Celldex Therapeutics
CLDX · NASDAQ
$30.29+$0.62 (+2.09%)TodayMarket closed ·
Prev close $29.67
Who owns CLDX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 53.5% of CLDX’s shares.
- Wellington Management Company, LLP12.2%
- BlackRock Institutional Trust Company, N.A.7.3%
- Kynam Capital Management LP6.8%
- T. Rowe Price Associates, Inc.5.8%
- Next 6 largest institutions21.4%
- All other shareholders46.5%
| Holder | Shares | % of shares |
|---|---|---|
| Wellington Management Company, LLP | 9.54M | 12.16% |
| BlackRock Institutional Trust Company, N.A. | 5.76M | 7.34% |
| Kynam Capital Management LP | 5.32M | 6.78% |
| T. Rowe Price Associates, Inc. | 4.56M | 5.81% |
| State Street Investment Management (US) | 3.90M | 4.97% |
| Vanguard Capital Management, LLC | 3.46M | 4.41% |
| Deep Track Capital LP | 2.94M | 3.74% |
| Fidelity Management & Research Company LLC | 2.34M | 2.98% |
| Logos Global Management LP | 2.10M | 2.68% |
| Geode Capital Management, L.L.C. | 2.02M | 2.58% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Health Care Fund | 4.28M | 5.45% |
| BB Biotech Fd | 3.31M | 4.21% |
| Vanguard Total Stock Market Index Fund | 2.50M | 3.19% |
| State Street SPDR S&P Biotech ETF | 2.13M | 2.72% |
| iShares Russell 2000 ETF | 2.03M | 2.59% |
Short interest
Settled Sep 30, 2026
- Shares short
- 11.01M
- Days to cover
- 3.81
- % of shares outstanding
- 14.02%
- Average daily volume
- 2.89M
- Change since last report
- +22.9%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.