# Onos Health funding: rounds and investors > Onos Health has raised $23M across 2 rounds since 2025. Investors include Haystack, Pathlight and Costanoa Ventures. Every round with its source. Source: https://millionrounds.com/company/onos-health (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Onos Health* 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. Big Data & Analytics Raised 3 months ago Funding summary Updated 26 Oct 2026 **$23M** raised across 2 rounds since 2025, from 2 sources **$6.3M** Seed **$17M** Series A - **Latest round:** Series A, $17M Aug 2026 - **Step-up i:** 2.7× - **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. 2026 **$6.3M** Seed **$17M** Series A - **First round:** Seed, $6.3M - **Biggest round:** $17M - **Between rounds:** 15 months ## The rounds - **Aug 2026** Series A **$17M** *3 new* *2 returning* [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) [Haystack](https://millionrounds.com/fund/haystack) [Flare Capital](https://millionrounds.com/fund/flare-capital-partners) [Pathlight](https://millionrounds.com/fund/pathlight) [Noa](https://millionrounds.com/fund/noa) Source recorded - **May 2025** Seed **$6.3M** *2 new* [Haystack](https://millionrounds.com/fund/haystack) [Pathlight](https://millionrounds.com/fund/pathlight) Source recorded SEC filing: $6.3M sold, first sale Apr 2025 ## Founders and team From Onos Health's own website: 3 founders, 1 on the team. **Akshay Agrawal** Co-Founder, CEO at Onos Health **Josh Levitan** Co-Founder, CPO at Onos Health **Suhaas Prasad** Co-Founder, CTO at Onos Health - **Erinn Macaulay** Head of Accounts at Onos Health ## 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** 2025 **Series A** 2026 [Haystack](https://millionrounds.com/fund/haystack) [Pathlight](https://millionrounds.com/fund/pathlight) [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) [Flare Capital](https://millionrounds.com/fund/flare-capital-partners) [Noa](https://millionrounds.com/fund/noa) ## Everyone who backed them [Haystack](https://millionrounds.com/fund/haystack) VC firm **2** rounds [Pathlight](https://millionrounds.com/fund/pathlight) VC firm **2** rounds [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) VC firm **1** round [Flare Capital](https://millionrounds.com/fund/flare-capital-partners) VC firm **1** round [Noa](https://millionrounds.com/fund/noa) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=onos-health). ## Quick answers about Onos Health ### Who invested in Onos Health? Onos Health's investors include Haystack, Pathlight, Costanoa Ventures, Flare Capital and Noa. ### How much has Onos Health raised? Onos Health has raised $23M across 2 rounds since 2025. ### When did Onos Health last raise? Onos Health's most recent round was a Series A of $17M in Aug 2026. ### What was Onos Health's biggest round? Its most recent round, $17M in Aug 2026, is also its largest on record. ### Who backed Onos Health first? Onos Health's first round on record, in May 2025, was backed by Haystack and Pathlight. ### What stage is Onos Health at? Onos Health's latest named round is a Series A, in Aug 2026. ### Where is Onos Health based? Onos Health is based in the United States. ## Companies like Onos Health In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Prism Data** $25M · Oct 2026](https://millionrounds.com/company/prism-data)[**Homa** $5.0M · Oct 2026](https://millionrounds.com/company/homa) ## 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