Skip to main content

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 2026

Institutional positions in Celldex Therapeutics, Inc. as of Jun 30, 2026. 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
253
+26 vs. Q1 2026
Shares held
85.0M
+12.5M (+17.2%) vs. Q1 2026
Total value
$3.16B
+$850.9M (+36.8%) vs. Q1 2026
New holders
47
106 more added
Sold out
21
57 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 253 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: 143 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 2026: $3.16B
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 2023143$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 2026

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q1 2026.

Institutions holding CLDX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Capital Advisors, Ltd. LLC1$00.00%00.0%Unchanged
Avion Wealth24$00.00%00.0%Unchanged
CWM Advisors, LLC1$370.00%00.0%Unchanged
MTM Investment Management, LLC1$370.00%00.0%Unchanged
Hughes Financial Services, LLC1$370.00%00.0%Unchanged
GHP Investment Advisors, Inc.3$1120.00%−22−88.0%Reduced
Clearstead Advisors, LLC7$2610.00%+7New
Concord Wealth Partners8$2980.00%+8New
Fortitude Family Office, LLC16$5950.00%00.0%Unchanged
Massmutual Trust Co FSB18$6700.00%00.0%Unchanged
SBI Securities Co., Ltd.18$6700.00%00.0%Unchanged
Action Point Financial Planning, LLC19$7070.00%+19New
Assetmark, Inc21$7810.00%00.0%Unchanged
Basecamp Wealth Advisors LLC24$8930.00%00.0%Unchanged
Wealth Enhancement Trust Services, Inc.24$8930.00%+24New
Covestor Ltd18$1.00K0.00%+12+200.0%Added
Private Wealth Management Group, LLC28$1.04K0.00%00.0%Unchanged
Fifth Third Bancorp31$1.14K0.00%00.0%Unchanged
Global Retirement Partners, LLC40$1.49K0.00%+40New
True Wealth Design, LLC40$1.49K0.00%+25+166.7%Added
Parkside Financial Bank & Trust51$1.90K0.00%00.0%Unchanged
SJS Investment Consulting Inc.51$1.90K0.00%+51New
TSFG, LLC50$2.00K0.00%00.0%Unchanged
Jones Financial Companies LLLP70$2.47K0.00%00.0%Unchanged
JPL Wealth Management, LLC75$2.79K0.00%00.0%Unchanged
Quarry LP85$3.16K0.00%+85New
Essential Partners LLC99$3.68K0.00%+96+3,200.0%Added
Larson Financial Group LLC100$3.72K0.00%−13−11.5%Reduced
Huntington National Bank109$4.06K0.00%00.0%Unchanged
Parallel Advisors, LLC132$4.91K0.00%−32−19.5%Reduced
J.Safra Asset Management Corp151$5.62K0.00%00.0%Unchanged
Rothschild Investment LLC171$6.36K0.00%+52+43.7%Added
Farther Finance Advisors, LLC216$8.04K0.00%−108−33.3%Reduced
IFP Advisors, Inc259$9.64K0.00%+254+5,080.0%Added
Los Angeles Capital Management LLC262$9.75K0.00%00.0%Unchanged
SMA Capital LLC278$10.3K0.00%+278New
GAMMA Investing LLC356$13.2K0.00%+80+29.0%Added
National Bank of Canada365$13.6K0.00%−1−0.3%Reduced
EverSource Wealth Advisors, LLC377$14.0K0.00%−105−21.8%Reduced
Allworth Financial LP408$15.2K0.00%+322+374.4%Added
Signaturefd, LLC423$15.7K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.456$17.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.469$17.5K0.00%−16−3.3%Reduced
Smartleaf Asset Management LLC511$19.1K0.00%00.0%Unchanged
Optiver Holding B.V.518$19.3K0.00%+382+280.9%Added
Sterling Capital Management LLC522$19.4K0.00%−1,648−75.9%Reduced
SRS Capital Advisors, Inc.550$20.5K0.00%+461+518.0%Added
Clear Street Markets LLC634$23.6K0.00%+634New
State of Wyoming658$24.5K0.00%+658New
Versant Capital Management, Inc689$25.6K0.00%00.0%Unchanged
Kemnay Advisory Services Inc.711$26.5K0.00%+160+29.0%Added
US Bancorp754$28.1K0.00%−18−2.3%Reduced
Advisor Group Holdings, Inc.862$32.1K0.00%−90−9.5%Reduced
Pacer Advisors, Inc.938$35.0K0.00%+938New
Rockefeller Capital Management L.P.1,296$48.2K0.00%+145+12.6%Added
Federation des caisses Desjardins du Quebec1,330$49.5K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd1,455$54.1K0.01%−1,170−44.6%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main1,481$55.1K0.00%+1,481New
Bryn Mawr Trust Co1,633$60.8K0.00%00.0%Unchanged
Nykredit A/S1,793$66.7K0.00%+1,793New
Pinnacle Wealth Planning Services, Inc.2,242$83.4K0.01%00.0%Unchanged
Nisa Investment Advisors, LLC2,245$83.5K0.00%+1,305+138.8%Added
KBC Group NV2,411$90.0K0.00%00.0%Unchanged
Royal Bank of Canada2,747$102.0K0.00%+2,245+447.2%Added
Acadian Asset Management LLC2,781$102.0K0.00%+2,781New
Quantbot Technologies LP2,935$109.2K0.00%+463+18.7%Added
Meeder Asset Management Inc5,009$186.4K0.01%+5,009New
Tower Research Capital LLC (TRC)5,191$193.2K0.00%−393−7.0%Reduced
LPL Financial LLC5,550$206.5K0.00%+5,550New
Ameriprise Financial Inc5,579$207.6K0.00%+5,579New
Mitsubishi UFJ Trust & Banking Corp5,773$214.8K0.00%+5,773New
Abel Hall, LLC5,838$217.2K0.04%+5,838New
T3 Companies, LLC6,000$223.3K0.26%+6,000New
JustInvest LLC6,084$226.4K0.00%+6,084New
Transcend Wealth Collective, LLC6,196$230.6K0.02%−415−6.3%Reduced
Argent Trust Co6,204$230.9K0.01%+6,204New
Mercer Global Advisors Inc6,307$234.7K0.00%+6,307New
Blackstone Group Inc.6,438$239.6K0.00%+6,438New
Panoramic Investment Advisors, LLC6,500$241.9K0.12%00.0%Unchanged
Ensign Peak Advisors, Inc6,578$244.8K0.00%+300+4.8%Added
Ameritas Investment Partners, Inc.7,094$264.0K0.01%+1,622+29.6%Added
Cetera Investment Advisers7,288$271.2K0.00%+92+1.3%Added
Xponance, Inc.7,736$287.9K0.00%+7,736New
Public Employees Retirement Association of Colorado7,787$290.0K0.00%00.0%Unchanged
Teacher Retirement System of Texas7,812$290.7K0.00%+56+0.7%Added
Allstate Corp7,848$292.0K0.00%+7,848New
SG Americas Securities, LLC7,889$294.0K0.00%−30,119−79.2%Reduced
E Fund Management Co., Ltd.7,918$294.6K0.01%−260−3.2%Reduced
Magnetar Financial LLC7,954$296.0K0.00%+7,954New
Brevan Howard Capital Management LP8,131$302.6K0.00%−1,124−12.1%Reduced
Nomura Holdings Inc8,201$305.2K0.00%+8,201New
Mariner, LLC9,004$335.0K0.00%+9,004New
Amundi9,351$348.0K0.00%00.0%Unchanged
Fred Alger Management, LLC9,448$351.6K0.00%−9,006−48.8%Reduced
ProShare Advisors LLC10,237$380.9K0.00%+744+7.8%Added
Bank of Montreal10,395$386.8K0.00%−2,600−20.0%Reduced
Virtus Investment Advisers, Inc.10,464$389.4K0.09%+553+5.6%Added
Glenmede Trust Co NA11,267$419.2K0.00%00.0%Unchanged
DnB Asset Management AS11,350$422.3K0.00%−6,737−37.2%Reduced
Overbrook Management Corp11,537$429.3K0.06%00.0%Unchanged