Who owns Celldex Therapeutics, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CLDX from SEC Form 13F filings across 253 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 253 institutions disclosed 84.8M shares of Celldex Therapeutics, Inc. worth $3.15B — about 108.9% of shares outstanding; the largest disclosed holder is WELLINGTON MANAGEMENT GROUP LLP. Source: SEC Form 13F filings, parsed by EvidInvest.
253
13F holders
$3.15B
value, 2026 filers
108.9%
of shares outstanding (84.8M sh)
48
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CLDX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | 9.5M | $355.1M | 0.1% | 12.3% | +11.5% |
| 2 | BlackRock, Inc. | 7.0M | $260.6M | 0.0% | 9% | +30.4% |
| 3 | Kynam Capital Management, LP | 5.3M | $198.1M | 10.9% | 6.8% | -8.9% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | 4.7M | $174.3M | 0.0% | 6% | +124.6% |
| 5 | STATE STREET CORP | 3.9M | $145.1M | 0.0% | 5% | +39.1% |
| 6 | FMR LLC | 3.7M | $138.5M | 0.0% | 4.8% | -0.7% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 3.5M | $128.9M | 0.0% | 4.5% | +17.0% |
| 8 | Deep Track Capital, LP | 2.9M | $109.4M | 1.6% | 3.8% | +128.9% |
| 9 | Logos Global Management LP | 2.1M | $78.1M | 3.4% | 2.7% | +366.7% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 2.0M | $75.3M | 0.0% | 2.6% | +19.8% |
| 11 | Eversept Partners, LP | 1.8M | $66.5M | 3.4% | 2.3% | -0.1% |
| 12 | GOLDMAN SACHS GROUP INC | 1.6M | $60.1M | 0.0% | 2.1% | +63.4% |
| 13 | Commodore Capital LP | 1.4M | $50.2M | 3.0% | 1.7% | -49.9% |
| 14 | Bellevue Group AG | 1.2M | $44.7M | 0.9% | 1.5% | 0.0% |
| 15 | BAKER BROS. ADVISORS LP | 1.2M | $44.0M | 0.2% | 1.5% | +77.7% |
| 16 | MILLENNIUM MANAGEMENT LLC | 1.2M | $43.6M | 0.0% | 1.5% | -6.6% |
| 17 | DIMENSIONAL FUND ADVISORS LP | 1.1M | $40.0M | 0.0% | 1.4% | +1.4% |
| 18 | AMERICAN CENTURY COMPANIES INC | 1.0M | $38.8M | 0.0% | 1.3% | +21.7% |
| 19 | EVENTIDE ASSET MANAGEMENT, LLC | 1.0M | $38.6M | 0.5% | 1.3% | 0.0% |
| 20 | NOVO HOLDINGS A/S | 1.0M | $38.1M | 2.2% | 1.3% | -14.6% |
| 21 | Elmind Capital, LP | 990,000 | $36.8M | 9.3% | 1.3% | +14.5% |
| 22 | Driehaus Capital Management LLCNEW | 989,442 | $36.8M | 0.2% | 1.3% | new |
| 23 | Fisher Asset Management, LLC | 985,677 | $36.7M | 0.0% | 1.3% | -2.8% |
| 24 | Pictet Asset Management Holding SA | 917,408 | $34.1M | 0.0% | 1.2% | -0.7% |
| 25 | Foresite Capital Management VI LLC | 879,713 | $32.7M | 5.1% | 1.1% | +178.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.