# Keros Therapeutics funding: rounds and investors > Keros Therapeutics has raised $163M across 2 rounds since 2019. Investors include Venrock, OrbiMed and Foresite Capital. Every round with its source. Source: https://millionrounds.com/company/keros-therapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Keros Therapeutics* 2 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Biotech Healthcare Funding summary Updated 26 Oct 2026 **$163M** raised across 2 rounds since 2019, from 2 sources **$23M** Series B **$140M** Round - **Latest round:** Round, $140M Jan 2024 - **Step-up i:** 6.1× - **Investors:** 8 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2019 2020 2021 2022 2023 2024 **$23M** Series B **$140M** Round - **First round:** Series B, $23M - **Biggest round:** $140M - **Between rounds:** 5 years ## The rounds - **Jan 2024** Round **$140M** *3 new* [Venrock](https://millionrounds.com/fund/venrock) [OrbiMed](https://millionrounds.com/fund/orbimed) [Foresite Capital](https://millionrounds.com/fund/forsite-capital) Source recorded - **Jan 2019** Series B **$23M** *5 new* [Arkin Bio](https://millionrounds.com/fund/arkin-bio) Global Health Sciences Fund Medison Pharma Partners Innovation Pontifax Reported by FinSMEs SEC filing: $11M sold, first sale Nov 2018 ## Founders and team From the SEC filings it signed: 4 on the team. - **Claudia Ordonez** Executive Officer i - **Jasbir Seehra** Executive Officer, Director i - **Jenn Lachey** Executive Officer i - **Keith Regnante** Executive Officer i On the board, as filed i *Alon Lazarus* *Carl Gordon* *Julius Knowles* *Nima Farzan* *Ran Nussbaum* *Zafrira Avnur* ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series B** 2019 **Round** 2024 [Venrock](https://millionrounds.com/fund/venrock) [OrbiMed](https://millionrounds.com/fund/orbimed) [Foresite Capital](https://millionrounds.com/fund/forsite-capital) [Arkin Bio](https://millionrounds.com/fund/arkin-bio) Global Health Sciences Fund Medison Pharma Partners Innovation Pontifax ## Everyone who backed them [Venrock](https://millionrounds.com/fund/venrock) VC firm **1** round [OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **1** round [Foresite Capital](https://millionrounds.com/fund/forsite-capital) Private equity **1** round [Arkin Bio](https://millionrounds.com/fund/arkin-bio) Investment firm **1** round Global Health Sciences Fund no record of our own yet **1** round Medison Pharma no record of our own yet **1** round Partners Innovation no record of our own yet **1** round Pontifax no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=keros-therapeutics). ## Quick answers about Keros Therapeutics ### Who invested in Keros Therapeutics? Keros Therapeutics's investors include Venrock, OrbiMed, Foresite Capital, Arkin Bio and Global Health Sciences Fund, and 3 more on record. ### How much has Keros Therapeutics raised? Keros Therapeutics has raised $163M across 2 rounds since 2019. ### When did Keros Therapeutics last raise? Keros Therapeutics's most recent round was an Undisclosed round of $140M in Jan 2024. ### What was Keros Therapeutics's biggest round? Its most recent round, $140M in Jan 2024, is also its largest on record. ### Who backed Keros Therapeutics first? Keros Therapeutics's first round on record, in Jan 2019, was backed by Arkin Bio, Global Health Sciences Fund and Medison Pharma and 2 others. ### What stage is Keros Therapeutics at? Keros Therapeutics's latest named round is an Undisclosed round, in Jan 2024. ### Where is Keros Therapeutics based? Keros Therapeutics is based in the United States. ## Companies like Keros Therapeutics In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app