General Group Plc | 0.00% | Reduce -12.0% | 55,080 | $1.7M |
| Alps Advisors Inc. | 0.01% | Reduce -0.7% | 54,190 | $1.7M |
| D. E. Shaw & Co. | 0.00% | Reduce -61.2% | 52,860 | $1.7M |
| Hennion & Walsh Asset Management, Inc. | 0.05% | Add +1.2% | 47,525 | $1.5M |
| HRT Financial LP | 0.00% | Reduce -39.8% | 46,745 | $1.5M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | New | 45,192 | $1.4M |
| Cinctive Capital Management LP | 0.09% | New | 41,233 | $1.3M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 41,091 | $1.3M |
| Sei Investments Co. | 0.00% | New | 38,152 | $1.2M |
| SG Americas Securities, LLC | 0.00% | Reduce -19.7% | 38,008 | $1.2M |
| MetLife Investment Management, LLC | 0.01% | Reduce -0.9% | 36,663 | $1.2M |
"% of holder's portfolio" is CLDX's weight in each manager's 13F, not the share of Celldex Therapeutics Inc. the manager owns.