# OpenTrons funding: rounds and investors > OpenTrons has raised $30M across 6 rounds since 2014. Investors include SOSV, Y Combinator and Khosla Ventures. Every round with its source. Source: https://millionrounds.com/company/opentrons (Millionrounds; every figure on the page links to its filing or article) United States · [Series D startup](https://millionrounds.com/companies) # Who invested in *OpenTrons* 6 rounds we have observed, with the 11 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 Raised 11 months ago Valuation: $1.8B, Mar 2026 Y Combinator: W16 Funding summary Updated 26 Oct 2026 **$30M** raised across 6 rounds since 2014, from 6 sources **$25K** Seed **$10M** Seed **$20M** Series D - **Latest round:** Series D, $20M Dec 2025 - **Step-up i:** 2× - **Investors:** 11 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. 2014 2016 2018 2020 2022 2024 **$25K** Seed **?** Round **?** Venture **$10M** Seed **$20M** Series D - **First round:** Seed, $25K - **Biggest round:** $20M - **Usual gap between rounds:** 11 months ## The rounds - **Dec 2025** Series D **$20M** *6 new* *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [SOSV](https://millionrounds.com/fund/sosv) [Lerer Hippeau](https://millionrounds.com/fund/lerer-hippeau) [SoftBank](https://millionrounds.com/fund/softbank-2) [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) Source recorded - **Mar 2018** Seed **$10M** *3 new* [Y Combinator Continuity](https://millionrounds.com/fund/y-combinator-continuity) Jeff Kindler Khosla Ventures/ Lerer Hippeau Reported by FinSMEs - **Oct 2015** Venture **Amount undisclosed** No investor was named in the report. From a historical funding record - **Nov 2014** Venture **Amount undisclosed** No investor was named in the report. From a historical funding record - **Sept 2014** Round **Amount undisclosed** *1 new* [SOSV](https://millionrounds.com/fund/sosv) From a historical funding record - **Jul 2014** Seed **$25K** *1 new* [HAXLR8R](https://millionrounds.com/fund/haxlr8r) From a historical funding record ## Founders and team From OpenTrons's own website: 5 on the team. - **James Atwood** CEO - **Boris Mindzak** VP Legal - **Censia Pottorf** Global Head of HR - **Gavin Bogart** VP Finance - **Greg Cole** VP Engineering ## 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. **Seed** 2014 **Round** 2014 **Venture** 2014 **Venture** 2015 **Seed** 2018 **Series D** 2025 [SOSV](https://millionrounds.com/fund/sosv) [Y Combinator](https://millionrounds.com/fund/y-combinator) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Lerer Hippeau](https://millionrounds.com/fund/lerer-hippeau) [SoftBank](https://millionrounds.com/fund/softbank-2) [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) [HAXLR8R](https://millionrounds.com/fund/haxlr8r) [Y Combinator Continuity](https://millionrounds.com/fund/y-combinator-continuity) Jeff Kindler ## Everyone who backed them [SOSV](https://millionrounds.com/fund/sosv) VC firm **2** rounds [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **1** round [Lerer Hippeau](https://millionrounds.com/fund/lerer-hippeau) VC firm **1** round [SoftBank](https://millionrounds.com/fund/softbank-2) Investment firm **1** round [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) VC firm **1** round [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) VC firm **1** round [HAXLR8R](https://millionrounds.com/fund/haxlr8r) VC firm **1** round [Y Combinator Continuity](https://millionrounds.com/fund/y-combinator-continuity) VC firm **1** round Jeff Kindler no record of our own yet **1** round Khosla Ventures/ Lerer Hippeau 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=opentrons). ## Also claim to have backed them These 6 firms list OpenTrons 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. [TSVC](https://millionrounds.com/fund/tsv-capital) VC firm Per its own site [TGM ventures](https://millionrounds.com/fund/tgm) Angel network Per its own site [BroadOak Capital Partners](https://millionrounds.com/fund/broadoak-capital-partners) VC firm Per its own site [MBX Capital](https://millionrounds.com/fund/mbx-capital) VC firm Per its own site [Future Ventures](https://millionrounds.com/fund/future-ventures) VC firm Per its own site [Mount Pleasant Ventures](https://millionrounds.com/fund/mount-pleasant-ventures) Angel network Per its own site ## Quick answers about OpenTrons ### Who invested in OpenTrons? OpenTrons's investors include SOSV, Y Combinator, Khosla Ventures, Lerer Hippeau and SoftBank, and 6 more on record. ### How much has OpenTrons raised? OpenTrons has raised $30M across 6 rounds since 2014. 3 rounds did not disclose an amount, so the total is a floor. ### When did OpenTrons last raise? OpenTrons's most recent round was a Series D of $20M in Dec 2025. ### What was OpenTrons's biggest round? Its most recent round, $20M in Dec 2025, is also its largest on record. ### Who backed OpenTrons first? OpenTrons's first round on record, in Jul 2014, was backed by HAXLR8R. ### What stage is OpenTrons at? OpenTrons's latest named round is a Series D, in Dec 2025. ### Where is OpenTrons based? OpenTrons is based in the United States. ## Companies like OpenTrons 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)[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika) ## 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