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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 2021

Institutional positions in Celldex Therapeutics, Inc. as of Sep 30, 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
161
+30 vs. Q2 2021
Shares held
43.0M
+7.72M (+21.9%) vs. Q2 2021
Total value
$2.33B
+$1.14B (+95.6%) vs. Q2 2021
New holders
44
53 more added
Sold out
14
46 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 161 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 heldQ3 2021: $2.33B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q2 2021.

Institutions holding CLDX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC5,615,333$303.2M0.02%+5,249,038+1,433.0%Added
RTW Investments, LP3,908,947$211.0M3.18%00.0%Unchanged
BlackRock Inc.3,133,770$169.2M0.00%+433,120+16.0%Added
Redmile Group, LLC3,043,298$164.3M2.87%+31,217+1.0%Added
Vanguard Group Inc2,276,199$122.9M0.00%+305,793+15.5%Added
Wellington Management Group LLP2,180,352$117.7M0.02%+217,353+11.1%Added
State Street Corp1,857,118$100.3M0.01%−237,100−11.3%Reduced
Ra Capital Management, L.P.1,600,000$86.4M1.20%+1,600,000New
Eventide Asset Management, LLC1,128,000$60.9M0.81%−980,908−46.5%Reduced
VR Adviser, LLC1,098,174$59.3M7.62%−142,436−11.5%Reduced
Opaleye Management Inc.985,000$53.0M9.91%00.0%Unchanged
Adage Capital Partners GP, L.L.C.950,000$51.3M0.10%−868,478−47.8%Reduced
Price T Rowe Associates Inc878,409$47.4M0.00%+489,361+125.8%Added
Geode Capital Management, LLC792,507$42.8M0.01%+119,559+17.8%Added
Citadel Advisors LLC783,061$42.3M0.05%+411,890+111.0%Added
Viking Global Investors LPSuperinvestorViking Global Investors762,296$41.2M0.11%+762,296New
Octagon Capital Advisors LP761,398$41.1M10.12%+200,000+35.6%Added
Polar Capital Holdings Plc722,843$39.0M0.21%+222,843+44.6%Added
Cowen and Company, LLC649,278$35.1M1.69%+620,883+2,186.6%Added
Driehaus Capital Management LLC551,065$29.8M0.35%−34,246−5.9%Reduced
Invesco Ltd.533,985$28.8M0.01%+103,578+24.1%Added
Fred Alger Management, LLC525,867$28.4M0.07%+525,867New
Vivo Capital, LLC484,453$26.2M1.17%−484,453−50.0%Reduced
Northern Trust Corp459,113$24.8M0.00%+46,850+11.4%Added
OrbiMed Advisors LLC414,300$22.4M0.25%+414,300New
Perceptive Advisors LLC393,613$21.3M0.31%−349,086−47.0%Reduced
Dimensional Fund Advisors LP358,634$19.4M0.01%−790−0.2%Reduced
Acuta Capital Partners, LLC337,500$18.2M6.49%−649,906−65.8%Reduced
Charles Schwab Investment Management Inc322,456$17.4M0.01%+224,831+230.3%Added
Goldman Sachs Group Inc307,679$16.6M0.00%−30,376−9.0%Reduced
TSP Capital Management Group, LLC–$14.7M5.00%––
Ikarian Capital, LLC270,431$14.6M3.34%−95,113−26.0%Reduced
Ghost Tree Capital, LLC255,000$13.8M4.54%−30,000−10.5%Reduced
Commodore Capital LP248,207$13.4M3.53%−75,230−23.3%Reduced
JPMorgan Chase & Co211,453$11.4M0.00%+196,264+1,292.1%Added
Altium Capital Management LP185,000$9.99M2.66%+91,884+98.7%Added
Candriam Luxembourg S.C.A.180,222$9.73M0.07%−219,463−54.9%Reduced
Morgan Stanley177,536$9.58M0.00%+54,377+44.2%Added
Bank of New York Mellon Corp172,746$9.33M0.00%+56,311+48.4%Added
AXA S.A.162,983$8.80M0.02%−65,968−28.8%Reduced
Renaissance Technologies LLC161,276$8.71M0.01%−202,751−55.7%Reduced
Susquehanna International Group, LLP153,960$8.31M0.01%+47,512+44.6%Added
Nuveen Asset Management, LLC147,488$8.02M0.00%+5,457+3.8%Added
Sofinnova Investments, Inc.137,032$7.40M0.47%+2,308+1.7%Added
Sphera Funds Management Ltd.130,330$7.04M0.70%+130,330New
D. E. Shaw & Co., Inc.113,924$6.15M0.01%+83,625+276.0%Added
Citigroup Inc109,309$5.90M0.01%−10,945−9.1%Reduced
Voloridge Investment Management, LLC102,146$5.51M0.04%+102,146New
EAM Global Investors LLC96,528$5.21M1.23%+25,290+35.5%Added
Principal Financial Group Inc93,428$5.04M0.00%+9,563+11.4%Added
EAM Investors, LLC86,399$4.67M0.79%+35,866+71.0%Added
Swiss National Bank85,300$4.61M0.00%−1,900−2.2%Reduced
Pura Vida Investments, LLC77,285$4.17M0.31%−27,771−26.4%Reduced
Mirador Capital Partners LP73,716$3.98M0.90%−4,963−6.3%Reduced
Caption Management, LLC73,000$3.94M0.26%+73,000New
TD Asset Management Inc62,329$3.37M0.00%+17,400+38.7%Added
Rafferty Asset Management, LLC57,144$3.08M0.02%−21,357−27.2%Reduced
Schonfeld Strategic Advisors LLC56,807$3.07M0.03%−20,073−26.1%Reduced
California State Teachers Retirement System56,683$3.06M0.00%+2,604+4.8%Added
State of Wisconsin Investment Board50,700$2.74M0.01%+1,000+2.0%Added
Rhumbline Advisers49,265$2.66M0.00%+8,430+20.6%Added
UBS Group AG47,326$2.56M0.00%+27,013+133.0%Added
Altshuler Shaham Ltd46,500$2.52M0.02%00.0%Unchanged
Parametric Portfolio Associates LLC46,408$2.51M0.00%+35,654+331.5%Added
Deutsche Bank AG45,259$2.44M0.00%+10,628+30.7%Added
Arrowstreet Capital, Limited Partnership44,356$2.40M0.00%+44,356New
Alliancebernstein L.P.40,900$2.21M0.00%00.0%Unchanged
Affinity Asset Advisors, LLC40,154$2.17M0.86%−9,846−19.7%Reduced
Barclays PLC39,768$2.15M0.00%+17,943+82.2%Added
Silverarc Capital Management, LLC38,243$2.06M1.20%+28,322+285.5%Added
UBS Asset Management Americas Inc36,210$1.95M0.00%+2,198+6.5%Added
Gyon Technologies Capital Management, LP35,764$1.93M0.52%+35,764New
Empowered Funds, LLC34,836$1.88M0.24%+34,836New
ClariVest Asset Management LLC33,300$1.80M0.06%−200−0.6%Reduced
New York State Common Retirement Fund30,516$1.65M0.00%−3,084−9.2%Reduced
Credit Suisse AG30,164$1.63M0.00%+3,742+14.2%Added
HighVista Strategies LLC28,466$1.54M1.02%−5,427−16.0%Reduced
Group One Trading, L.P.27,251$1.47M0.03%+968+3.7%Added
Boothbay Fund Management, LLC26,409$1.43M0.06%−25,929−49.5%Reduced
Bank of America Corp26,360$1.42M0.00%+13,668+107.7%Added
American International Group, Inc.25,169$1.36M0.01%+3,199+14.6%Added
Creative Planning24,108$1.30M0.00%00.0%Unchanged
Simplex Trading, LLC36,911$1.27M0.05%−200−0.5%Reduced
SG3 Management, LLC23,500$1.27M0.45%+23,500New
Manufacturers Life Insurance Company, The23,379$1.26M0.00%+1,244+5.6%Added
Teachers Retirement System of the State of Kentucky22,371$1.21M0.01%−4,260−16.0%Reduced
Virtue Capital Management, LLC22,304$1.20M0.21%+22,304New
Cubist Systematic Strategies, LLC21,923$1.18M0.01%−972−4.2%Reduced
Wells Fargo & Company20,185$1.09M0.00%+20,036+13,447.0%Added
Victory Capital Management Inc19,677$1.06M0.00%−3,456−14.9%Reduced
SG Americas Securities, LLC19,574$1.06M0.01%+19,574New
Voya Investment Management LLC17,831$963.0K0.00%+2,390+15.5%Added
AlphaCentric Advisors LLC17,000$918.0K0.23%−8,000−32.0%Reduced
Kiwi Wealth Investments Limited Partnership16,902$913.0K0.05%+16,902New
Legal & General Group Plc16,770$906.0K0.00%+10,667+174.8%Added
MetLife Investment Management16,056$866.9K0.01%+1,549+10.7%Added
Gotham Asset Management, LLC12,946$699.0K0.03%+12,946New
Jane Street Group, LLC12,248$661.0K0.00%−43,688−78.1%Reduced
Metropolitan Life Insurance Co12,148$655.9K0.01%+1,041+9.4%Added
Connor, Clark & Lunn Investment Management Ltd.12,117$654.0K0.00%−2,416−16.6%Reduced