
Ataraxis delivers AI-driven diagnostic tests that help clinicians choose more effective, personalized cancer treatments. The company uses foundation models and machine learning on multi-modal patient data, including digital pathology, to generate prognostic and predictive assessments; its flagship product, Ataraxis Breast, is an AI-native prognostic test clinically validated on extensive patient data. Offered as a SaaS platform for healthcare providers, Ataraxis integrates AI, digital pathology workflows, and clinical decision support for treatment selection. The technology targets oncology care pathways and aims to improve accuracy and speed compared with standard genomic assays.

Ataraxis delivers AI-driven diagnostic tests that help clinicians choose more effective, personalized cancer treatments. The company uses foundation models and machine learning on multi-modal patient data, including digital pathology, to generate prognostic and predictive assessments; its flagship product, Ataraxis Breast, is an AI-native prognostic test clinically validated on extensive patient data. Offered as a SaaS platform for healthcare providers, Ataraxis integrates AI, digital pathology workflows, and clinical decision support for treatment selection. The technology targets oncology care pathways and aims to improve accuracy and speed compared with standard genomic assays.
What they do: AI-driven diagnostic tests and foundation models for cancer to support treatment selection
Flagship product: Ataraxis Breast (AI-native prognostic/predictive test)
Founded: 2023 (spun out of New York University)
HQ: New York, New York
Recent round: Series A $20.4M (March 2025) led by AIX Ventures
Oncology diagnostics and precision medicine
2023
Biotechnology
Seed round announced Oct 31, 2024
20400000
Series A $20.4M announced March 5, 2025
“AIX Ventures led the Series A with participation from Thiel Bio, Founders Fund, Floating Point, Bertelsmann Investments, Giant Ventures, Obvious Ventures, and individual/backing from Mario Schlosser and Ryan Fukushima”