# Atomic Industries funding: rounds and investors > Atomic Industries has raised $42M across 2 rounds since 2023. Investors include Y Combinator, 8VC and Toyota Ventures. Every round with its source. Source: https://millionrounds.com/company/atomic-industries (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Atomic Industries* 2 rounds we have observed, with the 4 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 Y Combinator: W21 Funding summary Updated 26 Oct 2026 **$42M** raised across 2 rounds since 2023, from 2 sources **$17M** Seed **$25M** Series A - **Latest round:** Series A, $25M Jun 2025 - **Step-up i:** 1.5× - **Investors:** 4 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. 2024 2025 **$17M** Seed **$25M** Series A - **First round:** Seed, $17M - **Biggest round:** $25M - **Between rounds:** 18 months ## The rounds - **Jun 2025** Series A **$25M** *1 new* *3 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Gaingels](https://millionrounds.com/fund/gaingels) [8VC](https://millionrounds.com/fund/8vc) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) Source recorded - **Dec 2023** Seed **$17M** *3 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [8VC](https://millionrounds.com/fund/8vc) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) Source recorded ## 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** 2023 **Series A** 2025 [Y Combinator](https://millionrounds.com/fund/y-combinator) [8VC](https://millionrounds.com/fund/8vc) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) [Gaingels](https://millionrounds.com/fund/gaingels) ## Everyone who backed them [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds [8VC](https://millionrounds.com/fund/8vc) VC firm **2** rounds [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) VC firm **2** rounds [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=atomic-industries). ## Also claim to have backed them These 2 firms list Atomic Industries 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. [MaC Venture Capital](https://millionrounds.com/fund/mac-venture-capital) VC firm Per its own site [Earthrise Ventures](https://millionrounds.com/fund/earthrise-ventures) VC firm Per its own site ## Quick answers about Atomic Industries ### Who invested in Atomic Industries? Atomic Industries's investors include Y Combinator, 8VC, Toyota Ventures and Gaingels. ### How much has Atomic Industries raised? Atomic Industries has raised $42M across 2 rounds since 2023. ### When did Atomic Industries last raise? Atomic Industries's most recent round was a Series A of $25M in Jun 2025. ### What was Atomic Industries's biggest round? Its most recent round, $25M in Jun 2025, is also its largest on record. ### Who backed Atomic Industries first? Atomic Industries's first round on record, in Dec 2023, was backed by Y Combinator, 8VC and Toyota Ventures. ### What stage is Atomic Industries at? Atomic Industries's latest named round is a Series A, in Jun 2025. ### Where is Atomic Industries based? Atomic Industries is based in the United States. ## Companies like Atomic Industries 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)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## 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