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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
Capital Advisors, Ltd. LLC1$00.00%00.0%Unchanged
Avion Wealth24$00.00%00.0%Unchanged
Covestor Ltd8$00.00%−2−20.0%Reduced
MTM Investment Management, LLC1$270.00%00.0%Unchanged
CWM Advisors, LLC1$270.00%+1New
IFP Advisors, Inc5$1360.00%00.0%Unchanged
Strategic Investment Solutions, Inc.5$1360.00%00.0%Unchanged
Scarborough Advisors, LLC6$1630.00%00.0%Unchanged
Concord Wealth Partners8$2170.00%00.0%Unchanged
True Wealth Design, LLC11$2990.00%00.0%Unchanged
SBI Securities Co., Ltd.19$5160.00%−30−61.2%Reduced
Caitong International Asset Management Co., Ltd22$5980.00%+22New
Basecamp Wealth Advisors LLC24$6520.00%+24New
GHP Investment Advisors, Inc.25$6790.00%+25New
Private Wealth Management Group, LLC28$7610.00%00.0%Unchanged
Comerica Bank31$8300.00%00.0%Unchanged
TSFG, LLC50$1.00K0.00%00.0%Unchanged
Parkside Financial Bank & Trust51$1.39K0.00%00.0%Unchanged
Jones Financial Companies LLLP59$1.60K0.00%+59New
Allworth Financial LP70$1.90K0.00%00.0%Unchanged
Parallel Advisors, LLC74$2.01K0.00%00.0%Unchanged
Bare Financial Services, Inc79$2.15K0.00%+79New
J.Safra Asset Management Corp80$2.17K0.00%+40+100.0%Added
SRS Capital Advisors, Inc.87$2.36K0.00%+87New
Rothschild Investment LLC92$2.50K0.00%+2+2.2%Added
Huntington National Bank109$2.96K0.00%00.0%Unchanged
Optiver Holding B.V.120$3.26K0.00%−144−54.5%Reduced
Strategic Advocates LLC130$3.44K0.00%00.0%Unchanged
Quantbot Technologies LP146$3.96K0.00%−2,296−94.0%Reduced
Larson Financial Group LLC155$4.21K0.00%+82+112.3%Added
Quadrant Capital Group LLC160$4.35K0.00%00.0%Unchanged
Quarry LP180$4.89K0.00%+180New
Farther Finance Advisors, LLC191$5.19K0.00%00.0%Unchanged
GAMMA Investing LLC222$6.03K0.00%+81+57.4%Added
Rockefeller Capital Management L.P.230$6.25K0.00%+211+1,110.5%Added
Los Angeles Capital Management LLC262$6.81K0.00%+262New
EverSource Wealth Advisors, LLC264$7.17K0.00%+2+0.8%Added
Smartleaf Asset Management LLC291$7.69K0.00%+239+459.6%Added
Sound Income Strategies, LLC344$8.82K0.00%+344New
National Bank of Canada367$9.97K0.00%00.0%Unchanged
CWM, LLC386$10.0K0.00%−31−7.4%Reduced
Signaturefd, LLC415$11.3K0.00%00.0%Unchanged
Clear Street Markets LLC452$12.3K0.00%+452New
CIBC Private Wealth Group, LLC500$13.6K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.535$14.5K0.00%−21−3.8%Reduced
Versant Capital Management, Inc652$17.7K0.00%+438+204.7%Added
US Bancorp722$19.6K0.00%00.0%Unchanged
Group One Trading, L.P.748$20.3K0.00%+748New
Nisa Investment Advisors, LLC905$24.6K0.00%−490−35.1%Reduced
Advisor Group Holdings, Inc.1,133$30.8K0.00%+385+51.5%Added
Federation des caisses Desjardins du Quebec1,330$36.1K0.00%−10−0.7%Reduced
Tower Research Capital LLC (TRC)1,475$40.1K0.00%−2,966−66.8%Reduced
Bryn Mawr Trust Co1,633$44.4K0.00%00.0%Unchanged
Amalgamated Bank2,058$56.0K0.00%−131−6.0%Reduced
Pinnacle Wealth Planning Services, Inc.2,242$60.9K0.01%+2,242New
Royal Bank of Canada2,292$62.0K0.00%−43,109−95.0%Reduced
KBC Group NV2,411$65.0K0.00%00.0%Unchanged
Kestra Advisory Services, LLC3,600$97.8K0.00%+3,600New
Sterling Capital Management LLC3,809$103.5K0.00%−726−16.0%Reduced
Ameritas Investment Partners, Inc.5,472$148.6K0.00%00.0%Unchanged
Ensign Peak Advisors, Inc6,278$170.5K0.00%−9,600−60.5%Reduced
Great West Life Assurance Co6,338$172.0K0.00%00.0%Unchanged
Russell Investments Group, Ltd.7,142$194.0K0.00%−220−3.0%Reduced
Values First Advisors, Inc.7,728$209.9K0.11%+7,728New
Public Employees Retirement Association of Colorado7,787$211.0K0.00%00.0%Unchanged
Quest Partners LLC8,018$217.8K0.01%+4,316+116.6%Added
Marex Group plc8,200$222.7K0.00%+8,200New
Argent Trust Co8,481$230.3K0.01%00.0%Unchanged
Teacher Retirement System of Texas8,877$241.1K0.00%−5,821−39.6%Reduced
Transcend Wealth Collective, LLC9,237$250.9K0.02%00.0%Unchanged
Virtus Investment Advisers, Inc.9,671$262.7K0.07%+4,079+72.9%Added
Cetera Investment Advisers9,895$268.7K0.00%−10−0.1%Reduced
Overbrook Management Corp11,537$313.3K0.05%+2,740+31.1%Added
ProShare Advisors LLC11,973$325.2K0.00%+773+6.9%Added
Voya Investment Management LLC11,987$325.6K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS12,800$347.6K0.00%+700+5.8%Added
State Board of Administration of Florida Retirement System14,537$394.8K0.00%00.0%Unchanged
Citigroup Inc14,922$405.3K0.00%−7,472−33.4%Reduced
SBI Okasan Asset Management Co.Ltd.16,400$426.9K0.02%+16,400New
Arizona State Retirement System16,524$448.8K0.00%−1,125−6.4%Reduced
Police & Firemen's Retirement System of New Jersey16,822$456.9K0.00%−1,321−7.3%Reduced
DnB Asset Management AS16,901$459.0K0.00%+3,650+27.5%Added
Apella Capital, LLC17,024$462.4K0.01%00.0%Unchanged
PSP Research LLC20,368$553.2K0.48%+20,368New
Panagora Asset Management Inc21,856$593.6K0.00%+1,522+7.5%Added
New York State Common Retirement Fund22,237$604.0K0.00%00.0%Unchanged
Quantinno Capital Management LP23,586$640.6K0.00%+23,586New
ArrowMark Colorado Holdings LLC25,000$679.0K0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)25,317$687.6K0.00%+2,517+11.0%Added
Janus Henderson Group PLC25,642$696.8K0.00%00.0%Unchanged
Handelsbanken Fonder AB25,900$703.0K0.00%+4,300+19.9%Added
Victory Capital Management Inc27,429$745.0K0.00%+39+0.1%Added
Creative Planning31,404$852.9K0.00%−1,866−5.6%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH32,263$876.3K0.00%+12,966+67.2%Added
Teachers Retirement System of the State of Kentucky33,098$899.0K0.01%00.0%Unchanged
Intech Investment Management LLC33,499$909.8K0.01%+2,608+8.4%Added
Mirae Asset Global ETFs Holdings Ltd.37,066$1.00M0.00%+1,653+4.7%Added
MetLife Investment Management37,012$1.01M0.00%−1,992−5.1%Reduced
State of Wisconsin Investment Board38,066$1.03M0.00%−6,693−15.0%Reduced
First Trust Advisors LP38,313$1.04M0.00%+2,782+7.8%Added