# NeuroGastrx funding: rounds and investors > NeuroGastrx has raised $105M across 2 rounds since 2017. Investors include OrbiMed, 5AM Ventures and Vivo Capital. Every round with its source. Source: https://millionrounds.com/company/neurogastrx (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *NeuroGastrx* 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 **$105M** raised across 2 rounds since 2017, from 2 sources **$45M** Series A **$60M** Series B - **Latest round:** Series B, $60M Aug 2021 - **Step-up i:** 1.3× - **Investors:** 6 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. 2017 2018 2019 2020 2021 **$45M** Series A **$60M** Series B - **First round:** Series A, $45M - **Biggest round:** $60M - **Between rounds:** 4.6 years ## The rounds - **Aug 2021** Series B **$60M** *3 new* *2 returning* [OrbiMed](https://millionrounds.com/fund/orbimed) [5AM Ventures](https://millionrounds.com/fund/5am-ventures) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [RTW Investments LLC](https://millionrounds.com/fund/rtw-investments-lp) Source recorded SEC filing: $60M sold, first sale Jun 2021 - **Jan 2017** Series A **$45M** *3 new* [OrbiMed](https://millionrounds.com/fund/orbimed) [5AM Ventures](https://millionrounds.com/fund/5am-ventures) [venBio Partners](https://millionrounds.com/fund/venbio) Reported by FinSMEs ## 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 A** 2017 **Series B** 2021 [OrbiMed](https://millionrounds.com/fund/orbimed) [5AM Ventures](https://millionrounds.com/fund/5am-ventures) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [RTW Investments LLC](https://millionrounds.com/fund/rtw-investments-lp) [venBio Partners](https://millionrounds.com/fund/venbio) ## Everyone who backed them [OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **2** rounds [5AM Ventures](https://millionrounds.com/fund/5am-ventures) VC firm **2** rounds [Vivo Capital](https://millionrounds.com/fund/vivo-capital) Private equity **1** round [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) VC firm **1** round [RTW Investments LLC](https://millionrounds.com/fund/rtw-investments-lp) Growth equity **1** round [venBio Partners](https://millionrounds.com/fund/venbio) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=neurogastrx). ## Quick answers about NeuroGastrx ### Who invested in NeuroGastrx? NeuroGastrx's investors include OrbiMed, 5AM Ventures, Vivo Capital, Samsara BioCapital and RTW Investments LLC, and 1 more on record. ### How much has NeuroGastrx raised? NeuroGastrx has raised $105M across 2 rounds since 2017. ### When did NeuroGastrx last raise? NeuroGastrx's most recent round was a Series B of $60M in Aug 2021. ### What was NeuroGastrx's biggest round? Its most recent round, $60M in Aug 2021, is also its largest on record. ### Who backed NeuroGastrx first? NeuroGastrx's first round on record, in Jan 2017, was backed by OrbiMed, 5AM Ventures and venBio Partners. ### What stage is NeuroGastrx at? NeuroGastrx's latest named round is a Series B, in Aug 2021. ### Where is NeuroGastrx based? NeuroGastrx is based in the United States. ## Companies like NeuroGastrx 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