# Sandstone funding: rounds and investors > Sandstone has raised $80M across 3 rounds since 2026. Investors include SV Angel, Operator Partners and MANTIS Venture Capital. Every round with its source. Source: https://millionrounds.com/company/sandstone (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Sandstone* 3 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. AI Biotech Healthcare Legaltech Raised 5 months ago Follow Sandstone and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fsandstone) Funding summary Updated 5 Nov 2026 **$80M** raised across 3 rounds since 2026, from 3 sources **$10M** Seed **$40M** Round **$30M** Series A - **Latest round:** Series A, $30M Jun 2026 - **Led by:** Lightspeed Venture Partners - **Biggest round:** $40M Round · May 2026 - **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. 2026 2027 **$10M** Seed **$40M** Round **$30M** Series A - **First round:** Seed, $10M - **Biggest round:** $40M - **Between rounds:** 4 months ## The rounds - **Jun 2026** Series A **$30M** *4 new* *3 returning* [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) Lead [SV Angel](https://millionrounds.com/fund/sv-angel) [Operator Partners](https://millionrounds.com/fund/operator-partners) [MANTIS Venture Capital](https://millionrounds.com/fund/mantis-venture-capital) [Kearny Jackson](https://millionrounds.com/fund/kearny-jackson) [Litquidity Ventures](https://millionrounds.com/fund/litquidity-ventures) [Daybreak Ventures](https://millionrounds.com/fund/daybreak-ventures) Reported by TechCrunch SEC filing: $15M sold - **May 2026** Round **$40M** No investor was named in the report. Reported by AlleyWatch SEC filing: $15M sold - **Jan 2026** Seed **$10M** *4 new* [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [SV Angel](https://millionrounds.com/fund/sv-angel) [Operator Partners](https://millionrounds.com/fund/operator-partners) [MANTIS Venture Capital](https://millionrounds.com/fund/mantis-venture-capital) Source recorded ## Founders and team From Sandstone's own website: 1 founder, 10 on the team. **Frederic Kerrest** CEO & Co-Founder at Okta - **Kevin Keller** General Counsel at Neurophos, CEO at Tucuxi - **Zach Abramowitz** CEO at Killer Whale Strategies - **Andy Dale** General Counsel & Chief Privacy Officer at OpenAP - **Ilona Logvinova** Chief AI Officer at HSF Kramer - **Jeff Caso** Head of Cybersecurity Practice at McKinsey - **Robert Graham** Head of Legal at Fal - **Achillies Perry** General Counsel at CIBC Capital Markets - **Alexandra Sepulveda** Associate General Counsel at Sourcegraph - **Erick Rabin** General Counsel at Bilt Rewards - **Lily Schurra** Associate General Counsel at Sourcegraph ## 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 **Round** 2026 **Series A** 2026 [SV Angel](https://millionrounds.com/fund/sv-angel) [Operator Partners](https://millionrounds.com/fund/operator-partners) [MANTIS Venture Capital](https://millionrounds.com/fund/mantis-venture-capital) [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) L [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Kearny Jackson](https://millionrounds.com/fund/kearny-jackson) [Litquidity Ventures](https://millionrounds.com/fund/litquidity-ventures) [Daybreak Ventures](https://millionrounds.com/fund/daybreak-ventures) ## Everyone who backed them [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **2** rounds [Operator Partners](https://millionrounds.com/fund/operator-partners) VC firm **2** rounds [MANTIS Venture Capital](https://millionrounds.com/fund/mantis-venture-capital) VC firm **2** rounds [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) VC firm **1** round, led 1 [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) VC firm **1** round [Kearny Jackson](https://millionrounds.com/fund/kearny-jackson) VC firm **1** round [Litquidity Ventures](https://millionrounds.com/fund/litquidity-ventures) VC firm **1** round [Daybreak Ventures](https://millionrounds.com/fund/daybreak-ventures) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sandstone). ## Also claim to have backed them This firm lists Sandstone as a portfolio company on their own website, but no report of a round names it. 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 ## Quick answers about Sandstone ### Who invested in Sandstone? Sandstone's investors include SV Angel, Operator Partners, MANTIS Venture Capital, Lightspeed Venture Partners and Sequoia Capital, and 3 more on record. Lightspeed Venture Partners led its latest round. ### How much has Sandstone raised? Sandstone has raised $80M across 3 rounds since 2026. ### When did Sandstone last raise? Sandstone's most recent round was a Series A of $30M in Jun 2026, led by Lightspeed Venture Partners. ### What was Sandstone's biggest round? Sandstone's largest round on record is $40M, in May 2026. ### Who backed Sandstone first? Sandstone's first round on record, in Jan 2026, was backed by Sequoia Capital, SV Angel and Operator Partners and 1 others. ### What stage is Sandstone at? Sandstone's latest named round is a Series A, in Jun 2026. ### Where is Sandstone based? Sandstone is based in the United States. ### Who led Sandstone's rounds? Lightspeed Venture Partners led the Series A in 2026. ## Companies like Sandstone In the same sector, and raised in the last eighteen months. [**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Trajectory** $101M · Nov 2026](https://millionrounds.com/company/trajectory)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava) ## 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