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Compare · CLDX vs IDXX

CLDX vs IDXX

Side-by-side comparison of Celldex Therapeutics Inc. (CLDX) and IDEXX Laboratories Inc. (IDXX): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both CLDX and IDXX operate in Biotechnology: In Vitro & In Vivo Diagnostic Substances (Health Care), so they compete in similar markets.
  • IDXX is the larger of the two at $43.45B, about 19.2x CLDX ($2.27B).
  • Over the past year, CLDX is up 48.9% and IDXX is up 6.5% - CLDX leads by 42.4 points.
  • IDXX has been more active in the news (22 items in the past 4 weeks vs 1 for CLDX).
  • IDXX has more recent analyst coverage (23 ratings vs 21 for CLDX).
PerformanceCLDX+48.94%IDXX+6.50%
2025-06-03+0.00%2026-06-03
MetricCLDXIDXX
Company
Celldex Therapeutics Inc.
IDEXX Laboratories Inc.
Price
$29.63+2.40%
$560.03+1.73%
Market cap
$2.27B
$43.45B
1M return
-9.50%
-0.46%
1Y return
+48.94%
+6.50%
Industry
Biotechnology: In Vitro & In Vivo Diagnostic Substances
Biotechnology: In Vitro & In Vivo Diagnostic Substances
Exchange
NASDAQ
NASDAQ
IPO
1991
News (4w)
1
22
Recent ratings
21
23
CLDX

Celldex Therapeutics Inc.

Celldex Therapeutics, Inc., a biopharmaceutical company, engages in developing therapeutic monoclonal and bispecific antibodies for the treatment of various diseases. Its drug candidates include antibody-based therapeutics to treat patients with inflammatory diseases and various forms of cancer. The company's clinical development programs CDX-0159, a Phase I monoclonal antibody that binds the receptor tyrosine kinase KIT and inhibits its activity; CDX-1140, a human agonist monoclonal antibody targeted to CD40, a key activator of immune response, which is found on dendritic cells, macrophages, and B cells, as well as is expressed on various cancer cells; and CDX-527, a bispecific antibody, which uses the company's proprietary active anti-PD-L1 and CD27 human antibodies to couple CD27 costimulation with blockade of the PD-L1/PD-1 pathway to help prime and activate anti-tumor T cell responses through CD27 costimulation. Celldex Therapeutics, Inc. has research collaboration and license agreements with University of Southampton to develop human antibodies towards CD27; Amgen Inc. with exclusive rights to CDX-301 and CD40 ligand; and Yale University. The company was incorporated in 1983 and is headquartered in Hampton, New Jersey.

IDXX

IDEXX Laboratories Inc.

IDEXX Laboratories, Inc. develops, manufactures, and distributes products and services primarily for the companion animal veterinary, livestock and poultry, dairy, and water testing markets worldwide. The company operates through CAG; Water Quality Products; Livestock, Poultry and Dairy; and Other segments. It provides point-of-care veterinary diagnostic products, including instruments, consumables, and rapid assay test kits; veterinary reference laboratory diagnostic and consulting services; practice management and diagnostic imaging systems and services for veterinarians; and health monitoring, biological materials testing, and laboratory animal diagnostic instruments and services for biomedical research community. The company also offers diagnostic and health-monitoring products for livestock, poultry, and dairy; products that test water for various microbiological contaminants; and point-of-care electrolytes and blood gas analyzers and SARS-CoV-2 RT-PCR that are used in the human point-of-care medical diagnostics market; in-clinic chemistry, blood and urine chemistry, hematology, and SediVue Dx analyzers; SNAP rapid assays test kits. In addition, it provides Colilert, Colilert-18, and Colisure tests, which detect the presence of total coliforms and E. coli in water; Enterolert, Pseudalert, Filta-Max and Filta-Max xpress, Legiolert, and Quanti-Tray products; veterinary software and services for independent veterinary clinics and corporate groups. The company markets its products through marketing, customer service, sales, and technical service groups, as well as through independent distributors and other resellers. IDEXX Laboratories, Inc. was incorporated in 1983 and is headquartered in Westbrook, Maine.

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