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.

Q3 2024 vs. Q2 2024

How the institutions holding Celldex Therapeutics, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024 All holders in Q2 2024

13F holders of CLDX: Q2 2024 compared with Q3 2024
Measure	Q2 2024	Of which not filed for Q3 2024	Q3 2024	Change
Holders	183	1	176	−6
Shares	69.6M	4.69M	71.8M	+6.90M (+10.6%)
Value	$2.58B	$173.6M	$2.44B	+$38.3M (+1.6%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Celldex Therapeutics, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to CLDX in Q3 2024
Institution	Shares	Value	% of portfolio
BlackRock, Inc.	4,880,020	$165.9M	0.00%
T. Rowe Price Investment Management, Inc.	1,734,522	$59.0M	0.04%
Logos Global Management LP	900,000	$30.6M	3.43%
Readystate Asset Management LP	179,518	$6.10M	0.32%
Caption Management, LLC	110,000	$3.74M	0.40%
Balyasny Asset Management LLC	86,573	$2.94M	0.01%
Canada Pension Plan Investment Board	64,000	$2.18M	0.00%
XTX Topco Ltd	45,917	$1.56M	0.11%
Man Group plc	35,967	$1.22M	0.00%
Intech Investment Management LLC	25,632	$871.2K	0.01%
Jefferies Financial Group Inc.	21,000	$713.8K	0.01%
Creative Planning	14,819	$503.7K	0.00%
Cowen and Company, LLC	10,700	$363.7K	0.01%
Fox Run Management, L.L.C.	9,324	$316.9K	0.07%
Panoramic Investment Advisors, LLC	6,500	$220.9K	0.15%
Keybank National Association	6,356	$216.0K	0.00%
Acadian Asset Management LLC	4,591	$156.0K	0.00%
Sterling Capital Management LLC	98	$3.33K	0.00%
Quantbot Technologies LP	95	$3.23K	0.00%
Versant Capital Management, Inc	92	$3.13K	0.00%
Creative Financial Designs Inc	83	$2.82K	0.00%
Bessemer Group Inc	60	$2.00K	0.00%
Householder Group Estate & Retirement Specialist, LLC	11	$0	0.00%

Sold out (29)

Institutions that held Celldex Therapeutics, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of CLDX in Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
Sofinnova Investments, Inc.	547,707	$20.3M
Candriam Luxembourg S.C.A.	317,509	$11.8M
Laurion Capital Management LP	290,850	$10.8M
Natixis	165,500	$6.13M
StemPoint Capital LP	144,467	$5.35M
Qube Research & Technologies Ltd	125,506	$4.64M
Schonfeld Strategic Advisors LLC	119,629	$4.43M
Atom Investors LP	52,164	$1.93M
Walleye Capital LLC	50,183	$1.86M
Renaissance Technologies LLC	42,788	$1.58M
ExodusPoint Capital Management, LP	38,150	$1.41M
Trexquant Investment LP	12,092	$447.5K
Principal Financial Group Inc	10,572	$391.3K
Headlands Technologies LLC	9,182	$339.8K
Group One Trading, L.P.	8,757	$324.1K
Simplex Trading, LLC	8,600	$318.0K
Prospera Financial Services Inc	7,754	$287.0K
E Fund Management Co., Ltd.	7,258	$268.6K
STRS Ohio	6,600	$244.3K
EntryPoint Capital, LLC	6,375	$235.9K
Corton Capital Inc.	6,179	$228.7K
Allianz SE	1,400	$51.8K
Catalyst Funds Management Pty Ltd	900	$33.3K
Pacer Advisors, Inc.	680	$25.2K
Kelly Financial Services LLC	46	$1.70K
Redwood Wealth Management Group, LLC	33	$1.22K
Hartford Financial Management Inc.	18	$667
Innealta Capital, LLC	17	$629
Scarborough Advisors, LLC	6	$222

Not filed for Q3 2024 yet (1)

Institutions that held Celldex Therapeutics, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CLDX in Q2 2024 that haven't filed for Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
BlackRock Inc.	4,690,761	$173.6M