Anthos Therapeutics Acquired by Novartis in Landmark $3.1B Deal
Deal News | Apr 03, 2025 | Blackstone

Blackstone Life Sciences and Anthos Therapeutics, a clinical-stage biopharmaceutical company, announced the completion of Novartis's acquisition of Anthos for up to $3.1 billion. Anthos was established by Blackstone and Novartis in 2019, focusing on developing abelacimab, a novel Factor XI inhibitor. The drug is undergoing Phase 3 trials for various conditions including stroke prevention and cancer-associated thrombosis. The deal involves a $925 million upfront payment and contingent milestone payments. Goldman Sachs and Morgan Stanley acted as financial advisors for Anthos, while Goodwin Procter provided legal advice. Blackstone Life Sciences, which aims to bridge the gap between medical innovations and market, holds $12 billion in assets under management. Abelacimab, a monoclonal antibody, received FDA Fast Track Designations in 2022 for treating thrombosis and stroke prevention in atrial fibrillation patients.
Sectors
- Biopharmaceuticals
- Private Equity
Geography
- United States – The article is centered on Cambridge, Massachusetts-based Anthos Therapeutics and Blackstone Life Sciences.
Industry
- Biopharmaceuticals – The article involves Anthos Therapeutics, a clinical-stage biopharmaceutical company focusing on developing therapies for cardiometabolic diseases.
- Private Equity – Blackstone Life Sciences, a private equity firm, played a significant role as the majority investor in Anthos Therapeutics.
Financials
- 3.1 billion – The total value of the acquisition deal between Novartis and Anthos Therapeutics.
- 925 million – The upfront payment made by Novartis to acquire Anthos Therapeutics.
- 12 billion – Assets under management by Blackstone Life Sciences.
Participants
Name | Role | Type | Description |
---|---|---|---|
Anthos Therapeutics | Target Company | Company | A clinical-stage biopharmaceutical company focused on developing innovative therapies for cardiometabolic diseases. |
Novartis | Bidding Company | Company | A global healthcare company based in Switzerland, acquiring Anthos Therapeutics to enhance its cardiometabolic portfolio. |
Blackstone Life Sciences | Private Equity Firm | Company | An investment platform that supported the creation and growth of Anthos Therapeutics. |
Goldman Sachs & Co. LLC | Financial Advisor | Company | Acted as the lead financial advisor to Anthos Therapeutics in the acquisition deal. |
Morgan Stanley & Co. LLC | Financial Advisor | Company | Served as a financial advisor to Anthos Therapeutics alongside Goldman Sachs. |
Goodwin Procter LLP | Legal Advisor | Company | Provided legal advisory services to Anthos Therapeutics in the acquisition. |
Novo Holdings | Investor | Company | Joined Blackstone Life Sciences as an investor in Anthos Therapeutics. |