Kailera Therapeutics

Raised $600M in a Series B round, announced 14 October 2025.

Total raised: $600M

Latest round Series BCountry United StatesSector Health

Round

$600MSeries B, 14 October 2025

Fund a global Phase 3 program for KAI-9531

Amount: $600M
Stage: Series B
Announced: 14 October 2025
Lead: Bain Capital Private Equity
Other investors: Adage Capital, CPP Investments, Invus, Janus Henderson, Atlas Venture, RTW Investments
Use of funds: Fund a global Phase 3 program for KAI-9531
Checked: Announced by the company
Sources: Kailera Therapeutics raises $600M Series B (date approx) baincapital.com
Kailera Therapeutics raises $600M Series B (date approx) tryfundable.ai

Company

Develops injectable and oral GLP-1/GIP obesity drug KAI-9531

Based in: San Diego, United States
Sector: Health
Website: kailera.com ↗

Questions

How much has Kailera Therapeutics raised?

Kailera Therapeutics raised $600M in a Series B round, announced on 14 October 2025.

Who invested in Kailera Therapeutics?

Bain Capital Private Equity led. Investors include Bain Capital Private Equity, Adage Capital, CPP Investments, Invus, Janus Henderson and Atlas Venture.