# Onebrief funding: rounds and investors > Onebrief has raised $200M across 2 rounds since 2026. Investors include Y Combinator, General Catalyst and Insight Partners. Every round with its source. Source: https://millionrounds.com/company/onebrief (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Onebrief* 2 rounds we have observed, with the 7 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 Raised 4 months ago Valuation: $2.1B, Mar 2026 Y Combinator: S21 Funding summary Updated 26 Oct 2026 **$200M** raised across 2 rounds since 2026, from 3 sources **$200M** Series D **$114K** Grant - **Latest round:** Grant, $114K Jul 2026 - **Biggest round:** $200M Series D · Jan 2026 - **Investors:** 7 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 **$200M** Series D **$114K** Grant - **First round:** Series D, $200M - **Biggest round:** $200M - **Between rounds:** 6 months ## The rounds - **Jul 2026** Grant **$114K** *1 new* *4 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Battery Ventures](https://millionrounds.com/fund/battery-ventures) [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) Source recorded SEC filing: $151M sold - **Jan 2026** Series D **$200M** *6 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Battery Ventures](https://millionrounds.com/fund/battery-ventures) [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) Reported by Crunchbase News and 1 other SEC filing: $359M sold, first sale Dec 2025 ## Founders and team From Onebrief's own website: 6 on the team. - **Colten O'Malley** Vice President, People - **Adam Lackey** Chief Technology Officer - **Cory Ondrejka** Chief Information Security Officer - **Grant Demaree** Chief Operating Officer - **Derron Blakely** General Counsel - **Erin Person** General Counsel ## 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. **Series D** 2026 **Grant** 2026 [Y Combinator](https://millionrounds.com/fund/y-combinator) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Battery Ventures](https://millionrounds.com/fund/battery-ventures) [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) ## Everyone who backed them [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds [General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **2** rounds [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) VC firm **2** rounds [Battery Ventures](https://millionrounds.com/fund/battery-ventures) VC firm **2** rounds [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) Corporate VC **1** round [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) VC firm **1** round [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=onebrief). ## Also claim to have backed them These 8 firms list Onebrief 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. [Alchemist Accelerator](https://millionrounds.com/fund/alchemist-accelerator) Accelerator Per its own site [Signia Venture Partners](https://millionrounds.com/fund/signia-venture-partners) VC firm Per its own site [Human Capital](https://millionrounds.com/fund/human-capital) VC firm Per its own site [Lynett Capital](https://millionrounds.com/fund/lynett-capital) VC firm Per its own site [Kyber Knight Capital](https://millionrounds.com/fund/kyber-knight-capital) VC firm Per its own site [Octant Ventures](https://millionrounds.com/fund/octant-ventures) VC firm Per its own site [Summit Peak Investments](https://millionrounds.com/fund/summit-peak-investments) Fund of funds Per its own site [Visary Capital](https://millionrounds.com/fund/visary-capital) VC firm Per its own site ## Quick answers about Onebrief ### Who invested in Onebrief? Onebrief's investors include Y Combinator, General Catalyst, Insight Partners, Battery Ventures and Salesforce Ventures, and 2 more on record. ### How much has Onebrief raised? Onebrief has raised $200M across 2 rounds since 2026. ### When did Onebrief last raise? Onebrief's most recent round was a Grant of $114K in Jul 2026. ### What was Onebrief's biggest round? Onebrief's largest round on record is $200M (Series D), in Jan 2026. ### Who backed Onebrief first? Onebrief's first round on record, in Jan 2026, was backed by Y Combinator, General Catalyst and Insight Partners and 3 others. ### What stage is Onebrief at? Onebrief's latest named round is a Grant, in Jul 2026. ### Where is Onebrief based? Onebrief is based in the United States. ## Companies like Onebrief In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## 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