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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 2021

Institutional positions in Celldex Therapeutics, Inc. as of Dec 31, 2021. 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
181
+21 vs. Q3 2021
Shares held
46.1M
+3.10M (+7.2%) vs. Q3 2021
Total value
$1.79B
−$544.6M (−23.3%) vs. Q3 2021
New holders
42
59 more added
Sold out
21
49 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 181 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 heldQ4 2021: $1.79B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q3 2021.

Institutions holding CLDX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC6,999,580$270.5M0.02%+1,384,247+24.7%Added
RTW Investments, LP3,921,579$151.5M2.21%+12,632+0.3%Added
BlackRock Inc.3,101,030$119.8M0.00%−32,740−1.0%Reduced
Vanguard Group Inc2,413,056$93.2M0.00%+136,857+6.0%Added
State Street Corp2,368,040$91.5M0.00%+510,922+27.5%Added
Wellington Management Group LLP2,185,976$84.5M0.01%+5,624+0.3%Added
Redmile Group, LLC2,165,586$83.7M1.90%−877,712−28.8%Reduced
Ra Capital Management, L.P.1,804,795$69.7M1.23%+204,795+12.8%Added
Eventide Asset Management, LLC1,238,900$47.9M0.61%+110,900+9.8%Added
Citadel Advisors LLC1,069,356$41.3M0.04%+286,295+36.6%Added
Polar Capital Holdings Plc1,000,000$38.6M0.20%+277,157+38.3%Added
Price T Rowe Associates Inc915,608$35.4M0.00%+37,199+4.2%Added
VR Adviser, LLC865,116$33.4M4.57%−233,058−21.2%Reduced
Opaleye Management Inc.844,000$32.6M6.92%−141,000−14.3%Reduced
Geode Capital Management, LLC810,420$31.3M0.00%+17,913+2.3%Added
Octagon Capital Advisors LP761,398$29.4M5.73%00.0%Unchanged
Viking Global Investors LPSuperinvestorViking Global Investors757,881$29.3M0.08%−4,415−0.6%Reduced
Adage Capital Partners GP, L.L.C.650,000$25.1M0.05%−300,000−31.6%Reduced
Eversept Partners, LP592,478$22.9M1.91%+592,478New
Driehaus Capital Management LLC515,489$19.9M0.20%−35,576−6.5%Reduced
Fred Alger Management, LLC502,125$19.4M0.05%−23,742−4.5%Reduced
Vivo Capital, LLC484,453$18.7M1.13%00.0%Unchanged
Cowen and Company, LLC466,591$18.0M1.72%−182,687−28.1%Reduced
Northern Trust Corp464,164$17.9M0.00%+5,051+1.1%Added
Dimensional Fund Advisors LP449,597$17.4M0.01%+90,963+25.4%Added
Ikarian Capital, LLC419,216$16.2M4.64%+148,785+55.0%Added
OrbiMed Advisors LLC406,100$15.7M0.20%−8,200−2.0%Reduced
Candriam Luxembourg S.C.A.387,221$15.0M0.10%+206,999+114.9%Added
Ghost Tree Capital, LLC350,000$13.5M5.18%+95,000+37.3%Added
Acuta Capital Partners, LLC340,098$13.1M5.52%+2,598+0.8%Added
Charles Schwab Investment Management Inc328,095$12.7M0.00%+5,639+1.7%Added
Morgan Stanley305,933$11.8M0.00%+128,397+72.3%Added
Sofinnova Investments, Inc.271,533$10.5M0.67%+134,501+98.2%Added
Woodline Partners LP259,895$10.0M0.15%+259,895New
Goldman Sachs Group Inc254,214$9.82M0.00%−53,465−17.4%Reduced
TSP Capital Management Group, LLC–$9.80M3.27%––
Perceptive Advisors LLC229,807$8.88M0.14%−163,806−41.6%Reduced
Kynam Capital Management, LP226,726$8.76M4.68%+226,726New
Invesco Ltd.207,672$8.03M0.00%−326,313−61.1%Reduced
Two Sigma Investments, LP193,641$7.48M0.02%+193,641New
American Century Companies Inc184,431$7.13M0.00%+184,431New
D. E. Shaw & Co., Inc.174,785$6.75M0.01%+60,861+53.4%Added
Sphera Funds Management Ltd.166,766$6.44M0.77%+36,436+28.0%Added
AXA S.A.158,922$6.14M0.02%−4,061−2.5%Reduced
Bank of New York Mellon Corp153,460$5.93M0.00%−19,286−11.2%Reduced
Rafferty Asset Management, LLC144,115$5.57M0.03%+86,971+152.2%Added
Barclays PLC139,952$5.41M0.00%+100,184+251.9%Added
Voloridge Investment Management, LLC132,993$5.14M0.03%+30,847+30.2%Added
Pura Vida Investments, LLC131,771$5.09M0.53%+54,486+70.5%Added
UBS Group AG130,590$5.05M0.00%+83,264+175.9%Added
Nuveen Asset Management, LLC137,359$4.99M0.00%−10,129−6.9%Reduced
JPMorgan Chase & Co127,834$4.94M0.00%−83,619−39.5%Reduced
Altium Capital Management LP126,000$4.87M1.37%−59,000−31.9%Reduced
Citigroup Inc119,048$4.60M0.00%+9,739+8.9%Added
First Trust Advisors LP101,783$3.93M0.00%+101,783New
Affinity Asset Advisors, LLC100,000$3.86M1.65%+59,846+149.0%Added
Cormorant Asset Management, LP100,000$3.86M0.23%+100,000New
Deutsche Bank AG97,896$3.78M0.00%+52,637+116.3%Added
Bank of America Corp94,437$3.65M0.00%+68,077+258.3%Added
Mirador Capital Partners LP86,052$3.33M0.70%+12,336+16.7%Added
Susquehanna International Group, LLP84,489$3.27M0.00%−69,471−45.1%Reduced
Swiss National Bank81,900$3.17M0.00%−3,400−4.0%Reduced
TD Asset Management Inc62,329$2.41M0.00%00.0%Unchanged
Two Sigma Advisers, LP60,300$2.33M0.01%+60,300New
Principal Financial Group Inc57,603$2.23M0.00%−35,825−38.3%Reduced
California State Teachers Retirement System56,457$2.18M0.00%−226−0.4%Reduced
Verition Fund Management LLC53,862$2.08M0.03%+53,862New
Kiwi Wealth Investments Limited Partnership51,975$2.01M0.09%+35,073+207.5%Added
State of Wisconsin Investment Board50,700$1.96M0.00%00.0%Unchanged
Rhumbline Advisers49,823$1.93M0.00%+558+1.1%Added
Wells Fargo & Company46,712$1.81M0.00%+26,527+131.4%Added
Altshuler Shaham Ltd46,500$1.80M0.04%00.0%Unchanged
Boothbay Fund Management, LLC45,450$1.76M0.06%+19,041+72.1%Added
Group One Trading, L.P.45,208$1.75M0.03%+17,957+65.9%Added
Silverarc Capital Management, LLC45,132$1.74M0.78%+6,889+18.0%Added
Alliancebernstein L.P.40,900$1.58M0.00%00.0%Unchanged
Millennium Management LLC39,671$1.53M0.00%+39,671New
Allianz Asset Management GmbH36,205$1.40M0.00%+26,369+268.1%Added
UBS Asset Management Americas Inc33,089$1.28M0.00%−3,121−8.6%Reduced
New York State Common Retirement Fund32,681$1.26M0.00%+2,165+7.1%Added
HighVista Strategies LLC29,856$1.15M0.92%+1,390+4.9%Added
Cubist Systematic Strategies, LLC28,986$1.12M0.01%+7,063+32.2%Added
Kennedy Capital Management, Inc.28,158$1.09M0.02%+28,158New
Credit Suisse AG28,105$1.09M0.00%−2,059−6.8%Reduced
Caption Management, LLC26,500$1.02M0.06%−46,500−63.7%Reduced
American International Group, Inc.24,438$944.0K0.00%−731−2.9%Reduced
Canada Pension Plan Investment Board23,600$912.0K0.00%+12,600+114.5%Added
Manufacturers Life Insurance Company, The23,286$903.0K0.00%−93−0.4%Reduced
Allspring Global Investments Holdings, LLC23,299$900.0K0.00%+23,299New
Teachers Retirement System of the State of Kentucky22,371$864.0K0.01%00.0%Unchanged
Jane Street Group, LLC22,200$858.0K0.00%+9,952+81.3%Added
Old Mission Capital LLC21,663$837.0K0.04%+21,663New
Squarepoint Ops LLC20,604$796.0K0.00%+10,605+106.1%Added
HRT Financial LP20,487$791.0K0.00%+20,487New
Creative Planning19,708$762.0K0.00%−4,400−18.3%Reduced
Gsa Capital Partners LLP18,726$724.0K0.09%+18,726New
ClariVest Asset Management LLC18,700$722.0K0.02%−14,600−43.8%Reduced
Gyon Technologies Capital Management, LP18,388$711.0K0.13%−17,376−48.6%Reduced
Voya Investment Management LLC17,976$695.0K0.00%+145+0.8%Added
SG3 Management, LLC17,500$676.0K0.07%−6,000−25.5%Reduced