Celldex Therapeutics, Inc. - Common Stock, par value $0.001 (CLDX)

CUSIP: 15117B202

Q2 2025 13F Holders as of 30 Jun 2025

Security identity
Security type / class
Equity / Common Stock, par value $0.001
Shares outstanding
80,000,000
Holder snapshot
Total 13F shares
72,686,329
Share change
-1,047,957
Total reported value
$1,479,214,886
Put/Call ratio
243%
Reported price per share
$20.35
Number of holders
178
Value change
-$18,971,957
Number of buys
111
Number of sells
69

Security key

15117B202

Report period

Q2 2025

Institutions

178

Top holders

10

CLDX full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Previous quarter: Q1 2025 Celldex Therapeutics, Inc. SEC filings Celldex Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top shareholders of CLDX - Celldex Therapeutics, Inc. - Common Stock, par value $0.001 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
50
Latest as of
31 Mar 2025
13D/G 13F Lead comparable stake: 7.3% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13D/G 13F
Company
13D/G 13F
7.3%
$100,867,802
4,819,293 shares
 -$13,842,621 31 Mar 2025
EVENTIDE ASSET MANAGEMENT, LLC
13F 13D/G
Company
13F 13D/G
2%
from 13D/G
$68,181,159
3,754,793 shares
 — 31 Mar 2025
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
10%
$151,627,841
8,354,151 shares
 — 31 Mar 2025
Kynam Capital Management, LP
13F
Company
13F
8.1%
$117,975,000
6,500,000 shares
 — 31 Mar 2025
FMR LLC
13F
Company
13F
6.7%
$97,648,661
5,380,091 shares
 — 31 Mar 2025
VANGUARD GROUP INC
13F
Company
13F
4.9%
$70,756,595
3,898,435 shares
 — 31 Mar 2025
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
13F
4.3%
$61,901,000
3,410,499 shares
 — 31 Mar 2025
Commodore Capital LP
13F
Company
13F
4%
$58,080,000
3,200,000 shares
 — 31 Mar 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
178
Shares
72,686,329
Rows loaded
178
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
170
Q2 2025 holders
178
Holder diff
8
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 value Q2 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .