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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 $3.19B 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
+22 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
11
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: 161 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 2023: $2.45B
Q1 2021: $709.5MQ2 2021: $1.23BQ3 2021: $2.33BQ4 2021: $1.81BQ1 2022: $1.69BQ2 2022: $1.30BQ3 2022: $1.39BQ4 2022: $2.17BQ1 2023: $2.03BQ2 2023: $1.70BQ3 2023: $1.39BQ4 2023: $2.45BQ1 2024: $2.94BQ2 2024: $2.58BQ3 2024: $2.44BQ4 2024: $1.86BQ1 2025: $1.34BQ2 2025: $1.48BQ3 2025: $1.83BQ4 2025: $2.00BQ1 2026: $2.32BQ2 2026: $3.19B
Institutions holding CLDX and their total value by quarter
QuarterHoldersValue
Q2 2026253$3.19B
Q1 2026229$2.32B
Q4 2025187$2.00B
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$2.94B
Q4 2023164$2.45B
Q3 2023143$1.39B
Q2 2023150$1.70B
Q1 2023161$2.03B
Q4 2022168$2.17B
Q3 2022161$1.39B
Q2 2022158$1.30B
Q1 2022169$1.69B
Q4 2021181$1.81B
Q3 2021161$2.33B
Q2 2021132$1.23B
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
FMR LLC7,050,409$279.6M0.02%−38,711−0.5%Reduced
Wellington Management Group LLP6,476,561$256.9M0.05%+1,044,728+19.2%Added
BlackRock Inc.3,675,692$145.8M0.00%+423,738+13.0%Added
Eventide Asset Management, LLC3,630,013$144.0M2.35%+2,030,013+126.9%Added
RTW Investments, LP3,463,201$137.4M2.15%00.0%Unchanged
Polar Capital Holdings Plc3,135,871$124.4M0.86%+709,115+29.2%Added
Vanguard Group Inc3,046,331$120.8M0.00%+427,827+16.3%Added
Kynam Capital Management, LP3,005,904$119.2M13.49%−194,096−6.1%Reduced
Point72 Asset Management, L.P.2,756,122$109.3M0.33%+1,413,722+105.3%Added
Bellevue Group AG2,416,296$95.8M1.47%+516,296+27.2%Added
State Street Corp2,377,326$94.3M0.00%+84,475+3.7%Added
Pictet Asset Management Holding SA2,225,448$88.3M0.10%+374,478+20.2%Added
Marshall Wace, LLP1,280,084$50.8M0.10%+741,765+137.8%Added
Geode Capital Management, LLC1,117,994$44.3M0.00%+117,569+11.8%Added
Redmile Group, LLC993,803$39.4M1.41%−642,135−39.3%Reduced
Rock Springs Capital Management LP969,646$38.5M0.95%+469,545+93.9%Added
Sofinnova Investments, Inc.844,008$33.5M1.88%+419,749+98.9%Added
Eversept Partners, LP754,107$29.9M2.93%+165,964+28.2%Added
Octagon Capital Advisors LP707,526$28.1M4.49%−52,372−6.9%Reduced
Commodore Capital LP701,967$27.8M2.43%−4,698−0.7%Reduced
Morgan Stanley658,365$26.1M0.00%+134,665+25.7%Added
5AM Venture Management, LLC497,270$19.7M5.23%+187,000+60.3%Added
Northern Trust Corp444,805$17.6M0.00%−29,115−6.1%Reduced
Goldman Sachs Group Inc437,759$17.4M0.00%+25,925+6.3%Added
Price T Rowe Associates Inc422,293$16.7M0.00%−45,762−9.8%Reduced
Charles Schwab Investment Management Inc409,391$16.2M0.00%+47,844+13.2%Added
Affinity Asset Advisors, LLC400,000$15.9M3.16%+250,000+166.7%Added
Woodline Partners LP387,652$15.4M0.17%+280,156+260.6%Added
Candriam Luxembourg S.C.A.317,509$12.6M0.09%−5,000−1.6%Reduced
Sphera Funds Management Ltd.315,644$12.5M2.32%+135,644+75.4%Added
Invesco Ltd.257,563$10.2M0.00%+220,428+593.6%Added
TSP Capital Management Group, LLC251,495$9.97M3.46%−200−0.1%Reduced
Baker Bros. Advisors LP247,644$9.82M0.11%+247,644New
Silverarc Capital Management, LLC247,215$9.80M3.02%+247,215New
Dimensional Fund Advisors LP230,471$9.14M0.00%−110,879−32.5%Reduced
Bank of America Corp217,814$8.64M0.00%+5,557+2.6%Added
Ensign Peak Advisors, Inc179,611$7.12M0.01%+87,482+95.0%Added
Walleye Capital LLC169,268$6.71M0.09%+10,275+6.5%Added
Bank of New York Mellon Corp169,139$6.71M0.00%+4,982+3.0%Added
American Century Companies Inc161,051$6.39M0.00%+191+0.1%Added
UBS Group AG158,092$6.27M0.00%+136,897+645.9%Added
Rafferty Asset Management, LLC148,009$5.87M0.02%−16,781−10.2%Reduced
Barclays PLC145,894$5.79M0.00%+2,431+1.7%Added
AXA S.A.142,170$5.64M0.02%−3,439−2.4%Reduced
Laurion Capital Management LP138,531$5.49M0.20%+138,531New
BNP Paribas Arbitrage, SA136,601$5.42M0.01%+44,878+48.9%Added
Schonfeld Strategic Advisors LLC130,542$5.18M0.04%+130,542New
Jane Street Group, LLC128,161$5.08M0.01%+68,747+115.7%Added
Citadel Advisors LLC126,328$5.01M0.01%+120,403+2,032.1%Added
Nuveen Asset Management, LLC121,195$4.81M0.00%+915+0.8%Added
Exome Asset Management LLC111,300$4.41M4.36%+111,300New
Mirador Capital Partners LP107,910$4.28M0.91%+92+0.1%Added
Monashee Investment Management LLC100,209$3.97M0.70%+100,209New
Swiss National Bank97,000$3.85M0.00%+8,700+9.9%Added
Polar Asset Management Partners Inc.94,300$3.74M0.10%−38,100−28.8%Reduced
Rhumbline Advisers76,022$3.02M0.00%−652−0.9%Reduced
JPMorgan Chase & Co75,470$2.99M0.00%+12,793+20.4%Added
Acuta Capital Partners, LLC69,400$2.75M1.55%−52,941−43.3%Reduced
Crestline Management, LP67,243$2.67M0.25%+4,133+6.5%Added
Citigroup Inc62,341$2.47M0.00%−7,014−10.1%Reduced
Kennedy Capital Management, Inc.62,172$2.47M0.05%−25,222−28.9%Reduced
OrbiMed Advisors LLC58,800$2.33M0.05%+58,800New
Alliancebernstein L.P.54,080$2.14M0.00%−39,201−42.0%Reduced
TD Asset Management Inc52,322$2.08M0.00%−12,600−19.4%Reduced
Legal & General Group Plc52,012$2.06M0.00%+11,168+27.3%Added
California State Teachers Retirement System51,474$2.04M0.00%+5,721+12.5%Added
Susquehanna International Group, LLP48,888$1.94M0.00%−8,572−14.9%Reduced
Schroder Investment Management Group48,099$1.91M0.00%+48,099New
Credit Suisse AG47,998$1.90M0.00%+7,209+17.7%Added
SG Americas Securities, LLC46,083$1.83M0.02%−31,928−40.9%Reduced
Qube Research & Technologies Ltd44,968$1.78M0.00%+40,669+946.0%Added
Manufacturers Life Insurance Company, The43,427$1.72M0.00%−6,405−12.9%Reduced
Atom Investors LP40,882$1.62M0.29%+40,882New
State of Wisconsin Investment Board40,518$1.61M0.00%+8,569+26.8%Added
Caption Management, LLC39,700$1.57M0.17%+26,700+205.4%Added
Alps Advisors Inc37,645$1.49M0.01%+2,797+8.0%Added
Twinbeech Capital LP37,177$1.47M0.02%−25,406−40.6%Reduced
Deutsche Bank AG36,315$1.44M0.00%−906−2.4%Reduced
PFM Health Sciences, LP35,000$1.39M0.08%+35,000New
UBS Asset Management Americas Inc34,868$1.38M0.00%00.0%Unchanged
Teachers Retirement System of the State of Kentucky32,697$1.30M0.01%00.0%Unchanged
Trexquant Investment LP31,429$1.25M0.03%+31,429New
Connor, Clark & Lunn Investment Management Ltd.28,538$1.13M0.01%+10,383+57.2%Added
Prelude Capital Management, LLC26,512$1.05M0.09%+26,512New
Mirae Asset Global Investments Co., Ltd.26,258$1.04M0.00%+962+3.8%Added
Janus Henderson Group PLC25,883$1.03M0.00%+8,863+52.1%Added
DekaBank Deutsche Girozentrale25,000$994.0K0.00%+25,000New
Profund Advisors LLC24,486$971.1K0.04%−3,553−12.7%Reduced
Balyasny Asset Management LLC24,119$956.6K0.00%−3,296−12.0%Reduced
MetLife Investment Management24,073$954.7K0.01%00.0%Unchanged
D. E. Shaw & Co., Inc.23,746$941.8K0.00%−13,038−35.4%Reduced
Creative Planning23,205$920.3K0.00%+2,383+11.4%Added
American International Group, Inc.23,094$915.9K0.00%−93−0.4%Reduced
New York State Common Retirement Fund22,116$877.1K0.00%−1,664−7.0%Reduced
Fisher Asset Management, LLC21,812$865.1K0.00%+1,274+6.2%Added
Group One Trading, L.P.21,536$854.1K0.03%+3,780+21.3%Added
Jennison Associates LLC20,078$796.3K0.00%−6,812−25.3%Reduced
Voya Investment Management LLC18,581$736.9K0.00%−26−0.1%Reduced
Squarepoint Ops LLC17,554$696.2K0.00%+17,554New
Royal Bank of Canada14,985$594.0K0.00%+7,217+92.9%Added