# Linear Labs funding: rounds and investors > Linear Labs has raised $22M across 3 rounds since 2014. Investors include Kindred Ventures, Science and Alumni Ventures. Every round with its source. Source: https://millionrounds.com/company/linear-labs (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Linear Labs* 3 rounds we have observed, with the 12 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. Hardware & Electronics Manufacturing Funding summary Updated 26 Oct 2026 **$22M** raised across 3 rounds since 2014, from 3 sources **$150K** Round **$4.5M** Seed **$17M** Series A - **Latest round:** Series A, $17M Mar 2022 - **Step-up i:** 3.8× - **Investors:** 12 (2 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. 2014 2016 2018 2020 2022 **$150K** Round **$4.5M** Seed **$17M** Series A - **First round:** Round, $150K - **Biggest round:** $17M - **Usual gap between rounds:** 5.1 years ## The rounds - **Mar 2022** Series A **$17M** *4 new* *1 returning* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Capital Factory](https://millionrounds.com/fund/capital-factory) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Karman Ventures](https://millionrounds.com/fund/karman-ventures) [Kindred Ventures](https://millionrounds.com/fund/kindred-ventures) Source recorded - **Mar 2019** Seed **$4.5M** *8 new* [Kindred Ventures](https://millionrounds.com/fund/kindred-ventures) Lead [Science](https://millionrounds.com/fund/science) Lead Chris Chris MacFarland Crystal Sacca Gyula Feher Russ Fradin Ryan Graves Reported by FinSMEs - **Feb 2014** Round **$150K** No investor was named in the report. From a historical funding record ## Founders and team From Linear Labs's own website: 2 founders, 1 on the team. **Brad Hunstable** CEO & Co-Founder **Fred Hunstable** CTO & Co-Founder - **Erik Hatch** VP Engineering ## 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. **Round** 2014 **Seed** 2019 **Series A** 2022 [Kindred Ventures](https://millionrounds.com/fund/kindred-ventures) L [Science](https://millionrounds.com/fund/science) L [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Capital Factory](https://millionrounds.com/fund/capital-factory) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Karman Ventures](https://millionrounds.com/fund/karman-ventures) Chris Chris MacFarland Crystal Sacca Gyula Feher ## Everyone who backed them [Kindred Ventures](https://millionrounds.com/fund/kindred-ventures) VC firm **2** rounds, led 1 [Science](https://millionrounds.com/fund/science) VC firm **1** round, led 1 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Capital Factory](https://millionrounds.com/fund/capital-factory) VC firm **1** round [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) VC firm **1** round [Karman Ventures](https://millionrounds.com/fund/karman-ventures) VC firm **1** round Chris no record of our own yet **1** round Chris MacFarland no record of our own yet **1** round Crystal Sacca no record of our own yet **1** round Gyula Feher no record of our own yet **1** round Russ Fradin no record of our own yet **1** round Ryan Graves no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=linear-labs). ## Also claim to have backed them These 4 firms list Linear Labs 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. [Duke Capital Partners](https://millionrounds.com/fund/duke-capital-partners) VC firm Per its own site [Deliberate Ventures](https://millionrounds.com/fund/deliberate-ventures) VC firm Per its own site [Head and Heart Capital](https://millionrounds.com/fund/head-and-heart-capital) Angel network Per its own site [Oktogon Ventures](https://millionrounds.com/fund/oktogon-ventures) VC firm Per its own site ## Quick answers about Linear Labs ### Who invested in Linear Labs? Linear Labs's investors include Kindred Ventures, Science, Alumni Ventures, Capital Factory and Lowercarbon Capital, and 7 more on record. ### How much has Linear Labs raised? Linear Labs has raised $22M across 3 rounds since 2014. ### When did Linear Labs last raise? Linear Labs's most recent round was a Series A of $17M in Mar 2022. ### What was Linear Labs's biggest round? Its most recent round, $17M in Mar 2022, is also its largest on record. ### Who backed Linear Labs first? Linear Labs's first round on record, in Mar 2019, was backed by Kindred Ventures, Science and Chris and 5 others. ### What stage is Linear Labs at? Linear Labs's latest named round is a Series A, in Mar 2022. ### Where is Linear Labs based? Linear Labs is based in the United States. ### Who led Linear Labs's rounds? Kindred Ventures led the Seed in 2019. ## Companies like Linear Labs In the same sector, and raised in the last eighteen months. 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