# Ro funding: rounds and investors > Ro has raised $235M across 2 rounds since 2019. Investors include FirstMark, General Catalyst and Gaingels. Every round with its source. Source: https://millionrounds.com/company/ro (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Ro* 2 rounds we have observed, with the 6 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 **$235M** raised across 2 rounds since 2019, from 2 sources **$85M** Series B **$150M** Venture - **Latest round:** Venture, $150M Feb 2022 - **Step-up i:** 1.8× - **Investors:** 6 (1 led) 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. 2020 2021 2022 **$85M** Series B **$150M** Venture - **First round:** Series B, $85M - **Biggest round:** $150M - **Between rounds:** 2.8 years ## The rounds - **Feb 2022** Venture **$150M** *5 new* [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Gaingels](https://millionrounds.com/fund/gaingels) [BoxGroup](https://millionrounds.com/fund/boxgroup) [Slow Ventures](https://millionrounds.com/fund/slow-ventures) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) Source recorded - **Apr 2019** Series B **$85M** *1 new* [FirstMark](https://millionrounds.com/fund/firstmark) Lead Reported by TechCrunch ## 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 **Venture** 2022 [FirstMark](https://millionrounds.com/fund/firstmark) L [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Gaingels](https://millionrounds.com/fund/gaingels) [BoxGroup](https://millionrounds.com/fund/boxgroup) [Slow Ventures](https://millionrounds.com/fund/slow-ventures) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) ## Everyone who backed them [FirstMark](https://millionrounds.com/fund/firstmark) VC firm **1** round, led 1 [General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round [BoxGroup](https://millionrounds.com/fund/boxgroup) VC firm **1** round [Slow Ventures](https://millionrounds.com/fund/slow-ventures) VC firm **1** round [Quiet Capital](https://millionrounds.com/fund/quiet-capital) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ro). ## Also claim to have backed them These 9 firms list Ro as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [TQ Ventures](https://millionrounds.com/fund/tq-ventures) VC firm 2018, per its site [Oceans](https://millionrounds.com/fund/oceans) VC firm Per its own site [B&Y Venture Partners](https://millionrounds.com/fund/b-and-y-venture-partners) VC firm Per its own site [Ansa Capital](https://millionrounds.com/fund/ansa-capital) VC firm Per its own site [Leonis Capital](https://millionrounds.com/fund/leonis-capital) VC firm Per its own site [Julia DeWahl](https://millionrounds.com/fund/julia-dewahl) VC firm Per its own site [Ambush Capital](https://millionrounds.com/fund/ambush-capital) Angel network Per its own site [Blue 9 Capital](https://millionrounds.com/fund/blue-9-capital) Family office Per its own site [RM Venture Partners](https://millionrounds.com/fund/rm-venture-partners) VC firm Per its own site ## Quick answers about Ro ### Who invested in Ro? Ro's investors include FirstMark, General Catalyst, Gaingels, BoxGroup and Slow Ventures, and 1 more on record. ### How much has Ro raised? Ro has raised $235M across 2 rounds since 2019. ### When did Ro last raise? Ro's most recent round was a Venture of $150M in Feb 2022. ### What was Ro's biggest round? Its most recent round, $150M in Feb 2022, is also its largest on record. ### Who backed Ro first? Ro's first round on record, in Apr 2019, was backed by FirstMark. ### What stage is Ro at? Ro's latest named round is a Venture, in Feb 2022. ### Where is Ro based? Ro is based in the United States. ### Who led Ro's rounds? FirstMark led the Series B in 2019. ## Companies like Ro 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