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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.

13F holders, Q2 2025

Institutional positions in Celldex Therapeutics, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
182
+12 vs. Q1 2025
Shares held
72.3M
−1.31M (−1.8%) vs. Q1 2025
Total value
$1.48B
+$142.7M (+10.7%) vs. Q1 2025
New holders
39
75 more added
Sold out
27
42 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CLDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 182 institutions
Q1 2021: 115 institutionsQ2 2021: 132 institutionsQ3 2021: 161 institutionsQ4 2021: 181 institutionsQ1 2022: 169 institutionsQ2 2022: 158 institutionsQ3 2022: 160 institutionsQ4 2022: 168 institutionsQ1 2023: 161 institutionsQ2 2023: 150 institutionsQ3 2023: 144 institutionsQ4 2023: 164 institutionsQ1 2024: 197 institutionsQ2 2024: 183 institutionsQ3 2024: 176 institutionsQ4 2024: 174 institutionsQ1 2025: 171 institutionsQ2 2025: 182 institutionsQ3 2025: 184 institutionsQ4 2025: 187 institutionsQ1 2026: 229 institutionsQ2 2026: 253 institutions
Value heldQ2 2025: $1.48B
Q1 2021: $709.5MQ2 2021: $1.19BQ3 2021: $2.33BQ4 2021: $1.79BQ1 2022: $1.69BQ2 2022: $1.30BQ3 2022: $1.39BQ4 2022: $2.17BQ1 2023: $1.78BQ2 2023: $1.70BQ3 2023: $1.39BQ4 2023: $2.42BQ1 2024: $2.91BQ2 2024: $2.58BQ3 2024: $2.44BQ4 2024: $1.86BQ1 2025: $1.34BQ2 2025: $1.48BQ3 2025: $1.83BQ4 2025: $1.99BQ1 2026: $2.31BQ2 2026: $3.16B
Institutions holding CLDX and their total value by quarter
QuarterHoldersValue
Q2 2026253$3.16B
Q1 2026229$2.31B
Q4 2025187$1.99B
Q3 2025184$1.83B
Q2 2025182$1.48B
Q1 2025171$1.34B
Q4 2024174$1.86B
Q3 2024176$2.44B
Q2 2024183$2.58B
Q1 2024197$2.91B
Q4 2023164$2.42B
Q3 2023144$1.39B
Q2 2023150$1.70B
Q1 2023161$1.78B
Q4 2022168$2.17B
Q3 2022160$1.39B
Q2 2022158$1.30B
Q1 2022169$1.69B
Q4 2021181$1.79B
Q3 2021161$2.33B
Q2 2021132$1.19B
Q1 2021115$709.5M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding CLDX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd5$00.00%−4−44.4%Reduced
Capital Advisors, Ltd. LLC1$00.00%+1New
Avion Wealth24$00.00%+24New
MTM Investment Management, LLC1$200.00%+1New
Strategic Investment Solutions, Inc.5$1020.00%00.0%Unchanged
Scarborough Advisors, LLC6$1220.00%+6New
Smartleaf Asset Management LLC7$1420.00%+7New
Concord Wealth Partners8$1630.00%+8New
True Wealth Design, LLC11$2240.00%+11New
Parkside Financial Bank & Trust25$5100.00%−15−37.5%Reduced
Fortitude Family Office, LLC26$5290.00%+26New
Private Wealth Management Group, LLC28$5700.00%−98−77.8%Reduced
Comerica Bank31$6220.00%+16+106.7%Added
SBI Securities Co., Ltd.46$9360.00%00.0%Unchanged
TSFG, LLC50$1.00K0.00%00.0%Unchanged
GAMMA Investing LLC70$1.43K0.00%−94−57.3%Reduced
Allworth Financial LP70$1.43K0.00%+41+141.4%Added
Parallel Advisors, LLC74$1.51K0.00%−859−92.1%Reduced
Caitong International Asset Management Co., Ltd78$1.59K0.00%+46+143.8%Added
Huntington National Bank109$2.22K0.00%+109New
Rothschild Investment LLC110$2.24K0.00%+20+22.2%Added
Close Asset Management Ltd133$3.00K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC171$3.48K0.00%−1,267−88.1%Reduced
Farther Finance Advisors, LLC181$3.68K0.00%+125+223.2%Added
Versant Capital Management, Inc214$4.36K0.00%+126+143.2%Added
J.Safra Asset Management Corp235$4.78K0.00%−95−28.8%Reduced
The PNC Financial Services Group, Inc.264$5.37K0.00%+165+166.7%Added
Raymond James Financial Inc281$5.72K0.00%+281New
CWM, LLC363$7.00K0.00%+256+239.3%Added
National Bank of Canada366$7.45K0.00%−1−0.3%Reduced
IFP Advisors, Inc0$7.90K0.00%0New
Signaturefd, LLC407$8.28K0.00%−154−27.5%Reduced
CIBC Private Wealth Group, LLC500$10.2K0.00%00.0%Unchanged
Skopos Labs, Inc.538$10.9K0.00%+538New
Point72 Asia (Singapore) Pte. Ltd.566$11.5K0.00%−1,232−68.5%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.615$13.0K0.00%+615New
Advisor Group Holdings, Inc.665$13.4K0.00%+408+158.8%Added
US Bancorp737$15.0K0.00%+485+192.5%Added
First Horizon Advisors, Inc.1,195$24.3K0.00%+862+258.9%Added
Nisa Investment Advisors, LLC1,394$28.4K0.00%+881+171.7%Added
Federation des caisses Desjardins du Quebec1,544$31.4K0.00%00.0%Unchanged
Sterling Capital Management LLC1,768$36.0K0.00%+1,509+582.6%Added
Amalgamated Bank2,189$45.0K0.00%00.0%Unchanged
Russell Investments Group, Ltd.2,315$47.1K0.00%+501+27.6%Added
FNY Investment Advisers, LLC2,407$48.0K0.02%+2,407New
KBC Group NV2,411$49.0K0.00%−1,317−35.3%Reduced
Virtus Investment Advisers, Inc.4,621$94.0K0.03%−1,587−25.6%Reduced
Headlands Technologies LLC6,119$124.5K0.01%+6,119New
Great West Life Assurance Co6,338$129.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.6,544$133.2K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)7,247$147.5K0.00%+5,387+289.6%Added
Public Employees Retirement Association of Colorado7,787$158.0K0.00%00.0%Unchanged
Quadrature Capital Ltd11,656$237.5K0.00%+11,656New
KLP Kapitalforvaltning AS12,100$246.2K0.00%00.0%Unchanged
DnB Asset Management AS12,300$250.3K0.00%−334−2.6%Reduced
Quest Partners LLC12,956$263.7K0.03%+844+7.0%Added
ProShare Advisors LLC13,430$273.3K0.00%−556−4.0%Reduced
State Board of Administration of Florida Retirement System14,537$295.8K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey15,272$310.8K0.00%+1,349+9.7%Added
Profund Advisors LLC15,425$313.9K0.01%−7,220−31.9%Reduced
Sender Co & Partners, Inc.15,593$317.3K0.09%+15,593New
Teacher Retirement System of Texas16,106$327.8K0.00%+35+0.2%Added
Universal- Beteiligungs- und Servicegesellschaft mbH16,495$335.7K0.00%+1,661+11.2%Added
HSBC Holdings PLC17,579$346.8K0.00%+17,579New
Arizona State Retirement System17,419$354.5K0.00%+312+1.8%Added
Apella Capital, LLC17,000$356.7K0.01%00.0%Unchanged
Voya Investment Management LLC17,801$362.3K0.00%+198+1.1%Added
XTX Topco Ltd18,291$372.2K0.02%+18,291New
Zurcher Kantonalbank (Zurich Cantonalbank)19,060$387.9K0.00%+3,130+19.6%Added
Fox Run Management, L.L.C.19,146$389.6K0.06%−13,524−41.4%Reduced
Bollard Group LLC19,627$399.0K0.01%+19,627New
Centiva Capital, LP20,303$413.2K0.03%+20,303New
Panagora Asset Management Inc20,334$413.8K0.00%−119−0.6%Reduced
Lombard Odier Asset Management (USA) Corp20,567$418.5K0.10%+20,567New
Voloridge Investment Management, LLC20,973$426.8K0.00%+20,973New
Hennion & Walsh Asset Management, Inc.21,054$428.4K0.02%+21,054New
Handelsbanken Fonder AB21,600$440.0K0.00%+500+2.4%Added
New York State Common Retirement Fund22,237$452.5K0.00%00.0%Unchanged
Twinbeech Capital LP23,676$481.8K0.01%−14,668−38.3%Reduced
Aquatic Capital Management LLC23,965$487.7K0.01%+12,989+118.3%Added
Ensign Peak Advisors, Inc24,078$490.0K0.00%00.0%Unchanged
ArrowMark Colorado Holdings LLC25,000$508.8K0.01%00.0%Unchanged
DekaBank Deutsche Girozentrale25,000$514.0K0.00%00.0%Unchanged
Janus Henderson Group PLC25,642$522.3K0.00%00.0%Unchanged
Guggenheim Capital LLC25,995$529.0K0.00%+1,212+4.9%Added
Victory Capital Management Inc27,650$562.7K0.00%+27,650New
Simplex Trading, LLC28,271$575.0K0.02%+26,233+1,287.2%Added
Jane Street Group, LLC28,860$587.3K0.00%−185,566−86.5%Reduced
Jump Financial, LLC29,503$600.4K0.01%+10,255+53.3%Added
Creative Planning29,902$608.5K0.00%+6,233+26.3%Added
Prelude Capital Management, LLC31,066$632.2K0.06%+31,066New
Verition Fund Management LLC33,871$689.3K0.00%+15,475+84.1%Added
Alps Advisors Inc35,812$728.8K0.00%−14,126−28.3%Reduced
Teachers Retirement System of the State of Kentucky36,699$747.0K0.01%−2,602−6.6%Reduced
MetLife Investment Management39,004$793.7K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.39,388$801.3K0.00%−4,063−9.4%Reduced
Perbak Capital Partners LLP40,410$822.3K0.19%+40,410New
Two Sigma Advisers, LP40,600$826.2K0.00%+40,600New
Sovran Advisors, LLC39,476$842.0K0.09%+39,476New
Intech Investment Management LLC41,900$852.7K0.01%+7,679+22.4%Added