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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, Q2 2023

Institutional positions in Celldex Therapeutics, Inc. as of Jun 30, 2023. 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
150
−9 vs. Q1 2023
Shares held
50.2M
+685.0K (+1.4%) vs. Q1 2023
Total value
$1.70B
−$76.6M (−4.3%) vs. Q1 2023
New holders
17
61 more added
Sold out
26
44 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 holdersQ2 2023: 150 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 heldQ2 2023: $1.70B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q1 2023.

Institutions holding CLDX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Citigroup Inc70,834$2.40M0.00%−47,071−39.9%Reduced
Rhumbline Advisers73,553$2.50M0.00%−371−0.5%Reduced
Affinity Asset Advisors, LLC87,031$2.95M1.16%+37,031+74.1%Added
Kennedy Capital Management, Inc.87,228$2.96M0.07%+5,862+7.2%Added
Swiss National Bank87,400$2.97M0.00%+6,000+7.4%Added
Citadel Advisors LLC90,750$3.08M0.00%−1,244,796−93.2%Reduced
Ensign Peak Advisors, Inc92,129$3.13M0.01%00.0%Unchanged
JPMorgan Chase & Co99,823$3.39M0.00%+28,210+39.4%Added
Mirador Capital Partners LP104,715$3.55M0.84%+3,826+3.8%Added
AXA S.A.114,130$3.87M0.01%+1,570+1.4%Added
Nuveen Asset Management, LLC120,968$4.10M0.00%+420+0.3%Added
Walleye Capital LLC121,252$4.11M0.07%+51,436+73.7%Added
Acuta Capital Partners, LLC122,343$4.15M2.81%+843+0.7%Added
Morgan Stanley137,784$4.68M0.00%−355,261−72.1%Reduced
Sphera Funds Management Ltd.160,000$5.43M1.16%+160,000New
American Century Companies Inc160,837$5.46M0.00%−4,891−3.0%Reduced
Bank of New York Mellon Corp161,749$5.49M0.00%−3,319−2.0%Reduced
Fred Alger Management, LLC165,317$5.61M0.03%−198,956−54.6%Reduced
Barclays PLC172,134$5.84M0.00%+63,110+57.9%Added
Sofinnova Investments, Inc.197,758$6.71M0.44%−221,639−52.8%Reduced
Rafferty Asset Management, LLC205,508$6.97M0.04%+59,772+41.0%Added
TSP Capital Management Group, LLC251,895$8.55M3.08%−500−0.2%Reduced
Marshall Wace, LLP289,523$9.82M0.02%−44,143−13.2%Reduced
5AM Venture Management, LLC310,270$10.5M2.62%+310,270New
Charles Schwab Investment Management Inc350,729$11.9M0.00%+4,006+1.2%Added
Bank of America Corp354,921$12.0M0.00%−6,596−1.8%Reduced
Rock Springs Capital Management LP421,615$14.3M0.34%+1110.0%Added
Goldman Sachs Group Inc442,900$15.0M0.00%+82,727+23.0%Added
Dimensional Fund Advisors LP453,634$15.4M0.00%−45,120−9.0%Reduced
Price T Rowe Associates Inc478,574$16.2M0.00%−234,988−32.9%Reduced
Northern Trust Corp487,752$16.5M0.00%+7,199+1.5%Added
Candriam Luxembourg S.C.A.550,509$18.7M0.13%−45,000−7.6%Reduced
Commodore Capital LP631,665$21.4M2.41%+135,842+27.4%Added
Octagon Capital Advisors LP759,898$25.8M3.60%00.0%Unchanged
Eversept Partners, LP785,740$26.7M2.82%+96,064+13.9%Added
Geode Capital Management, LLC965,073$32.7M0.00%+39,365+4.3%Added
Point72 Asset Management, L.P.1,184,800$40.2M0.14%+955,297+416.2%Added
Jennison Associates LLC1,329,095$45.1M0.04%−252,995−16.0%Reduced
Eventide Asset Management, LLC1,377,740$46.7M0.79%00.0%Unchanged
Redmile Group, LLC1,696,004$57.5M2.21%−183,735−9.8%Reduced
Pictet Asset Management SA1,794,048$60.9M0.07%+1,014,420+130.1%Added
Bellevue Group AG1,800,000$61.1M0.87%00.0%Unchanged
Polar Capital Holdings Plc2,416,756$82.0M0.56%+148,767+6.6%Added
Vanguard Group Inc2,597,816$88.1M0.00%+49,218+1.9%Added
Kynam Capital Management, LP2,600,000$88.2M13.52%+1,190,549+84.5%Added
State Street Corp2,727,306$92.5M0.00%+424,781+18.4%Added
BlackRock Inc.3,221,987$109.3M0.00%−28,651−0.9%Reduced
RTW Investments, LP3,463,201$117.5M2.24%+378,986+12.3%Added
Wellington Management Group LLP5,131,427$174.1M0.03%+949,816+22.7%Added
FMR LLC7,087,870$240.5M0.02%+6,792+0.1%Added
Ra Capital Management, L.P.0$00.00%−1,734,972−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−125,300−100.0%Sold out
Ikarian Capital, LLC0$00.00%−106,057−100.0%Sold out
EAM Global Investors LLC0$00.00%−63,143−100.0%Sold out
State of New Jersey Common Pension Fund D0$00.00%−55,605−100.0%Sold out
First Trust Advisors LP0$00.00%−53,072−100.0%Sold out
EAM Investors, LLC0$00.00%−46,216−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−42,636−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−36,200−100.0%Sold out
Ergoteles LLC0$00.00%−35,629−100.0%Sold out
Bank of Montreal0$00.00%−26,980−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−19,576−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−14,900−100.0%Sold out
SEI Investments Co0$00.00%−9,069−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−8,265−100.0%Sold out
Engineers Gate Manager LP0$00.00%−8,227−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−6,916−100.0%Sold out
CM Wealth Advisors LLC0$00.00%−7,590−100.0%Sold out
Keybank National Association0$00.00%−5,810−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−5,800−100.0%Sold out
Atom Investors LP0$00.00%−5,698−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−3,000−100.0%Sold out
Advisory Services Network, LLC0$00.00%−200−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−171−100.0%Sold out
Strategic Investment Solutions, Inc.0$00.00%−5−100.0%Sold out
GHP Investment Advisors, Inc.0$00.00%−4−100.0%Sold out
Harvest Group Wealth Management, LLC––––Not filed
Householder Group Estate & Retirement Specialist, LLC––––Not filed