# Atom funding: rounds and investors > Atom has raised $22M across 4 rounds since 2015. Investors include Techstars, National Science Foundation and Mitsubishi UFJ Capital. Source: https://millionrounds.com/company/atom (Millionrounds; every figure on the page links to its filing or article) Japan · [Seed startup](https://millionrounds.com/companies) # Who invested in *Atom* 4 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 Generative AI Raised 6 months ago Funding summary Updated 26 Oct 2026 **$22M** raised across 4 rounds since 2015, from 4 sources **$3.4M** Seed **$19M** Seed - **Latest round:** Seed, $19M May 2026 - **Step-up i:** 5.5× - **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. 2015 2017 2019 2021 2023 2025 **?** Venture **$3.4M** Seed **?** Venture **$19M** Seed - **First round:** Venture - **Biggest round:** $19M - **Usual gap between rounds:** 3.4 years ## The rounds - **May 2026** Seed **$19M** *5 new* [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) [ANRI](https://millionrounds.com/fund/anri) [JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) [Beyond Next Ventures](https://millionrounds.com/fund/beyond-next-ventures-inc) Source recorded - **Dec 2022** Venture **Amount undisclosed** *3 new* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Village Global](https://millionrounds.com/fund/village-global-2) [Meyer Global](https://millionrounds.com/fund/meyer-global) Source recorded - **Sept 2021** Seed **$3.4M** *2 new* [Techstars](https://millionrounds.com/fund/techstars) [Mucker Capital](https://millionrounds.com/fund/mucker-capital) Source recorded - **Feb 2015** Venture **Amount undisclosed** *1 new* [M12](https://millionrounds.com/fund/m12) From a historical funding record ## Founders and team From Atom's own website: 2 founders. **Tyler Hayes** Co-founder, CEO Learn more **Eric Monsef** Co-founder, CTO Learn more ## 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. **Venture** 2015 **Seed** 2021 **Venture** 2022 **Seed** 2026 [Techstars](https://millionrounds.com/fund/techstars) [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) [M12](https://millionrounds.com/fund/m12) [Village Global](https://millionrounds.com/fund/village-global-2) [Mucker Capital](https://millionrounds.com/fund/mucker-capital) [ANRI](https://millionrounds.com/fund/anri) [JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) [Beyond Next Ventures](https://millionrounds.com/fund/beyond-next-ventures-inc) ## Everyone who backed them [Techstars](https://millionrounds.com/fund/techstars) VC firm **1** round [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) VC firm **1** round [SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) Investment bank **1** round [M12](https://millionrounds.com/fund/m12) Corporate VC **1** round [Village Global](https://millionrounds.com/fund/village-global-2) VC firm **1** round [Mucker Capital](https://millionrounds.com/fund/mucker-capital) VC firm **1** round [ANRI](https://millionrounds.com/fund/anri) VC firm **1** round [JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) VC firm **1** round [Beyond Next Ventures](https://millionrounds.com/fund/beyond-next-ventures-inc) Accelerator **1** round [Meyer Global](https://millionrounds.com/fund/meyer-global) Investment firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=atom). ## Also claim to have backed them This firm lists Atom as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [CM Ventures](https://millionrounds.com/fund/cm-ventures) VC firm Per its own site ## Quick answers about Atom ### Who invested in Atom? Atom's investors include Techstars, National Science Foundation, Mitsubishi UFJ Capital, SMBC Venture Capital and M12, and 6 more on record. ### How much has Atom raised? Atom has raised $22M across 4 rounds since 2015. 2 rounds did not disclose an amount, so the total is a floor. ### When did Atom last raise? Atom's most recent round was a Seed of $19M in May 2026. ### What was Atom's biggest round? Its most recent round, $19M in May 2026, is also its largest on record. ### Who backed Atom first? Atom's first round on record, in Feb 2015, was backed by M12. ### What stage is Atom at? Atom's latest named round is a Seed, in May 2026. ### Where is Atom based? Atom is based in Japan. ## Companies like Atom In the same sector, and raised in the last eighteen months. [**Kaminashi** $14M · Oct 2026](https://millionrounds.com/company/kaminashi)[**Mujin, Inc.** $224M · Oct 2026](https://millionrounds.com/company/mujin-inc)[**Flyle** $13M · Oct 2026](https://millionrounds.com/company/flyle)[**Farmnote** $12M · Oct 2026](https://millionrounds.com/company/farmnote)[**PeopleX** $39M · Sept 2026](https://millionrounds.com/company/peoplex)[**AIONA** $1.2M · Sept 2026](https://millionrounds.com/company/aiona) ## 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