# Fossa funding: rounds and investors > Fossa has raised $16M across 3 rounds since 2017. Investors include Bain Capital Ventures, Costanoa Ventures and Norwest Venture Partners. Source: https://millionrounds.com/company/fossa (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Fossa* 3 rounds we have observed, with the 9 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. DevOps Regtech Funding summary Updated 26 Oct 2026 **$16M** raised across 3 rounds since 2017, from 3 sources **$2.2M** Seed **$8.5M** Series A **$5.1M** Venture - **Latest round:** Venture, $5.1M Jul 2025 - **Biggest round:** $8.5M Series A · Sept 2019 - **Investors:** 9 (2 led) 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. 2017 2019 2021 2023 2025 **$2.2M** Seed **$8.5M** Series A **$5.1M** Venture - **First round:** Seed, $2.2M - **Biggest round:** $8.5M - **Usual gap between rounds:** 5.8 years ## The rounds - **Jul 2025** Venture **$5.1M** *1 new* *3 returning* [Norwest Venture Partners](https://millionrounds.com/fund/norwest) [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) [Hack VC](https://millionrounds.com/fund/hack-vc) [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) Source recorded SEC filing: $5.1M sold, first sale Jul 2025 - **Sept 2019** Series A **$8.5M** *3 new* [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) Lead [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) Lead [Norwest Venture Partners](https://millionrounds.com/fund/norwest) Reported by FinSMEs - **Feb 2017** Seed **$2.2M** *5 new* [Jaan Tallinn](https://millionrounds.com/fund/jaan-tallinn) [Steve Chen](https://millionrounds.com/fund/steve-chen) [Justin Mateen](https://millionrounds.com/fund/justin-mateen) [Amr Awadallah](https://millionrounds.com/fund/amr-awadallah) Bain Capital Ventures/ Marc Benioff Reported by FinSMEs ## 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** 2017 **Series A** 2019 **Venture** 2025 [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) L [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) L [Norwest Venture Partners](https://millionrounds.com/fund/norwest) [Hack VC](https://millionrounds.com/fund/hack-vc) [Jaan Tallinn](https://millionrounds.com/fund/jaan-tallinn) [Steve Chen](https://millionrounds.com/fund/steve-chen) [Justin Mateen](https://millionrounds.com/fund/justin-mateen) [Amr Awadallah](https://millionrounds.com/fund/amr-awadallah) Bain Capital Ventures/ Marc Benioff ## Everyone who backed them [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) VC firm **2** rounds, led 1 [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) VC firm **2** rounds, led 1 [Norwest Venture Partners](https://millionrounds.com/fund/norwest) VC firm **2** rounds [Hack VC](https://millionrounds.com/fund/hack-vc) VC firm **1** round [Jaan Tallinn](https://millionrounds.com/fund/jaan-tallinn) VC firm **1** round [Steve Chen](https://millionrounds.com/fund/steve-chen) Angel **1** round [Justin Mateen](https://millionrounds.com/fund/justin-mateen) VC firm **1** round [Amr Awadallah](https://millionrounds.com/fund/amr-awadallah) Angel **1** round Bain Capital Ventures/ Marc Benioff no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=fossa). ## Also claim to have backed them These 3 firms list Fossa 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. [1517 Fund](https://millionrounds.com/fund/1517-fund) VC firm Per its own site [Kibo Ventures](https://millionrounds.com/fund/kibo-ventures) VC firm Per its own site [Modern Technical Fund](https://millionrounds.com/fund/modern-technical-fund) Micro VC Per its own site ## Quick answers about Fossa ### Who invested in Fossa? Fossa's investors include Bain Capital Ventures, Costanoa Ventures, Norwest Venture Partners, Hack VC and Jaan Tallinn, and 4 more on record. ### How much has Fossa raised? Fossa has raised $16M across 3 rounds since 2017. ### When did Fossa last raise? Fossa's most recent round was a Venture of $5.1M in Jul 2025. ### What was Fossa's biggest round? Fossa's largest round on record is $8.5M (Series A), in Sept 2019, led by Bain Capital Ventures. ### Who backed Fossa first? Fossa's first round on record, in Feb 2017, was backed by Jaan Tallinn, Steve Chen and Justin Mateen and 2 others. ### What stage is Fossa at? Fossa's latest named round is a Venture, in Jul 2025. ### Where is Fossa based? Fossa is based in the United States. ### Who led Fossa's rounds? Bain Capital Ventures led the Series A in 2019. ## Companies like Fossa In the same sector, and raised in the last eighteen months. [**Blacksmith** $131M · Oct 2026](https://millionrounds.com/company/blacksmith)[**MURAL** $67M · Oct 2026](https://millionrounds.com/company/mural)[**Brellium** $40M · Oct 2026](https://millionrounds.com/company/brellium)[**Frame** $8.8M · Sept 2026](https://millionrounds.com/company/frame)[**Gaia Dynamics** $8.5M · Sept 2026](https://millionrounds.com/company/gaia-dynamics)[**Blee** $21M · Sept 2026](https://millionrounds.com/company/blee) ## 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