Ubicloud, an open-source AWS alternative, files for $49.6M offering
What's the deal? Ubicloud, a San Francisco startup building an open-source alternative to Amazon Web Services, filed an SEC Form D on November 9, 2026 disclosing an equity offering of $49,649,761. The filing lists the round as fully subscribed, with the total sold matching the total offering amount.
What's the endgame? Ubicloud builds open-source cloud infrastructure that can run on rented bare-metal servers or be self-hosted. It pitches lower costs and less vendor lock-in than the hyperscalers.
Who's behind it? The Delaware-incorporated company was founded by Ozgun Erdogan, Umur Cubukcu, and Daniel Farina, who previously built the distributed PostgreSQL database Citus before its 2019 acquisition by Microsoft. Ubicloud went through Y Combinator's winter 2024 batch, with investors including Pioneer FundDealroom has a profile for this one. Try Dealroom →, Liquid 2 Ventures, and ScaleX VenturesDealroom has a profile for this one. Try Dealroom →.
Why now? The offering is a sharp step up from the roughly $16 million seed Ubicloud raised in 2024. It arrives amid ongoing enterprise interest in cloud-cost control.
What's missing? A Form D records an offering, not necessarily a conventional priced venture round. The filing does not disclose investors, terms, or how the company plans to use the proceeds.
The signal: A near-$50 million raise signals investor appetite for open-source infrastructure that undercuts the hyperscalers on price and lock-in. But the filing alone is too thin to infer a serious competitive threat to AWS or its rivals.
Read more: financialist.com
Image credit: Ubicloud
