# Cinder funding: rounds and investors > Cinder has raised $41M across 4 rounds since 2014. Investors include Y Combinator, Scrum Ventures and Radical Ventures. Every round with its source. Source: https://millionrounds.com/company/cinder (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Cinder* 4 rounds we have observed, with the 10 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 Cybersecurity Food & Beverage Raised 6 months ago Y Combinator: W22 Follow Cinder and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fcinder) Funding summary Updated 5 Nov 2026 **$41M** raised across 4 rounds since 2014, from 5 sources **$120K** Seed **$41M** Series B - **Latest round:** Series B, $41M May 2026 - **Led by:** Radical Ventures - **Step-up i:** 341.7× - **Investors:** 10 (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. 2014 2016 2018 2020 2022 2024 2026 **?** Seed **$120K** Seed **?** Venture **$41M** Series B - **First round:** Seed - **Biggest round:** $41M - **Usual gap between rounds:** 12 months ## The rounds - **May 2026** Series B **$41M** *7 new* *1 returning* [Radical Ventures](https://millionrounds.com/fund/radical-ventures) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Accel](https://millionrounds.com/fund/accel) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [M12](https://millionrounds.com/fund/m12) [J2 Ventures](https://millionrounds.com/fund/j2-ventures) [PSP Growth](https://millionrounds.com/fund/psp-growth) [Neuberger's Outpost Ventures](https://millionrounds.com/fund/neuberger-s-outpost-ventures) Reported by AlleyWatch and 1 other - **Dec 2015** Venture **Amount undisclosed** *1 new* *2 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [AngelList](https://millionrounds.com/fund/angellist) [Scrum Ventures](https://millionrounds.com/fund/scrum-ventures) From a historical funding record - **Dec 2014** Seed **$120K** *1 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) From a historical funding record - **Jan 2014** Seed **Amount undisclosed** *1 new* [Scrum Ventures](https://millionrounds.com/fund/scrum-ventures) From a historical funding record ## 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** 2014 **Seed** 2014 **Venture** 2015 **Series B** 2026 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Scrum Ventures](https://millionrounds.com/fund/scrum-ventures) [Radical Ventures](https://millionrounds.com/fund/radical-ventures) L [Accel](https://millionrounds.com/fund/accel) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [M12](https://millionrounds.com/fund/m12) [AngelList](https://millionrounds.com/fund/angellist) [J2 Ventures](https://millionrounds.com/fund/j2-ventures) [PSP Growth](https://millionrounds.com/fund/psp-growth) [Neuberger's Outpost Ventures](https://millionrounds.com/fund/neuberger-s-outpost-ventures) ## Everyone who backed them [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **3** rounds [Scrum Ventures](https://millionrounds.com/fund/scrum-ventures) VC firm **2** rounds [Radical Ventures](https://millionrounds.com/fund/radical-ventures) VC firm **1** round, led 1 [Accel](https://millionrounds.com/fund/accel) VC firm **1** round [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round [M12](https://millionrounds.com/fund/m12) Corporate VC **1** round [AngelList](https://millionrounds.com/fund/angellist) Angel network **1** round [J2 Ventures](https://millionrounds.com/fund/j2-ventures) VC firm **1** round [PSP Growth](https://millionrounds.com/fund/psp-growth) Private equity **1** round [Neuberger's Outpost Ventures](https://millionrounds.com/fund/neuberger-s-outpost-ventures) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=cinder). ## Also claim to have backed them These 2 firms list Cinder 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. [Webb Investment Network](https://millionrounds.com/fund/webb-investment-network) Family office Per its own site [Mozilla Ventures](https://millionrounds.com/fund/mozilla-ventures) VC firm Per its own site ## Quick answers about Cinder ### Who invested in Cinder? Cinder's investors include Y Combinator, Scrum Ventures, Radical Ventures, Accel and Pioneer Fund, and 5 more on record. Radical Ventures led its latest round. ### How much has Cinder raised? Cinder has raised $41M across 4 rounds since 2014. 2 rounds did not disclose an amount, so the total is a floor. ### When did Cinder last raise? Cinder's most recent round was a Series B of $41M in May 2026, led by Radical Ventures. ### What was Cinder's biggest round? Its most recent round, $41M in May 2026, is also its largest on record. ### Who backed Cinder first? Cinder's first round on record, in Jan 2014, was backed by Scrum Ventures. ### What stage is Cinder at? Cinder's latest named round is a Series B, in May 2026. ### Where is Cinder based? Cinder is based in the United States. ### Who led Cinder's rounds? Radical Ventures led the Series B in 2026. ## Companies like Cinder In the same sector, and raised in the last eighteen months. [**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute) ## 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