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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, Q4 2025

Institutional positions in Celldex Therapeutics, Inc. as of Dec 31, 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
187
+5 vs. Q3 2025
Shares held
73.0M
+2.45M (+3.5%) vs. Q3 2025
Total value
$1.99B
+$167.8M (+9.2%) vs. Q3 2025
New holders
25
58 more added
Sold out
20
60 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 187 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 heldQ4 2025: $1.99B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q3 2025.

Institutions holding CLDX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Quantinno Capital Management LP23,586$640.6K0.00%+23,586New
New York State Common Retirement Fund22,237$604.0K0.00%00.0%Unchanged
Panagora Asset Management Inc21,856$593.6K0.00%+1,522+7.5%Added
PSP Research LLC20,368$553.2K0.48%+20,368New
Apella Capital, LLC17,024$462.4K0.01%00.0%Unchanged
DnB Asset Management AS16,901$459.0K0.00%+3,650+27.5%Added
Police & Firemen's Retirement System of New Jersey16,822$456.9K0.00%−1,321−7.3%Reduced
Arizona State Retirement System16,524$448.8K0.00%−1,125−6.4%Reduced
SBI Okasan Asset Management Co.Ltd.16,400$426.9K0.02%+16,400New
Citigroup Inc14,922$405.3K0.00%−7,472−33.4%Reduced
State Board of Administration of Florida Retirement System14,537$394.8K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS12,800$347.6K0.00%+700+5.8%Added
Voya Investment Management LLC11,987$325.6K0.00%00.0%Unchanged
ProShare Advisors LLC11,973$325.2K0.00%+773+6.9%Added
Overbrook Management Corp11,537$313.3K0.05%+2,740+31.1%Added
Cetera Investment Advisers9,895$268.7K0.00%−10−0.1%Reduced
Virtus Investment Advisers, Inc.9,671$262.7K0.07%+4,079+72.9%Added
Transcend Wealth Collective, LLC9,237$250.9K0.02%00.0%Unchanged
Teacher Retirement System of Texas8,877$241.1K0.00%−5,821−39.6%Reduced
Argent Trust Co8,481$230.3K0.01%00.0%Unchanged
Marex Group plc8,200$222.7K0.00%+8,200New
Quest Partners LLC8,018$217.8K0.01%+4,316+116.6%Added
Public Employees Retirement Association of Colorado7,787$211.0K0.00%00.0%Unchanged
Values First Advisors, Inc.7,728$209.9K0.11%+7,728New
Russell Investments Group, Ltd.7,142$194.0K0.00%−220−3.0%Reduced
Great West Life Assurance Co6,338$172.0K0.00%00.0%Unchanged
Ensign Peak Advisors, Inc6,278$170.5K0.00%−9,600−60.5%Reduced
Ameritas Investment Partners, Inc.5,472$148.6K0.00%00.0%Unchanged
Sterling Capital Management LLC3,809$103.5K0.00%−726−16.0%Reduced
Kestra Advisory Services, LLC3,600$97.8K0.00%+3,600New
KBC Group NV2,411$65.0K0.00%00.0%Unchanged
Royal Bank of Canada2,292$62.0K0.00%−43,109−95.0%Reduced
Pinnacle Wealth Planning Services, Inc.2,242$60.9K0.01%+2,242New
Amalgamated Bank2,058$56.0K0.00%−131−6.0%Reduced
Bryn Mawr Trust Co1,633$44.4K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,475$40.1K0.00%−2,966−66.8%Reduced
Federation des caisses Desjardins du Quebec1,330$36.1K0.00%−10−0.7%Reduced
Advisor Group Holdings, Inc.1,133$30.8K0.00%+385+51.5%Added
Nisa Investment Advisors, LLC905$24.6K0.00%−490−35.1%Reduced
Group One Trading, L.P.748$20.3K0.00%+748New
US Bancorp722$19.6K0.00%00.0%Unchanged
Versant Capital Management, Inc652$17.7K0.00%+438+204.7%Added
The PNC Financial Services Group, Inc.535$14.5K0.00%−21−3.8%Reduced
CIBC Private Wealth Group, LLC500$13.6K0.00%00.0%Unchanged
Clear Street Markets LLC452$12.3K0.00%+452New
Signaturefd, LLC415$11.3K0.00%00.0%Unchanged
CWM, LLC386$10.0K0.00%−31−7.4%Reduced
National Bank of Canada367$9.97K0.00%00.0%Unchanged
Sound Income Strategies, LLC344$8.82K0.00%+344New
Smartleaf Asset Management LLC291$7.69K0.00%+239+459.6%Added
EverSource Wealth Advisors, LLC264$7.17K0.00%+2+0.8%Added
Los Angeles Capital Management LLC262$6.81K0.00%+262New
Rockefeller Capital Management L.P.230$6.25K0.00%+211+1,110.5%Added
GAMMA Investing LLC222$6.03K0.00%+81+57.4%Added
Farther Finance Advisors, LLC191$5.19K0.00%00.0%Unchanged
Quarry LP180$4.89K0.00%+180New
Quadrant Capital Group LLC160$4.35K0.00%00.0%Unchanged
Larson Financial Group LLC155$4.21K0.00%+82+112.3%Added
Quantbot Technologies LP146$3.96K0.00%−2,296−94.0%Reduced
Strategic Advocates LLC130$3.44K0.00%00.0%Unchanged
Optiver Holding B.V.120$3.26K0.00%−144−54.5%Reduced
Huntington National Bank109$2.96K0.00%00.0%Unchanged
Rothschild Investment LLC92$2.50K0.00%+2+2.2%Added
SRS Capital Advisors, Inc.87$2.36K0.00%+87New
J.Safra Asset Management Corp80$2.17K0.00%+40+100.0%Added
Bare Financial Services, Inc79$2.15K0.00%+79New
Parallel Advisors, LLC74$2.01K0.00%00.0%Unchanged
Allworth Financial LP70$1.90K0.00%00.0%Unchanged
Jones Financial Companies LLLP59$1.60K0.00%+59New
Parkside Financial Bank & Trust51$1.39K0.00%00.0%Unchanged
TSFG, LLC50$1.00K0.00%00.0%Unchanged
Comerica Bank31$8300.00%00.0%Unchanged
Private Wealth Management Group, LLC28$7610.00%00.0%Unchanged
GHP Investment Advisors, Inc.25$6790.00%+25New
Basecamp Wealth Advisors LLC24$6520.00%+24New
Caitong International Asset Management Co., Ltd22$5980.00%+22New
SBI Securities Co., Ltd.19$5160.00%−30−61.2%Reduced
True Wealth Design, LLC11$2990.00%00.0%Unchanged
Concord Wealth Partners8$2170.00%00.0%Unchanged
Scarborough Advisors, LLC6$1630.00%00.0%Unchanged
IFP Advisors, Inc5$1360.00%00.0%Unchanged
Strategic Investment Solutions, Inc.5$1360.00%00.0%Unchanged
MTM Investment Management, LLC1$270.00%00.0%Unchanged
CWM Advisors, LLC1$270.00%+1New
Capital Advisors, Ltd. LLC1$00.00%00.0%Unchanged
Avion Wealth24$00.00%00.0%Unchanged
Covestor Ltd8$00.00%−2−20.0%Reduced
Voloridge Investment Management, LLC0$00.00%−100,308−100.0%Sold out
Verition Fund Management LLC0$00.00%−55,140−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−50,000−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−48,906−100.0%Sold out
Schroder Investment Management Group0$00.00%−48,099−100.0%Sold out
Readystate Asset Management LP0$00.00%−46,520−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−31,618−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−27,367−100.0%Sold out
Guggenheim Capital LLC0$00.00%−22,721−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−18,308−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−14,362−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−11,632−100.0%Sold out
Prudential Financial Inc0$00.00%−8,809−100.0%Sold out