# Slipstream funding: rounds and investors > Slipstream has raised $20K across 2 rounds since 2010. Investors include Operator Partners, Third Prime and LaunchBox Digital. Every round with its source. Source: https://millionrounds.com/company/slipstream (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Slipstream* 2 rounds we have observed, with the 3 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 Funding summary Updated 26 Oct 2026 **$20K** raised across 2 rounds since 2010, from 2 sources - **Latest round:** Venture Nov 2024 - **Biggest round:** $20K Seed · Aug 2010 - **Investors:** 3 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. 2010 2012 2014 2016 2018 2020 2022 2024 **$20K** Seed **?** Venture - **First round:** Seed, $20K - **Biggest round:** $20K - **Between rounds:** 14.2 years ## The rounds - **Nov 2024** Venture **Amount undisclosed** *2 new* [Operator Partners](https://millionrounds.com/fund/operator-partners) [Third Prime](https://millionrounds.com/fund/third-prime) Source recorded - **Aug 2010** Seed **$20K** *1 new* [LaunchBox Digital](https://millionrounds.com/fund/launchbox-digital) Reported by launchboxdigital.com ## 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** 2010 **Venture** 2024 [Operator Partners](https://millionrounds.com/fund/operator-partners) [Third Prime](https://millionrounds.com/fund/third-prime) [LaunchBox Digital](https://millionrounds.com/fund/launchbox-digital) ## Everyone who backed them [Operator Partners](https://millionrounds.com/fund/operator-partners) VC firm **1** round [Third Prime](https://millionrounds.com/fund/third-prime) VC firm **1** round [LaunchBox Digital](https://millionrounds.com/fund/launchbox-digital) Accelerator **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=slipstream). ## Also claim to have backed them This firm lists Slipstream 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. [Scalare Partners](https://millionrounds.com/fund/scalare-partners) VC firm Per its own site ## Quick answers about Slipstream ### Who invested in Slipstream? Slipstream's investors include Operator Partners, Third Prime and LaunchBox Digital. ### How much has Slipstream raised? Slipstream has raised $20K across 2 rounds since 2010. One round did not disclose an amount, so the total is a floor. ### When did Slipstream last raise? Slipstream's most recent round was a Venture in Nov 2024. ### What was Slipstream's biggest round? Slipstream's largest round on record is $20K (Seed), in Aug 2010. ### Who backed Slipstream first? Slipstream's first round on record, in Aug 2010, was backed by LaunchBox Digital. ### What stage is Slipstream at? Slipstream's latest named round is a Venture, in Nov 2024. ### Where is Slipstream based? Slipstream is based in the United States. ## Companies like Slipstream 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