# OSO funding: rounds and investors > OSO has raised $26M across 2 rounds since 2023. Investors include Sequoia Capital, SV Angel and Felicis. Every round with its source. Source: https://millionrounds.com/company/oso (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *OSO* 2 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 Funding summary Updated 26 Oct 2026 **$26M** raised across 2 rounds since 2023, from 2 sources **$11M** Series A **$15M** Series A - **Latest round:** Series A, $15M Jun 2023 - **Step-up i:** 1.4× - **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. 2024 **$11M** Series A **$15M** Series A - **First round:** Series A, $11M - **Biggest round:** $15M - **Between rounds:** 2 months [**OSO** Artificial intelligence (AI) 1 / 15 Their pitch deck **OSO's pitch deck, 15 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/oso) ## The rounds - **Jun 2023** Series A **$15M** *4 new* [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [SV Angel](https://millionrounds.com/fund/sv-angel) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Company Ventures](https://millionrounds.com/fund/ag-ventures) Source recorded - **Apr 2023** Series A **$11M** *1 new* [Innovacom](https://millionrounds.com/fund/innovacom) 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. **Series A** 2023 **Series A** 2023 [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [SV Angel](https://millionrounds.com/fund/sv-angel) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Innovacom](https://millionrounds.com/fund/innovacom) [Company Ventures](https://millionrounds.com/fund/ag-ventures) ## Everyone who backed them [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) VC firm **1** round [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round [Felicis](https://millionrounds.com/fund/felicis-ventures) VC firm **1** round [Innovacom](https://millionrounds.com/fund/innovacom) VC firm **1** round [Company Ventures](https://millionrounds.com/fund/ag-ventures) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=oso). ## Quick answers about OSO ### Who invested in OSO? OSO's investors include Sequoia Capital, SV Angel, Felicis, Innovacom and Company Ventures. ### How much has OSO raised? OSO has raised $26M across 2 rounds since 2023. ### When did OSO last raise? OSO's most recent round was a Series A of $15M in Jun 2023. ### What was OSO's biggest round? Its most recent round, $15M in Jun 2023, is also its largest on record. ### Who backed OSO first? OSO's first round on record, in Apr 2023, was backed by Innovacom. ### What stage is OSO at? OSO's latest named round is a Series A, in Jun 2023. ### Where is OSO based? OSO is based in the United States. ## Companies like OSO 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