# Sophia Space funding: rounds and investors > Sophia Space has raised $310M across 2 rounds since 2026. Investors include Gaingels, Unlock Venture Partners and Alpha Funds. Every round with its source. Source: https://millionrounds.com/company/sophia-space (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Sophia Space* 2 rounds we have observed, with the 5 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. Aerospace & Space AI Data Infrastructure Hardware & Electronics Raised 2 months ago Funding summary Updated 26 Oct 2026 **$310M** raised across 2 rounds since 2026, from 4 sources **$10M** Seed **$300M** Debt - **Latest round:** Debt, $300M Sept 2026 - **Step-up i:** 30× - **Investors:** 5 (3 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. 2027 **$10M** Seed **$300M** Debt - **First round:** Seed, $10M - **Biggest round:** $300M - **Between rounds:** 6 months ## The rounds - **Sept 2026** Debt **$300M** *1 returning* [Gaingels](https://millionrounds.com/fund/gaingels) Source recorded - **Feb 2026** Seed **$10M** *5 new* [Unlock Venture Partners](https://millionrounds.com/fund/unlock-venture-partners) Lead [Alpha Funds](https://millionrounds.com/fund/alpha-funds) Lead [KDDI Green Partners Fund](https://millionrounds.com/fund/kddi-green-partners-fund) Lead [Gaingels](https://millionrounds.com/fund/gaingels) [Mandala Space Ventures](https://millionrounds.com/fund/mandala-space-ventures) Reported by Firms' own news pages and 2 others SEC filing: $10M sold, first sale Dec 2025 ## Founders and team From Sophia Space's own website: 1 founder, 6 on the team. **Dr. Leon Alkalai** Retired JPL Fellow, Founder Mandala Space Ventures - **Rob DeMillo** CEO - **Brian Monnin** Chief Commercial Officer - **Elinor Shklaz** VP Finance - **Jim Chase** VP Engineering - **Scott Sorochak** VP Business Development - **Technical Advisor** Build & Flight Reliability Former SpaceX VP ## 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** 2026 **Debt** 2026 [Gaingels](https://millionrounds.com/fund/gaingels) [Unlock Venture Partners](https://millionrounds.com/fund/unlock-venture-partners) L [Alpha Funds](https://millionrounds.com/fund/alpha-funds) L [KDDI Green Partners Fund](https://millionrounds.com/fund/kddi-green-partners-fund) L [Mandala Space Ventures](https://millionrounds.com/fund/mandala-space-ventures) ## Everyone who backed them [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **2** rounds [Unlock Venture Partners](https://millionrounds.com/fund/unlock-venture-partners) VC firm **1** round, led 1 [Alpha Funds](https://millionrounds.com/fund/alpha-funds) VC firm **1** round, led 1 [KDDI Green Partners Fund](https://millionrounds.com/fund/kddi-green-partners-fund) VC firm **1** round, led 1 [Mandala Space Ventures](https://millionrounds.com/fund/mandala-space-ventures) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sophia-space). ## Also claim to have backed them These 3 firms list Sophia Space 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. [Daxos Capital](https://millionrounds.com/fund/daxos-capital) VC firm Per its own site [SparkLabs Group](https://millionrounds.com/fund/sparklabs-group) VC firm Per its own site [Chubby Fish](https://millionrounds.com/fund/chubby-fish) Family office Per its own site ## Quick answers about Sophia Space ### Who invested in Sophia Space? Sophia Space's investors include Gaingels, Unlock Venture Partners, Alpha Funds, KDDI Green Partners Fund and Mandala Space Ventures. ### How much has Sophia Space raised? Sophia Space has raised $310M across 2 rounds since 2026. ### When did Sophia Space last raise? Sophia Space's most recent round was a Debt of $300M in Sept 2026. ### What was Sophia Space's biggest round? Its most recent round, $300M in Sept 2026, is also its largest on record. ### Who backed Sophia Space first? Sophia Space's first round on record, in Feb 2026, was backed by Unlock Venture Partners, Alpha Funds and KDDI Green Partners Fund and 2 others. ### What stage is Sophia Space at? Sophia Space's latest named round is a Debt, in Sept 2026. ### Where is Sophia Space based? Sophia Space is based in the United States. ### Who led Sophia Space's rounds? Unlock Venture Partners led the Seed in 2026. ## Companies like Sophia Space In the same sector, and raised in the last eighteen months. 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