# Ostium funding: rounds and investors > Ostium has raised $24M across 2 rounds since 2023. Investors include General Catalyst, LocalGlobe and Soma Capital. Every round with its source. Source: https://millionrounds.com/company/ostium (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Ostium* 2 rounds we have observed, with the 8 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. DeFi Fintech Web3 & Crypto Raised 11 months ago Follow Ostium and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fostium) Funding summary Updated 5 Nov 2026 **$24M** raised across 2 rounds since 2023, from 2 sources **$3.5M** Seed **$20M** Series A - **Latest round:** Series A, $20M Dec 2025 - **Led by:** General Catalyst - **Step-up i:** 5.7× - **Investors:** 8 (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. 2024 2025 **$3.5M** Seed **$20M** Series A - **First round:** Seed, $3.5M - **Biggest round:** $20M - **Between rounds:** 2.2 years ## The rounds - **Dec 2025** Series A **$20M** *5 new* *2 returning* [General Catalyst](https://millionrounds.com/fund/general-catalyst) Lead [Soma Capital](https://millionrounds.com/fund/soma-capital) [LocalGlobe](https://millionrounds.com/fund/localglobe) [SE Ventures](https://millionrounds.com/fund/se-ventures) [Wintermute Ventures](https://millionrounds.com/fund/wintermute-ventures) [Coinbase](https://millionrounds.com/fund/coinbase-ventures) [Jump's crypto arm](https://millionrounds.com/fund/jump-s-crypto-arm) Reported by Ventureburn - **Oct 2023** Seed **$3.5M** *3 new* [General Catalyst](https://millionrounds.com/fund/general-catalyst) [LocalGlobe](https://millionrounds.com/fund/localglobe) [Susquehanna International Group (SIG)](https://millionrounds.com/fund/susquehanna-international-group-sig) 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** 2023 **Series A** 2025 [General Catalyst](https://millionrounds.com/fund/general-catalyst) L [LocalGlobe](https://millionrounds.com/fund/localglobe) [Soma Capital](https://millionrounds.com/fund/soma-capital) [SE Ventures](https://millionrounds.com/fund/se-ventures) [Susquehanna International Group (SIG)](https://millionrounds.com/fund/susquehanna-international-group-sig) [Wintermute Ventures](https://millionrounds.com/fund/wintermute-ventures) [Coinbase](https://millionrounds.com/fund/coinbase-ventures) [Jump's crypto arm](https://millionrounds.com/fund/jump-s-crypto-arm) ## Everyone who backed them [General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **2** rounds, led 1 [LocalGlobe](https://millionrounds.com/fund/localglobe) VC firm **2** rounds [Soma Capital](https://millionrounds.com/fund/soma-capital) VC firm **1** round [SE Ventures](https://millionrounds.com/fund/se-ventures) Corporate VC **1** round [Susquehanna International Group (SIG)](https://millionrounds.com/fund/susquehanna-international-group-sig) Corporate VC **1** round [Wintermute Ventures](https://millionrounds.com/fund/wintermute-ventures) VC firm **1** round [Coinbase](https://millionrounds.com/fund/coinbase-ventures) Corporate VC **1** round [Jump's crypto arm](https://millionrounds.com/fund/jump-s-crypto-arm) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ostium). ## Also claim to have backed them These 2 firms list Ostium 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. [Cadenza Ventures](https://millionrounds.com/fund/cadenza) Private equity Per its own site [Crucible Capital](https://millionrounds.com/fund/crucible-capital) VC firm Per its own site ## Quick answers about Ostium ### Who invested in Ostium? Ostium's investors include General Catalyst, LocalGlobe, Soma Capital, SE Ventures and Susquehanna International Group (SIG), and 3 more on record. General Catalyst led its latest round. ### How much has Ostium raised? Ostium has raised $24M across 2 rounds since 2023. ### When did Ostium last raise? Ostium's most recent round was a Series A of $20M in Dec 2025, led by General Catalyst. ### What was Ostium's biggest round? Its most recent round, $20M in Dec 2025, is also its largest on record. ### Who backed Ostium first? Ostium's first round on record, in Oct 2023, was backed by General Catalyst, LocalGlobe and Susquehanna International Group (SIG). ### What stage is Ostium at? Ostium's latest named round is a Series A, in Dec 2025. ### Where is Ostium based? Ostium is based in the United States. ### Who led Ostium's rounds? General Catalyst led the Series A in 2025. ## Companies like Ostium In the same sector, and raised in the last eighteen months. [**Omni** $244M · Nov 2026](https://millionrounds.com/company/omni)[**Pathfinder** $13M · Nov 2026](https://millionrounds.com/company/pathfinder)[**Clark** $11M · Nov 2026](https://millionrounds.com/company/clark)[**Settle** $103M · Oct 2026](https://millionrounds.com/company/settle)[**Midstream Health** $27M · Oct 2026](https://millionrounds.com/company/midstream-health)[**Collective** $219M · Oct 2026](https://millionrounds.com/company/collective) ## 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