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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, Q3 2025

Institutional positions in Celldex Therapeutics, Inc. as of Sep 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
184
+3 vs. Q2 2025
Shares held
70.7M
−1.58M (−2.2%) vs. Q2 2025
Total value
$1.83B
+$350.6M (+23.7%) vs. Q2 2025
New holders
29
60 more added
Sold out
26
57 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 184 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 heldQ3 2025: $1.83B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q2 2025.

Institutions holding CLDX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
New York State Common Retirement Fund22,237$575.3K0.00%00.0%Unchanged
Handelsbanken Fonder AB21,600$559.0K0.00%00.0%Unchanged
Profund Advisors LLC21,305$551.2K0.02%+5,880+38.1%Added
Panagora Asset Management Inc20,334$526.0K0.00%00.0%Unchanged
SG Americas Securities, LLC19,468$504.0K0.00%+19,468New
Universal- Beteiligungs- und Servicegesellschaft mbH19,297$499.2K0.00%+2,802+17.0%Added
Gsa Capital Partners LLP18,308$474.0K0.04%+18,308New
Police & Firemen's Retirement System of New Jersey18,143$469.4K0.00%+2,871+18.8%Added
Arizona State Retirement System17,649$456.6K0.00%+230+1.3%Added
Apella Capital, LLC17,024$452.0K0.01%+24+0.1%Added
Ensign Peak Advisors, Inc15,878$410.8K0.00%−8,200−34.1%Reduced
Teacher Retirement System of Texas14,698$380.2K0.00%−1,408−8.7%Reduced
State Board of Administration of Florida Retirement System14,537$376.1K0.00%00.0%Unchanged
Brevan Howard Capital Management LP14,362$371.5K0.01%+14,362New
Jump Financial, LLC14,143$365.9K0.00%−15,360−52.1%Reduced
DnB Asset Management AS13,251$342.8K0.00%+951+7.7%Added
KLP Kapitalforvaltning AS12,100$313.0K0.00%00.0%Unchanged
Voya Investment Management LLC11,987$310.1K0.00%−5,814−32.7%Reduced
Balyasny Asset Management LLC11,632$300.9K0.00%+11,632New
ProShare Advisors LLC11,200$289.7K0.00%−2,230−16.6%Reduced
Cetera Investment Advisers9,905$256.2K0.00%+9,905New
Transcend Wealth Collective, LLC9,237$239.0K0.02%+9,237New
Prudential Financial Inc8,809$227.9K0.00%+8,809New
Overbrook Management Corp8,797$227.6K0.04%+8,797New
Argent Trust Co8,481$219.4K0.01%+8,481New
HSBC Holdings PLC8,145$211.1K0.00%−9,434−53.7%Reduced
XTX Topco Ltd7,894$204.2K0.01%−10,397−56.8%Reduced
Public Employees Retirement Association of Colorado7,787$201.0K0.00%00.0%Unchanged
Russell Investments Group, Ltd.7,362$190.5K0.00%+5,047+218.0%Added
Great West Life Assurance Co6,338$166.0K0.00%00.0%Unchanged
Virtus Investment Advisers, Inc.5,592$144.7K0.04%+971+21.0%Added
Ameritas Investment Partners, Inc.5,472$141.6K0.00%−1,072−16.4%Reduced
Advisory Services Network, LLC5,390$139.4K0.00%+5,390New
Sterling Capital Management LLC4,535$117.3K0.00%+2,767+156.5%Added
Tower Research Capital LLC (TRC)4,441$114.9K0.00%−2,806−38.7%Reduced
Quest Partners LLC3,702$95.8K0.01%−9,254−71.4%Reduced
STRS Ohio2,900$75.0K0.00%+2,900New
Quantbot Technologies LP2,442$63.2K0.00%+2,442New
KBC Group NV2,411$62.0K0.00%00.0%Unchanged
Amalgamated Bank2,189$57.0K0.00%00.0%Unchanged
Bryn Mawr Trust Co1,633$42.2K0.00%+1,633New
Nisa Investment Advisors, LLC1,395$36.1K0.00%+1+0.1%Added
Federation des caisses Desjardins du Quebec1,340$34.7K0.00%−204−13.2%Reduced
Simplex Trading, LLC1,136$29.0K0.00%−27,135−96.0%Reduced
Aster Capital Management (DIFC) Ltd1,014$26.2K0.01%+1,014New
Advisor Group Holdings, Inc.748$18.9K0.00%+83+12.5%Added
US Bancorp722$18.7K0.00%−15−2.0%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.669$17.0K0.00%+54+8.8%Added
The PNC Financial Services Group, Inc.556$14.4K0.00%+292+110.6%Added
CIBC Private Wealth Group, LLC500$12.9K0.00%00.0%Unchanged
CWM, LLC417$11.0K0.00%+54+14.9%Added
Signaturefd, LLC415$10.7K0.00%+8+2.0%Added
National Bank of Canada367$9.49K0.00%+1+0.3%Added
Optiver Holding B.V.264$6.83K0.00%+264New
EverSource Wealth Advisors, LLC262$6.78K0.00%+91+53.2%Added
Versant Capital Management, Inc214$5.54K0.00%00.0%Unchanged
Farther Finance Advisors, LLC191$4.94K0.00%+10+5.5%Added
Quadrant Capital Group LLC160$4.14K0.00%+160New
GAMMA Investing LLC141$3.65K0.00%+71+101.4%Added
Strategic Advocates LLC130$3.36K0.00%+130New
Huntington National Bank109$2.82K0.00%00.0%Unchanged
Rothschild Investment LLC90$2.33K0.00%−20−18.2%Reduced
Halbert Hargrove Global Advisors, LLC78$2.02K0.00%+78New
Parallel Advisors, LLC74$1.91K0.00%00.0%Unchanged
Larson Financial Group LLC73$1.89K0.00%+73New
Allworth Financial LP70$1.81K0.00%00.0%Unchanged
Smartleaf Asset Management LLC52$1.36K0.00%+45+642.9%Added
Parkside Financial Bank & Trust51$1.32K0.00%+26+104.0%Added
SBI Securities Co., Ltd.49$1.27K0.00%+3+6.5%Added
J.Safra Asset Management Corp40$1.03K0.00%−195−83.0%Reduced
TSFG, LLC50$1.00K0.00%00.0%Unchanged
Comerica Bank31$7910.00%00.0%Unchanged
Private Wealth Management Group, LLC28$7250.00%00.0%Unchanged
Rockefeller Capital Management L.P.19$4920.00%+19New
True Wealth Design, LLC11$2850.00%00.0%Unchanged
Concord Wealth Partners8$2070.00%00.0%Unchanged
Scarborough Advisors, LLC6$1550.00%00.0%Unchanged
IFP Advisors, Inc5$1290.00%+5Added
Strategic Investment Solutions, Inc.5$1290.00%00.0%Unchanged
MTM Investment Management, LLC1$260.00%00.0%Unchanged
FNY Investment Advisers, LLC14$00.00%−2,393−99.4%Reduced
Capital Advisors, Ltd. LLC1$00.00%00.0%Unchanged
Avion Wealth24$00.00%00.0%Unchanged
Covestor Ltd10$00.00%+5+100.0%Added
Logos Global Management LP0$00.00%−600,000−100.0%Sold out
AXA S.A.0$00.00%−185,100−100.0%Sold out
Cinctive Capital Management LP0$00.00%−138,040−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−118,775−100.0%Sold out
Trexquant Investment LP0$00.00%−112,464−100.0%Sold out
Exome Asset Management LLC0$00.00%−73,000−100.0%Sold out
Sovran Advisors, LLC0$00.00%−39,476−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−40,600−100.0%Sold out
Perbak Capital Partners LLP0$00.00%−40,410−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−31,066−100.0%Sold out
Jane Street Group, LLC0$00.00%−28,860−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−23,965−100.0%Sold out
Twinbeech Capital LP0$00.00%−23,676−100.0%Sold out
Lombard Odier Asset Management (USA) Corp0$00.00%−20,567−100.0%Sold out
Centiva Capital, LP0$00.00%−20,303−100.0%Sold out
Bollard Group LLC0$00.00%−19,627−100.0%Sold out