# Sphere funding: rounds and investors > Sphere has raised $31M across 4 rounds since 2024. Investors include Y Combinator, Andreessen Horowitz and Right Side Capital Management. Source: https://millionrounds.com/company/sphere (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Sphere* 4 rounds we have observed, with the 13 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 Fintech Regtech Raised 4 months ago Y Combinator: W22 Follow Sphere and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fsphere) Funding summary Updated 5 Nov 2026 **$31M** raised across 4 rounds since 2024, from 5 sources **$5.0M** Venture **$21M** Series A **$3.0M** Seed **$1.5M** Venture - **Latest round:** Venture, $1.5M Jul 2026 - **Biggest round:** $21M Series A · Nov 2025 - **Investors:** 13 (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. 2025 2026 **$5.0M** Venture **$21M** Series A **$3.0M** Seed **$1.5M** Venture - **First round:** Venture, $5.0M - **Biggest round:** $21M - **Usual gap between rounds:** 12 months ## The rounds - **Jul 2026** Venture **$1.5M** *1 new* [Pale blue dot](https://millionrounds.com/fund/pale-blue-dot) Source recorded - **Jun 2026** Seed **$3.0M** *2 new* [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) [Forum Ventures](https://millionrounds.com/fund/forum-ventures) Source recorded - **Nov 2025** Series A **$21M** *5 new* *1 returning* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [20VC](https://millionrounds.com/fund/20vc) [YC](https://millionrounds.com/fund/yc) Reported by TechCrunch SEC filing: $412K sold, first sale Oct 2025 - **Dec 2024** Venture **$5.0M** *5 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Coinbase Ventures](https://millionrounds.com/fund/coinbase) [Big Brain Holdings](https://millionrounds.com/fund/big-brain-holdings) [TCG](https://millionrounds.com/fund/tcg) [Karatage](https://millionrounds.com/fund/karatage) Source recorded and 1 other ## 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. **Venture** 2024 **Series A** 2025 **Seed** 2026 **Venture** 2026 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) L [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Coinbase Ventures](https://millionrounds.com/fund/coinbase) [Forum Ventures](https://millionrounds.com/fund/forum-ventures) [Big Brain Holdings](https://millionrounds.com/fund/big-brain-holdings) [TCG](https://millionrounds.com/fund/tcg) [20VC](https://millionrounds.com/fund/20vc) ## The exit Exit Buyer Price When Acquired [AOL](https://millionrounds.com/fund/aol) $25M Apr 2008 From historical deal records. Wrong? [Tell us](https://millionrounds.com/corrections?slug=sphere). ## Everyone who backed them [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **1** round, led 1 [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) VC firm **1** round [Felicis](https://millionrounds.com/fund/felicis-ventures) VC firm **1** round [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round [Coinbase Ventures](https://millionrounds.com/fund/coinbase) Corporate VC **1** round [Forum Ventures](https://millionrounds.com/fund/forum-ventures) VC firm **1** round [Big Brain Holdings](https://millionrounds.com/fund/big-brain-holdings) VC firm **1** round [TCG](https://millionrounds.com/fund/tcg) Private equity **1** round [20VC](https://millionrounds.com/fund/20vc) VC firm **1** round [Karatage](https://millionrounds.com/fund/karatage) VC firm **1** round [Pale blue dot](https://millionrounds.com/fund/pale-blue-dot) VC firm **1** round [YC](https://millionrounds.com/fund/yc) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sphere). ## Quick answers about Sphere ### Who invested in Sphere? Sphere's investors include Y Combinator, Andreessen Horowitz, Right Side Capital Management, Felicis and Pioneer Fund, and 8 more on record. ### How much has Sphere raised? Sphere has raised $31M across 4 rounds since 2024. ### When did Sphere last raise? Sphere's most recent round was a Venture of $1.5M in Jul 2026. ### What was Sphere's biggest round? Sphere's largest round on record is $21M (Series A), in Nov 2025, led by Andreessen Horowitz. ### Who backed Sphere first? Sphere's first round on record, in Dec 2024, was backed by Y Combinator, Coinbase Ventures and Big Brain Holdings and 2 others. ### What stage is Sphere at? Sphere's latest named round is a Venture, in Jul 2026. ### Where is Sphere based? Sphere is based in the United States. ### Who led Sphere's rounds? Andreessen Horowitz led the Series A in 2025. ## Companies like Sphere 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)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**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