Beeline Medicines closes upsized Series A financing

1 July 2026

US clinical-stage biotech Beeline Medicines has announced the closing of a $126.3 million Series A extension, bringing its total Series A financing round to $426.3 million.

The funding came from existing shareholders and investors, including Bain Capital, Canada Pension Plan Investment Board (CPP Investments), and Bristol Myers Squibb (NYSE: BMY), and included participation from certain members of the company’s management team. The proceeds from the upsized Series A will support the initiation of several clinical studies across the Company’s broad immunology portfolio, including planned pivotal development of its lead program, afimetoran, in lupus.

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