# Marble funding: rounds and investors > Marble has raised $64M across 6 rounds since 2022. Investors include Invest Nebraska, Smartfin and Y Combinator. Every round with its source. Source: https://millionrounds.com/company/marble (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Marble* 6 rounds we have observed, with the 17 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. Professional Services Cybersecurity Fintech Regtech Raised 1 month ago Y Combinator: S21 Funding summary Updated 26 Oct 2026 **$64M** raised across 6 rounds since 2022, from 7 sources **$2.0M** Seed **$4.2M** Seed **$11M** Series A **$9.0M** Seed **$30M** Series B **$7.4M** Series A - **Latest round:** Series A, $7.4M Sept 2026 - **Led by:** Smartfin - **Biggest round:** $30M Series B · Apr 2026 - **Investors:** 17 (1 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. 2023 2024 2025 2026 **$2.0M** Seed **$4.2M** Seed **$9.0M** Seed **$30M** Series B **$7.4M** Series A - **First round:** Seed, $2.0M - **Biggest round:** $30M - **Usual gap between rounds:** 6 months ## The rounds - **Sept 2026** Series A **$7.4M** *5 new* [Smartfin](https://millionrounds.com/fund/smartfin) Lead [Passion Capital](https://millionrounds.com/fund/passion-capital) [42CAP](https://millionrounds.com/fund/42cap) [Hexa](https://millionrounds.com/fund/hexa) [Adnexus](https://millionrounds.com/fund/adnexus) Reported by Smartfin - **Apr 2026** Series B **$30M** *1 returning* [Invest Nebraska](https://millionrounds.com/fund/invest-nebraska) Source recorded SEC filing: $14M sold - **Dec 2025** Seed **$9.0M** *5 new* [Innovate UK](https://millionrounds.com/fund/innovate-uk) [SFC Capital](https://millionrounds.com/fund/sfc-capital) [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [Susa Ventures](https://millionrounds.com/fund/susa-ventures) [NATO DIANA](https://millionrounds.com/fund/nato-diana) Source recorded and 1 other - **Dec 2022** Series A **$11M** *1 new* [Invest Nebraska](https://millionrounds.com/fund/invest-nebraska) Source recorded - **Nov 2022** Seed **$4.2M** *3 new* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Goodwater Capital](https://millionrounds.com/fund/goodwater-capital) [Blue Collective](https://millionrounds.com/fund/blue-collective) Source recorded - **Aug 2022** Seed **$2.0M** *3 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) [1984 Ventures](https://millionrounds.com/fund/1984-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** 2022 **Seed** 2022 **Series A** 2022 **Seed** 2025 **Series B** 2026 **Series A** 2026 [Invest Nebraska](https://millionrounds.com/fund/invest-nebraska) [Smartfin](https://millionrounds.com/fund/smartfin) L [Y Combinator](https://millionrounds.com/fund/y-combinator) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Innovate UK](https://millionrounds.com/fund/innovate-uk) [Goodwater Capital](https://millionrounds.com/fund/goodwater-capital) [SFC Capital](https://millionrounds.com/fund/sfc-capital) [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) [Susa Ventures](https://millionrounds.com/fund/susa-ventures) ## Everyone who backed them [Invest Nebraska](https://millionrounds.com/fund/invest-nebraska) Government **2** rounds [Smartfin](https://millionrounds.com/fund/smartfin) VC firm **1** round, led 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Innovate UK](https://millionrounds.com/fund/innovate-uk) VC firm **1** round [Goodwater Capital](https://millionrounds.com/fund/goodwater-capital) VC firm **1** round [SFC Capital](https://millionrounds.com/fund/sfc-capital) Angel network **1** round [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) Accelerator **1** round [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) VC firm **1** round [Susa Ventures](https://millionrounds.com/fund/susa-ventures) VC firm **1** round [Passion Capital](https://millionrounds.com/fund/passion-capital) VC firm **1** round [1984 Ventures](https://millionrounds.com/fund/1984-ventures) VC firm **1** round [NATO DIANA](https://millionrounds.com/fund/nato-diana) Investment firm **1** round [42CAP](https://millionrounds.com/fund/42cap) VC firm **1** round [Blue Collective](https://millionrounds.com/fund/blue-collective) VC firm **1** round [Hexa](https://millionrounds.com/fund/hexa) Venture studio **1** round [Adnexus](https://millionrounds.com/fund/adnexus) Corporate VC **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=marble). ## Also claim to have backed them These 4 firms list Marble 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. [Kibo Invest](https://millionrounds.com/fund/kibo-invest) Family office Per its own site [ED3N Ventures](https://millionrounds.com/fund/ed3n-ventures) Venture studio Per its own site [Enfuro Ventures](https://millionrounds.com/fund/enfuro-ventures) VC firm Per its own site [Scala Ventures](https://millionrounds.com/fund/scala-ventures) VC firm Per its own site ## Quick answers about Marble ### Who invested in Marble? Marble's investors include Invest Nebraska, Smartfin, Y Combinator, Alumni Ventures and Innovate UK, and 12 more on record. Smartfin led its latest round. ### How much has Marble raised? Marble has raised $64M across 6 rounds since 2022. ### When did Marble last raise? Marble's most recent round was a Series A of $7.4M in Sept 2026, led by Smartfin. ### What was Marble's biggest round? Marble's largest round on record is $30M (Series B), in Apr 2026. ### Who backed Marble first? Marble's first round on record, in Aug 2022, was backed by Y Combinator, Unpopular Ventures and 1984 Ventures. ### What stage is Marble at? Marble's latest named round is a Series A, in Sept 2026. ### Where is Marble based? Marble is based in the United States. ### Who led Marble's rounds? Smartfin led the Series A in 2026. ## Companies like Marble In the same sector, and raised in the last eighteen months. [**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Coast** $77M · Oct 2026](https://millionrounds.com/company/coast)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**CapitalOS** $52M · Oct 2026](https://millionrounds.com/company/capitalos) ## 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