Celldex Therapeutics, Inc.

CLDX

Exchange: Nasdaq
Industry: In Vitro & In Vivo Diagnostic Substances
SEC CIK: 0000744218

SEC filings (opens in a new tab)

No open-market purchases or sales by Celldex Therapeutics, Inc. insiders were filed in the last 90 days; 253 institutions reported holding it in 13F filings for Q2 2026, worth $3.16B in total; no superinvestor holds it.

Q1 2023 vs. Q4 2022

How the institutions holding Celldex Therapeutics, Inc. changed between Q4 2022 and Q1 2023.

All holders in Q1 2023 All holders in Q4 2022

13F holders of CLDX: Q4 2022 compared with Q1 2023
Measure	Q4 2022	Of which not filed for Q1 2023	Q1 2023	Change
Holders	168	3	161	−4
Shares	48.7M	52.0K	49.5M	+895.8K (+1.8%)
Value	$2.17B	$2.32M	$1.78B	−$387.0M (−17.9%)

3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held Celldex Therapeutics, Inc. at the end of Q1 2023 but not at the end of Q4 2022.

Institutions new to CLDX in Q1 2023
Institution	Shares	Value	% of portfolio
Pictet Asset Management SA	779,628	$28.1M	0.04%
Sofinnova Investments, Inc.	419,397	$15.1M	1.02%
Healthcare of Ontario Pension Plan Trust Fund	125,300	$4.51M	0.03%
State of New Jersey Common Pension Fund D	55,605	$2.00M	0.01%
Woodline Partners LP	55,471	$2.00M	0.03%
First Trust Advisors LP	53,072	$1.91M	0.00%
Twinbeech Capital LP	44,068	$1.59M	0.03%
Profund Advisors LLC	27,372	$984.8K	0.06%
Tudor Investment Corp Et Al	27,275	$981.0K	0.02%
Two Sigma Investments, LP	25,084	$902.5K	0.00%
Gsa Capital Partners LLP	24,942	$897.0K	0.09%
Aquatic Capital Management LLC	14,900	$536.0K	0.03%
Parallax Volatility Advisers, L.P.	8,265	$297.4K	0.01%
Engineers Gate Manager LP	8,227	$296.0K	0.01%
Voloridge Investment Management, LLC	6,916	$248.8K	0.00%
CM Wealth Advisors LLC	7,590	$245.0K	0.05%
Atom Investors LP	5,698	$205.0K	0.11%
Farther Finance Advisors, LLC	3,228	$116.1K	0.03%
TCI Wealth Advisors, Inc.	171	$6.15K	0.00%
Spire Wealth Management	50	$1.80K	0.00%
Bogart Wealth, LLC	15	$540	0.00%
Strategic Investment Solutions, Inc.	5	$180	0.00%

Sold out (26)

Institutions that held Celldex Therapeutics, Inc. at the end of Q4 2022 and filed for Q1 2023 without it.

Institutions that sold out of CLDX in Q1 2023
Institution	Shares, Q4 2022	Value, Q4 2022
Sessa Capital IM, L.P.	212,000	$9.45M
Tri Locum Partners LP	176,109	$7.85M
HRT Financial LP	69,796	$3.11M
Moore Capital Management, LP	50,000	$2.23M
Millennium Management LLC	34,351	$1.53M
Jump Financial, LLC	21,253	$947.2K
Tang Capital Management LLC	21,192	$944.5K
Gyon Technologies Capital Management, LP	16,834	$750.3K
Schonfeld Strategic Advisors LLC	14,266	$635.8K
Simplex Trading, LLC	12,102	$539.0K
FORA Capital, LLC	7,115	$317.1K
Squarepoint Ops LLC	6,458	$287.8K
ProShare Advisors LLC	5,896	$262.8K
Gotham Asset Management, LLC	5,448	$242.8K
HC Advisors, LLC	5,345	$238.2K
Victory Capital Management Inc	5,096	$227.1K
Caption Management, LLC	5,000	$222.8K
Walleye Trading LLC	2,153	$96.0K
High Net Worth Advisory Group LLC	1,000	$44.6K
Truvestments Capital LLC	73	$3.25K
IFP Advisors, Inc	19	$2.00K
Corrado Advisors, LLC	33	$1.47K
Rockefeller Capital Management L.P.	37	$1.00K
Signaturefd, LLC	16	$713
TD Waterhouse Canada Inc.	5	$217
Bourgeon Capital Management LLC	3	$134

Not filed for Q1 2023 yet (3)

Institutions that held Celldex Therapeutics, Inc. at the end of Q4 2022 and haven't filed a 13F for Q1 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CLDX in Q4 2022 that haven't filed for Q1 2023
Institution	Shares, Q4 2022	Value, Q4 2022
Monarch Partners Asset Management LLC	45,479	$2.03M
Panoramic Investment Advisors, LLC	6,500	$289.7K
CoreCap Advisors, LLC	16	$713