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Celldex Therapeutics, Inc.

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

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 2025 vs. Q4 2024

How the institutions holding Celldex Therapeutics, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of CLDX: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders1741171−2
Shares73.7M288.4K73.6M+230.0K (+0.3%)
Value$1.86B$7.29M$1.34B−$518.0M (−27.9%)

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (29)

Institutions that held Celldex Therapeutics, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to CLDX in Q1 2025
InstitutionSharesValue% of portfolio
Commodore Capital LP3,200,000$58.1M4.28%
Nuveen, LLC429,126$7.79M0.00%
Walleye Capital LLC93,327$1.69M0.02%
SummitTX Capital, L.P.86,070$1.56M0.07%
Trexquant Investment LP78,210$1.42M0.02%
Gsa Capital Partners LLP62,326$1.13M0.10%
HRT Financial LP21,418$388.0K0.00%
PDT Partners, LLC20,899$379.3K0.03%
Bank of Montreal19,607$355.9K0.00%
Verition Fund Management LLC18,396$333.9K0.00%
Campbell & CO Investment Adviser LLC15,530$281.9K0.02%
Apella Capital, LLC17,000$279.0K0.01%
Universal- Beteiligungs- und Servicegesellschaft mbH14,834$269.2K0.00%
ADAR1 Capital Management, LLC14,600$265.0K0.05%
CIBC World Markets Corp14,333$260.1K0.00%
Point72 (DIFC) Ltd8,446$153.3K0.01%
Virtus Investment Advisers, Inc.6,208$112.7K0.03%
Simplex Trading, LLC2,038$36.0K0.00%
Point72 Asia (Singapore) Pte. Ltd.1,798$32.6K0.01%
Private Wealth Management Group, LLC126$2.29K0.00%
Sierra Ocean, LLC92$1.67K0.00%
Versant Capital Management, Inc88$1.60K0.00%
Parkside Financial Bank & Trust40$7260.00%
Caitong International Asset Management Co., Ltd32$5810.00%
Ronald Blue Trust, Inc.23$4170.00%
Hughes Financial Services, LLC24$4040.00%
Stephens Consulting, LLC20$3630.00%
Comerica Bank15$2620.00%
Coldstream Capital Management Inc12$2180.00%

Sold out (31)

Institutions that held Celldex Therapeutics, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of CLDX in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
T. Rowe Price Investment Management, Inc.1,697,498$42.9M
Crestline Management, LP295,354$7.46M
Cubist Systematic Strategies, LLC154,512$3.90M
Readystate Asset Management LP142,038$3.59M
Sovran Advisors, LLC113,457$2.60M
Squarepoint Ops LLC71,176$1.80M
Hudson Bay Capital Management LP45,000$1.14M
Canada Pension Plan Investment Board37,000$935.0K
Tema ETFs LLC29,480$745.0K
AQR Capital Management LLC21,724$549.0K
NEOS Investment Management LLC20,261$512.0K
First Trust Advisors LP18,372$464.3K
ExodusPoint Capital Management, LP17,244$436.0K
Los Angeles Capital Management LLC15,421$389.7K
Brevan Howard Capital Management LP11,414$288.4K
XTX Topco Ltd11,256$284.4K
Affinity Asset Advisors, LLC9,992$252.5K
Ameriprise Financial Inc9,944$251.3K
Phoenix Holdings Ltd.9,615$243.0K
HSBC Holdings PLC9,292$232.6K
Victory Capital Management Inc8,003$202.2K
Aristides Capital LLC8,000$202.2K
Caption Management, LLC7,462$188.6K
Headlands Technologies LLC3,212$81.2K
Virtus ETF Advisers LLC2,688$67.9K
R Squared Ltd880$22.2K
Bayforest Capital Ltd865$21.9K
Smartleaf Asset Management LLC303$7.61K
Skopos Labs, Inc.98$2.48K
Rise Advisors, LLC83$2.10K
Spire Wealth Management50$1.26K

Not filed for Q1 2025 yet (1)

Institutions that held Celldex Therapeutics, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CLDX in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC288,378$7.29M