Wellington Management Group Llp

13F Holdings History for Celldex Therapeutics, Inc. - Common Stock, par value $.001 (CLDX)

Symbol: CLDX on Nasdaq
Investment type: Equity / Common Stock, par value $.001
Latest Disclosed Ownership: 7.39M shares
Security Ownership: 11.1%

Shares, Excluding Options vs Price

Value, Excluding Options

Wellington Management Group LLP ownership in Celldex Therapeutics, Inc. Common Stock, par value $.001 (CLDX)

2025-11-07 - Wellington Management Group LLP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 7.39M shares of Celldex Therapeutics, Inc. Common Stock, par value $.001 (CLDX). This represents 11.1% percent ownership of the company. In their previous filing dated 2025-08-12, WELLINGTON MANAGEMENT GROUP LLP had reported owning 5.23M shares, indicating an increase of 41.3% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Wellington Management Group LLP	11.1%	+40%	$191M	7.39M	+2,162,420	+41.3%	$25.87	13G/A	10/31/2025	7 Nov 2025 08:18:23
Wellington Management Group LLP	7.9%	-36.2%	$98.9M	5.23M	-3,121,825	-37.4%	$18.91	13G/A	6/30/2025	12 Aug 2025 10:34:26
Wellington Management Group LLP	12.6%		$133M	8.35M			$15.94	13G/A	3/31/2025	12 May 2025 10:44:45

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	0.03%	+0%	$150M	5.8M	+567,677	+10.8%	$25.87	Q3 2025
6/30/2025	0.02%	-0.01%	$106M	5.23M	-3,121,825	-37.4%	$20.35	Q2 2025
3/31/2025	0.03%	0%	$152M	8.35M	-621,682		$18.15	Q1 2025
12/31/2024	0.04%	0%	$227M	8.98M	-267,766	-2.9%	$25.27	Q4 2024
9/30/2024	0.06%	+0.01%	$314M	9.24M	+1,167,659	+14.5%	$33.99	Q3 2024
6/30/2024	0.05%	+0%	$299M	8.08M	+428,483	+5.6%	$37.01	Q2 2024
3/31/2024	0.06%	+0.01%	$321M	7.65M	+1,170,896	+18.1%	$41.97	Q1 2024
12/31/2023	0.05%	+0.01%	$257M	6.48M	+1,044,728	+19.2%	$39.66	Q4 2023
9/30/2023	0.03%	+0%	$149M	5.43M	+300,406	+5.85%	$27.52	Q3 2023
6/30/2023	0.03%	+0.01%	$174M	5.13M	+949,816	+22.7%	$33.93	Q2 2023
3/31/2023	0.03%	0%	$150M	4.18M	-466,301	-10%	$35.98	Q1 2023
12/31/2022	0.04%	+0.01%	$207M	4.65M	+1,567,179	+50.9%	$44.57	Q4 2022
9/30/2022	0.02%	+0%	$86.6M	3.08M	+240,350	+8.46%	$28.11	Q3 2022
6/30/2022	0.02%	0%	$76.6M	2.84M	-689,457	-19.5%	$26.96	Q2 2022
3/31/2022	0.02%	+0.01%	$120M	3.53M	+1,343,864	+61.5%	$34.06	Q1 2022
12/31/2021	0.01%	+0%	$84.5M	2.19M	+5,624	+0.26%	$38.64	Q4 2021
9/30/2021	0.02%	+0%	$118M	2.18M	+217,353	+11.1%	$53.99	Q3 2021
6/30/2021	0.01%	+0%	$65.6M	1.96M	+74,263	+3.93%	$33.44	Q2 2021
3/31/2021	0.01%	+0.01%	$38.9M	1.89M	+1,794,536	+1905%	$20.60	Q1 2021
12/31/2020	0%	+0%	$1.65M	94.2K	+94,200	NEW	$17.52	Q4 2020

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.