Celldex Therapeutics, Inc. (CLDX)
Nasdaq: CLDX · In Vitro & In Vivo Diagnostic Substances · Hampton, NJ · filing with the SEC since 1995
Who owns Celldex Therapeutics, Inc.
As filed with the SECHolders of 5% or more
6
Wellington Management Group LLP holds 12.2% of Common Stock, as its SCHEDULE 13G/A filed Feb 10, 2026 says.
Directors and officers
19
report now, of 27 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 6 named at left.
Holders of 5% or moreshare of the class, as filed
Wellington Management Group LLP
SCHEDULE 13G/A · filed Feb 10, 2026 · Common Stock · 11.1% in Nov 7, 2025
Fmr LLC
SCHEDULE 13G/A · filed Oct 7, 2026 · COMMON STOCK · 5.6% in May 6, 2026
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 17, 2025 · Common Stock · 8.3% in Feb 5, 2025
Kynam Capital Management, LP
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, par value $0.001 · 8.77% in May 15, 2026
T. Rowe Price Associates, Inc.
SCHEDULE 13G · filed Aug 14, 2026 · COMMON STOCK · 3.6% in Nov 14, 2025
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Commodore Capital LP
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock, par value $.001 · reported falling below 5%, from 5% in Apr 10, 2025
State Street Corporation
SCHEDULE 13G · filed May 12, 2026 · COMMON STOCK · reported falling below 5%, from 5.1% in Feb 9, 2026
Point72 Asset Management, L.P.
SCHEDULE 13G/A · filed Mar 10, 2026 · Common Stock, par value $0.001 per share · reported falling below 5%, from 6.7% in Jul 10, 2025
Eventide Asset Management, LLC
SCHEDULE 13G/A · filed Aug 14, 2025 · Common Stock, par value $0.001 · reported falling below 5%
Bellevue Group AG
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock · reported falling below 5%, from 5.4% in Nov 14, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
What CLDX reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
New Jersey Economic Development Authority
An entity · legal entity · owns, named in the 10-K filed Feb 25, 2026
1 subsidiary in 1 country, from the list filed with the 10-K filed Feb 25, 2026.
Insider tradesForm 4
2sales
0purchases
0sales on a scheduled plan
2people selling
$1.3Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 27 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Wright Richard M. | SR. VP & CCO | 1 | $1.2M | 0 | 0 | $0 |
| Jimenez Freddy A. | SVP & GENERAL COUNSEL | 1 | $100,000 | 0 | 0 | $0 |