Capstan Therapeutics, Inc., a biotechnology company dedicated to developing and delivering precise in vivo cell engineering to patients, launched with $165 million in financing.

Capstan's funding includes a recently closed $102 million Series A financing led by Pfizer Ventures and joined by Leaps by Bayer, Eli Lilly and Company, Bristol Myers Squibb, Polaris Partners, Alexandria Venture Investments, and all existing investors, which follows a $63 million seed financing led by Novartis Venture Fund and OrbiMed and joined by RA Capital, and Vida Ventures in November 2021.