# Sonar funding: rounds and investors > Sonar has raised $3.4M across 2 rounds since 2015. Investors include 500 Global, GSR and Nina Capital. Every round with its source. Source: https://millionrounds.com/company/sonar (Millionrounds; every figure on the page links to its filing or article) United States · [Pre-seed startup](https://millionrounds.com/companies) # Who invested in *Sonar* 2 rounds we have observed, with the 3 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. Healthcare Y Combinator: S20 Funding summary Updated 26 Oct 2026 **$3.4M** raised across 2 rounds since 2015, from 2 sources **$960K** Seed **$2.4M** Pre-seed - **Latest round:** Pre-seed, $2.4M Feb 2025 - **Step-up i:** 2.5× - **Investors:** 3 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 **$960K** Seed **$2.4M** Pre-seed - **First round:** Seed, $960K - **Biggest round:** $2.4M - **Between rounds:** 9.5 years ## The rounds - **Feb 2025** Pre-seed **$2.4M** *3 new* [500 Global](https://millionrounds.com/fund/500-startups) [GSR](https://millionrounds.com/fund/gsr) [Nina Capital](https://millionrounds.com/fund/nina-capital) Source recorded - **Aug 2015** Seed **$960K** No investor was named in the report. From a historical funding record ## Founders and team From Sonar's own website: 2 founders, 3 on the team. **Brian Olearczyk** Co-Founder & CEO **Jack McGlinchey** Co-Founder & CEO - **Emmett Torney** VP of Marketing - **Andy Hopkins** Director of Sales & Marketing Operations - **Cody Nutt** Director of Sales & Marketing Operations ## 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** 2015 **Pre-seed** 2025 [500 Global](https://millionrounds.com/fund/500-startups) [GSR](https://millionrounds.com/fund/gsr) [Nina Capital](https://millionrounds.com/fund/nina-capital) ## Everyone who backed them [500 Global](https://millionrounds.com/fund/500-startups) Angel **1** round [GSR](https://millionrounds.com/fund/gsr) VC firm **1** round [Nina Capital](https://millionrounds.com/fund/nina-capital) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sonar). ## Also claim to have backed them These 3 firms list Sonar 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. [MBA Ventures](https://millionrounds.com/fund/mba-ventures) VC firm Per its own site [The MBA Fund](https://millionrounds.com/fund/the-mba-fund) VC firm Per its own site [J4 Ventures](https://millionrounds.com/fund/j4-ventures) VC firm Per its own site ## Quick answers about Sonar ### Who invested in Sonar? Sonar's investors include 500 Global, GSR and Nina Capital. ### How much has Sonar raised? Sonar has raised $3.4M across 2 rounds since 2015. ### When did Sonar last raise? Sonar's most recent round was a Pre-seed of $2.4M in Feb 2025. ### What was Sonar's biggest round? Its most recent round, $2.4M in Feb 2025, is also its largest on record. ### Who backed Sonar first? Sonar's first round on record, in Feb 2025, was backed by 500 Global, GSR and Nina Capital. ### What stage is Sonar at? Sonar's latest named round is a Pre-seed, in Feb 2025. ### Where is Sonar based? Sonar is based in the United States. ## Companies like Sonar In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink) ## 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