Celldex Therapeutics
Develops KIT and bispecific antibodies for mast-cell-driven inflammatory diseases.
$39.12
After-hours close+0.03 (+0.08%)
At close$39.09(−3.39%)
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Breakdown13F · Form 4
Institutions 133.00%Insiders 0.14%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 66.54M · Float 61.34M · 92.2% free float
Institutions13F, as of Jun 30, 2026
269 holders · 88.50M shares · 53 new positions · 159 increased · 57 reduced · 23 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Wellington Management Group LLP | 9.54M | 14.34% | +983.2K | Aug 14, 2026 |
| BlackRock, Inc. | 7.00M | 10.52% | +1.63M | Aug 7, 2026 |
| Kynam Capital Management, LP | 5.32M | 8.00% | −517.7K | Aug 14, 2026 |
| Price T Rowe Associates Inc /MD/ | 4.69M | 7.04% | +2.60M | Aug 14, 2026 |
| State Street Corp | 3.90M | 5.86% | +1.10M | Aug 7, 2026 |
| FMR LLC | 3.72M | 5.60% | −26.2K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 3.46M | 5.21% | +503.9K | Aug 13, 2026 |
| Deep Track Capital, LP | 2.94M | 4.42% | +1.66M | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Wellington Management Group LLP | 12.20% | 8.08M | 13G | Feb 10, 2026 ↗ |
| Kynam Capital Management, LP | 8.77% | 0 | 13G | May 15, 2026 ↗ |
| BlackRock, Inc. | 7.30% | 4.82M | 13G | Apr 17, 2025 ↗ |
| T. Rowe Price Associates, Inc. | 6.00% | 4.69M | 13G | Aug 14, 2026 ↗ |
| FMR LLC | 5.60% | 3.75M | 13G | May 6, 2026 ↗ |
| Vanguard Capital Management | 5.17% | 3.45M | 13G | Apr 29, 2026 ↗ |
| Commodore Capital LP | 5.00% | 3.35M | 13G | Apr 10, 2025 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Samuel Bates Martin | officer: SVP AND CFO | 32.9K | 0.05% | Jan 6, 2026 |
| Freddy A. Jimenez | officer: SVP & GENERAL COUNSEL | 30.8K | 0.05% | Dec 8, 2025 |
| Richard M. Wright | other: Former Officer | 20.8K | 0.03% | Nov 17, 2025 |
| Ronald Pepin | officer: SR. VP & CBO | 9.1K | 0.01% | Dec 17, 2025 |
6 ten-percent owners hold 402.6K shares by Form 4, outside the officers-and-directors figure above · 26 people have not refiled in the last 18 months (154.0K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Dec 4, 2025 | Freddy A. Jimenezofficer: SVP & GENERAL COUNSEL | Sale | 4,166 | $29.10 | 30,796 |
| Nov 13, 2025 | Richard M. Wrightother: Former Officer | Sale | 49,298 | $24.00 | 20,833 |
CongressHouse and Senate disclosures
Not reported.