Kailera Therapeutics, a clinical-stage biopharmaceutical company focused on advancing a differentiated, late-stage portfolio of next-generation therapies for the treatment of obesity, announced a $600 million Series B financing led by new investor Bain Capital Private Equity. The financing will be fully funded at closing and will support the advancement of Kailera's leading obesity portfolio, including a global Phase 3 clinical program of Kailera's lead candidate KAI-9531, an injectable dual GLP-1/GIP receptor agonist with potentially best-in-category weight loss.

Additional new investors in the Series B round comprise leading mutual funds and investors, including Adage Capital Management LP, Canada Pension Plan Investment Board (CPP Investments), Invus, Janus Henderson Investors, Perseverance Capital, Qatar Investment Authority (QIA), Royalty Pharma, Surveyor Capital (a Citadel company), accounts advised by T. Rowe Price Associates, Inc., and an undisclosed large mutual fund. Kailera's existing investors, Atlas Venture, Bain Capital Life Sciences, RTW Investments, and Sirona Capital, also participated in the round.