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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 2023

Institutional positions in Celldex Therapeutics, Inc. as of Dec 31, 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
164
+21 vs. Q3 2023
Shares held
61.0M
+10.5M (+20.7%) vs. Q3 2023
Total value
$2.42B
+$1.03B (+74.0%) vs. Q3 2023
New holders
33
60 more added
Sold out
12
45 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 164 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 2023: $2.42B
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 2023

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q3 2023.

Institutions holding CLDX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
TD Asset Management Inc52,322$2.08M0.00%−12,600−19.4%Reduced
Alliancebernstein L.P.54,080$2.14M0.00%−39,201−42.0%Reduced
OrbiMed Advisors LLC58,800$2.33M0.05%+58,800New
Kennedy Capital Management, Inc.62,172$2.47M0.05%−25,222−28.9%Reduced
Citigroup Inc62,341$2.47M0.00%−7,014−10.1%Reduced
Crestline Management, LP67,243$2.67M0.25%+4,133+6.5%Added
Acuta Capital Partners, LLC69,400$2.75M1.55%−52,941−43.3%Reduced
JPMorgan Chase & Co75,470$2.99M0.00%+12,793+20.4%Added
Rhumbline Advisers76,022$3.02M0.00%−652−0.9%Reduced
Polar Asset Management Partners Inc.94,300$3.74M0.10%−38,100−28.8%Reduced
Swiss National Bank97,000$3.85M0.00%+8,700+9.9%Added
Monashee Investment Management LLC100,209$3.97M0.70%+100,209New
Mirador Capital Partners LP107,910$4.28M0.91%+92+0.1%Added
Exome Asset Management LLC111,300$4.41M4.36%+111,300New
Nuveen Asset Management, LLC121,195$4.81M0.00%+915+0.8%Added
Citadel Advisors LLC126,328$5.01M0.01%+120,403+2,032.1%Added
Jane Street Group, LLC128,161$5.08M0.01%+68,747+115.7%Added
Schonfeld Strategic Advisors LLC130,542$5.18M0.04%+130,542New
BNP Paribas Arbitrage, SA136,601$5.42M0.01%+44,878+48.9%Added
Laurion Capital Management LP138,531$5.49M0.20%+138,531New
AXA S.A.142,170$5.64M0.02%−3,439−2.4%Reduced
Barclays PLC145,894$5.79M0.00%+2,431+1.7%Added
Rafferty Asset Management, LLC148,009$5.87M0.02%−16,781−10.2%Reduced
UBS Group AG158,092$6.27M0.00%+136,897+645.9%Added
American Century Companies Inc161,051$6.39M0.00%+191+0.1%Added
Bank of New York Mellon Corp169,139$6.71M0.00%+4,982+3.0%Added
Walleye Capital LLC169,268$6.71M0.09%+10,275+6.5%Added
Ensign Peak Advisors, Inc179,611$7.12M0.01%+87,482+95.0%Added
Bank of America Corp217,814$8.64M0.00%+5,557+2.6%Added
Dimensional Fund Advisors LP230,471$9.14M0.00%−110,879−32.5%Reduced
Silverarc Capital Management, LLC247,215$9.80M3.02%+247,215New
Baker Bros. Advisors LP247,644$9.82M0.11%+247,644New
TSP Capital Management Group, LLC251,495$9.97M3.46%−200−0.1%Reduced
Invesco Ltd.257,563$10.2M0.00%+220,428+593.6%Added
Sphera Funds Management Ltd.315,644$12.5M2.32%+135,644+75.4%Added
Candriam Luxembourg S.C.A.317,509$12.6M0.09%−5,000−1.6%Reduced
Woodline Partners LP387,652$15.4M0.17%+280,156+260.6%Added
Affinity Asset Advisors, LLC400,000$15.9M3.16%+250,000+166.7%Added
Charles Schwab Investment Management Inc409,391$16.2M0.00%+47,844+13.2%Added
Price T Rowe Associates Inc422,293$16.7M0.00%−45,762−9.8%Reduced
Goldman Sachs Group Inc437,759$17.4M0.00%+25,925+6.3%Added
Northern Trust Corp444,805$17.6M0.00%−29,115−6.1%Reduced
5AM Venture Management, LLC497,270$19.7M5.23%+187,000+60.3%Added
Morgan Stanley658,365$26.1M0.00%+134,665+25.7%Added
Commodore Capital LP701,967$27.8M2.43%−4,698−0.7%Reduced
Octagon Capital Advisors LP707,526$28.1M4.49%−52,372−6.9%Reduced
Eversept Partners, LP754,107$29.9M2.93%+165,964+28.2%Added
Sofinnova Investments, Inc.844,008$33.5M1.88%+419,749+98.9%Added
Rock Springs Capital Management LP969,646$38.5M0.95%+469,545+93.9%Added
Redmile Group, LLC993,803$39.4M1.41%−642,135−39.3%Reduced
Geode Capital Management, LLC1,117,994$44.3M0.00%+117,569+11.8%Added
Marshall Wace, LLP1,280,084$50.8M0.10%+741,765+137.8%Added
Pictet Asset Management Holding SA2,225,448$88.3M0.10%+374,478+20.2%Added
State Street Corp2,377,326$94.3M0.00%+84,475+3.7%Added
Bellevue Group AG2,416,296$95.8M1.47%+516,296+27.2%Added
Point72 Asset Management, L.P.2,756,122$109.3M0.33%+1,413,722+105.3%Added
Kynam Capital Management, LP3,005,904$119.2M13.49%−194,096−6.1%Reduced
Vanguard Group Inc3,046,331$120.8M0.00%+427,827+16.3%Added
Polar Capital Holdings Plc3,135,871$124.4M0.86%+709,115+29.2%Added
RTW Investments, LP3,463,201$137.4M2.15%00.0%Unchanged
Eventide Asset Management, LLC3,630,013$144.0M2.35%+2,030,013+126.9%Added
BlackRock Inc.3,675,692$145.8M0.00%+423,738+13.0%Added
Wellington Management Group LLP6,476,561$256.9M0.05%+1,044,728+19.2%Added
FMR LLC7,050,409$279.6M0.02%−38,711−0.5%Reduced
Gsa Capital Partners LLP0$00.00%−44,716−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−26,434−100.0%Sold out
HighVista Strategies LLC0$00.00%−17,482−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−16,082−100.0%Sold out
AlphaCentric Advisors LLC0$00.00%−15,000−100.0%Sold out
XTX Topco Ltd0$00.00%−11,159−100.0%Sold out
Centiva Capital, LP0$00.00%−9,727−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−1,941−100.0%Sold out
North Star Investment Management Corp.0$00.00%−800−100.0%Sold out
Headlands Technologies LLC0$00.00%−718−100.0%Sold out
Byrne Asset Management LLC0$00.00%−86−100.0%Sold out
Bogart Wealth, LLC0$00.00%−15−100.0%Sold out
International Biotechnology Trust PLC––––Not filed