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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 2024 vs. Q4 2023

How the institutions holding Celldex Therapeutics, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024All holders in Q4 2023

13F holders of CLDX: Q4 2023 compared with Q1 2024
MeasureQ4 2023Of which not filed for Q1 2024Q1 2024Change
Holders1641197+34
Shares61.0M569.3M+8.32M (+13.6%)
Value$2.42B$198$2.91B+$489.9M (+20.3%)

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (47)

Institutions that held Celldex Therapeutics, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to CLDX in Q1 2024
InstitutionSharesValue% of portfolio
EcoR1 Capital, LLC650,000$27.3M0.69%
Logos Global Management LP650,000$27.3M2.87%
Renaissance Technologies LLC312,470$13.1M0.02%
Artal Group S.A.253,000$10.6M0.27%
Natixis213,900$8.98M0.05%
Emerald Advisers, LLC212,035$8.90M0.36%
LMR Partners LLP200,000$8.39M0.21%
Two Sigma Investments, LP151,391$6.35M0.02%
Emerald Mutual Fund Advisers Trust126,963$5.33M0.28%
Assenagon Asset Management S.A.90,931$3.82M0.01%
EAM Investors, LLC70,115$2.94M0.46%
Cinctive Capital Management LP68,481$2.87M0.15%
Cubist Systematic Strategies, LLC67,434$2.83M0.03%
State of New Jersey Common Pension Fund D57,809$2.43M0.01%
Readystate Asset Management LP49,457$2.08M0.07%
AlphaCentric Advisors LLC38,500$1.62M0.97%
ArrowMark Colorado Holdings LLC25,000$1.05M0.01%
Simplex Trading, LLC24,101$1.01M0.03%
Virtu Financial LLC19,644$824.0K0.06%
Campbell & CO Investment Adviser LLC19,166$804.4K0.07%
Two Sigma Advisers, LP14,400$604.4K0.00%
Prudential Financial Inc14,086$591.2K0.00%
Concentric Capital Strategies, LP11,710$491.5K0.03%
Point72 (DIFC) Ltd11,230$471.3K0.04%
Bayesian Capital Management, LP11,200$470.1K0.04%
Magnetar Financial LLC10,777$452.3K0.01%
Oxford Asset Management LLP8,453$354.8K0.38%
Public Employees Retirement Association of Colorado7,787$327.0K0.00%
Gsa Capital Partners LLP7,041$296.0K0.02%
Los Angeles Capital Management LLC6,733$282.6K0.00%
AQR Capital Management LLC6,353$266.6K0.00%
Prospera Financial Services Inc5,822$244.3K0.01%
XTX Topco Ltd5,534$232.3K0.03%
DnB Asset Management AS5,349$224.1K0.00%
Headlands Technologies LLC3,513$147.4K0.04%
Point72 Hong Kong Ltd2,559$107.4K0.01%
KBC Group NV1,586$67.0K0.00%
Allianz SE1,400$58.8K0.00%
Pacer Advisors, Inc.890$37.4K0.00%
Quest Partners LLC504$21.2K0.00%
CIBC Private Wealth Group, LLC500$20.8K0.00%
Russell Investments Group, Ltd.29$1.22K0.00%
Westend Capital Management, LLC24$1.01K0.00%
GAMMA Investing LLC24$1.01K0.00%
Riggs Asset Managment Co. Inc.19$7980.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC10$4190.00%
Rothschild Investment LLC5$2100.00%

Sold out (13)

Institutions that held Celldex Therapeutics, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.

Institutions that sold out of CLDX in Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
RTW Investments, LP3,463,201$137.4M
Octagon Capital Advisors LP707,526$28.1M
Schonfeld Strategic Advisors LLC130,542$5.18M
OrbiMed Advisors LLC58,800$2.33M
Caption Management, LLC39,700$1.57M
Walleye Trading LLC14,079$558.4K
HRT Financial LP13,243$525.0K
Aigen Investment Management, LP6,327$250.9K
Wolverine Trading, LLC5,058$200.6K
BIT Capital GmbH4,313$171.1K
Cutler Group LP1,460$57.0K
Steward Partners Investment Advisory, LLC400$15.9K
Livelsberger Financial Advisory33$1.31K

Not filed for Q1 2024 yet (1)

Institutions that held Celldex Therapeutics, Inc. at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CLDX in Q4 2023 that haven't filed for Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
Strategic Investment Solutions, Inc.5$198