biotech.today

Details

  • Modalities: radiopharmaceuticals (actinium-225 targeted alpha therapy)
  • Therapeutic areas: oncology
  • Key targets: SSTR2 (somatostatin receptor 2), PSMA, DLL3, GPC3
  • Indications: gastroenteropancreatic neuroendocrine tumors, small cell lung cancer, metastatic castration-resistant prostate cancer, hepatocellular carcinoma
  • Funding: $4.1B (acquisition by BMS, 2024)

Partners & investors

  • Bristol Myers Squibb (acquirer)· Investor
  • Column Group (pre-acquisition)· Investor
  • Venrock (pre-acquisition)· Investor
  • RA Capital Management (pre-acquisition)· Investor

Key considerations

  • AI tools in use: Proprietary Ac-225 manufacturing platform, Chelator chemistry optimization, Dosimetry modeling for alpha emitters
  • Differentiated actinium-225 platform (vs lutetium-177 competitors)
  • Built state-of-the-art radiopharmaceutical manufacturing capabilities
  • IND engine designed for rapid generation of new radioligand candidates

Pipeline

  • Preclinical1
  • Phase 11
  • Phase 31
Get live updates on RayzeBio’s hiring, filings, and partnerships. Follow in BT Pro →
Source: Company website, SEC / Companies House filings, press releases, Crunchbase · biotech.today analysis (Apr 2026)

Key people

Kenneth Song

Founder & former CEO

radiopharmaceuticalsnuclear medicineoncology

Simon Lowry

Head of Radiopharmaceutical Development (BMS)

radioligand therapyclinical oncologytargeted alpha therapy
Visit website →LinkedIn →