# Promaxo funding: rounds and investors > Promaxo has raised $106M across 3 rounds since 2017. Investors include New Science Venture, Amara Ventures and Almond Tree. Every round with its source. Source: https://millionrounds.com/company/promaxo (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Promaxo* 3 rounds we have observed, with the 5 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. AI Biotech Healthcare Medical Devices Raised this month Funding summary Updated 26 Oct 2026 **$106M** raised across 3 rounds since 2017, from 4 sources **$3.5M** Series A **$2.2M** Series A **$100M** Series C - **Latest round:** Series C, $100M Oct 2026 - **Step-up i:** 45.5× - **Investors:** 5 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 2021 2023 2025 **$3.5M** Series A **$2.2M** Series A **$100M** Series C - **First round:** Series A, $3.5M - **Biggest round:** $100M - **Usual gap between rounds:** 8.5 years ## The rounds - **Oct 2026** Series C **$100M** *2 new* [New Science Venture](https://millionrounds.com/fund/new-science-ventures) [Amara Ventures](https://millionrounds.com/fund/amara-ventures) Reported by Google News search and 1 other - **Apr 2018** Series A **$2.2M** *2 new* Almond Tree MicroPort Scientific Corporation/ RocSon Medtech Fund Reported by FinSMEs - **Sept 2017** Series A **$3.5M** *1 new* MicroPort Scientific Corporation Reported by FinSMEs SEC filing: $3.8M sold, first sale Sept 2017 ## Founders and team From Promaxo's own website: 4 on the team. - **Amit Vohra** CEO - **Ram Narayanan** CTO - **Srirama Venkataraman** COO - **Michael Bartholomew** Secretary of the Board ## 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 A** 2018 **Series C** 2026 [New Science Venture](https://millionrounds.com/fund/new-science-ventures) [Amara Ventures](https://millionrounds.com/fund/amara-ventures) Almond Tree MicroPort Scientific Corporation MicroPort Scientific Corporation/ RocSon Medtech Fund ## Everyone who backed them [New Science Venture](https://millionrounds.com/fund/new-science-ventures) VC firm **1** round [Amara Ventures](https://millionrounds.com/fund/amara-ventures) VC firm **1** round Almond Tree no record of our own yet **1** round MicroPort Scientific Corporation no record of our own yet **1** round MicroPort Scientific Corporation/ RocSon Medtech Fund 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=promaxo). ## Also claim to have backed them These 9 firms list Promaxo 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. [Band of Angels](https://millionrounds.com/fund/band-of-angels) Angel network Per its own site [Spark Growth Ventures](https://millionrounds.com/fund/spark-growth-ventures) VC firm Per its own site [Angel Physicians Fund](https://millionrounds.com/fund/angel-physicians-fund) Private equity Per its own site [Frontier Path Venture Capital](https://millionrounds.com/fund/frontier-path-venture-capital) Family office Per its own site [Gremes](https://millionrounds.com/fund/gremes) Family office Per its own site [K2X Capital](https://millionrounds.com/fund/k2x-capital) VC firm Per its own site [Kineticos Ventures](https://millionrounds.com/fund/kineticos-ventures) Corporate VC Per its own site [Warren Point Capital](https://millionrounds.com/fund/warren-point-capital) VC firm Per its own site [iO life ventures](https://millionrounds.com/fund/io-life-ventures) VC firm Per its own site ## Quick answers about Promaxo ### Who invested in Promaxo? Promaxo's investors include New Science Venture, Amara Ventures, Almond Tree, MicroPort Scientific Corporation and MicroPort Scientific Corporation/ RocSon Medtech Fund. ### How much has Promaxo raised? Promaxo has raised $106M across 3 rounds since 2017. ### When did Promaxo last raise? Promaxo's most recent round was a Series C of $100M in Oct 2026. ### What was Promaxo's biggest round? Its most recent round, $100M in Oct 2026, is also its largest on record. ### Who backed Promaxo first? Promaxo's first round on record, in Sept 2017, was backed by MicroPort Scientific Corporation. ### What stage is Promaxo at? Promaxo's latest named round is a Series C, in Oct 2026. ### Where is Promaxo based? Promaxo is based in the United States. ## Companies like Promaxo In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics) ## 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