# Pioneer Square Labs funding: rounds and investors > Pioneer Square Labs has raised $28M across 2 rounds since 2015. Investors include Techstars, Menlo Ventures and Greycroft. Every round with its source. Source: https://millionrounds.com/company/pioneer-square-labs (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Pioneer Square Labs* 2 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. Enterprise Funding summary Updated 26 Oct 2026 **$28M** raised across 2 rounds since 2015, from 2 sources **$13M** Seed **$15M** Series B - **Latest round:** Series B, $15M Jan 2018 - **Step-up i:** 1.2× - **Investors:** 13 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. 2016 2017 2018 **$13M** Seed **$15M** Series B - **First round:** Seed, $13M - **Biggest round:** $15M - **Between rounds:** 2.3 years ## The rounds - **Jan 2018** Series B **$15M** *13 new* [Techstars](https://millionrounds.com/fund/techstars) [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Greycroft](https://millionrounds.com/fund/greycroft) [Madrona Venture Group](https://millionrounds.com/fund/madrona) [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) [Maveron](https://millionrounds.com/fund/maveron) [MHS Capital](https://millionrounds.com/fund/mhs-capital) [True.](https://millionrounds.com/fund/true) [Vulcan](https://millionrounds.com/fund/vulcan) [Voyager](https://millionrounds.com/fund/voyager) [Trilogy Capital](https://millionrounds.com/fund/trilogy-capital) Foundry Group/ Bezos Expeditions Sinclair Reported by FinSMEs - **Oct 2015** Seed **$13M** No investor was named in the report. From a historical funding record SEC filing: $9.5M sold, first sale Sept 2015 ## Founders and team From Pioneer Square Labs's own website: 6 on the team. - **Palvi Mehta** Operating Partner / CFO - **Alex Ray** Principal - **David Zager** Partner - **Greg Gottesman** Managing Director - **Matt Wang** Principal - **Vivek Ladsariya** Managing Director ## 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** 2015 **Series B** 2018 [Techstars](https://millionrounds.com/fund/techstars) [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Greycroft](https://millionrounds.com/fund/greycroft) [Madrona Venture Group](https://millionrounds.com/fund/madrona) [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) [Maveron](https://millionrounds.com/fund/maveron) [MHS Capital](https://millionrounds.com/fund/mhs-capital) [True.](https://millionrounds.com/fund/true) [Vulcan](https://millionrounds.com/fund/vulcan) [Voyager](https://millionrounds.com/fund/voyager) ## Everyone who backed them [Techstars](https://millionrounds.com/fund/techstars) VC firm **1** round [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) VC firm **1** round [Greycroft](https://millionrounds.com/fund/greycroft) VC firm **1** round [Madrona Venture Group](https://millionrounds.com/fund/madrona) VC firm **1** round [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) VC firm **1** round [Maveron](https://millionrounds.com/fund/maveron) VC firm **1** round [MHS Capital](https://millionrounds.com/fund/mhs-capital) VC firm **1** round [True.](https://millionrounds.com/fund/true) VC firm **1** round [Vulcan](https://millionrounds.com/fund/vulcan) Investment firm **1** round [Voyager](https://millionrounds.com/fund/voyager) VC firm **1** round [Trilogy Capital](https://millionrounds.com/fund/trilogy-capital) Private credit **1** round Foundry Group/ Bezos Expeditions no record of our own yet **1** round Sinclair 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=pioneer-square-labs). ## Also claim to have backed them These 3 firms list Pioneer Square 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. [WestRiver Group](https://millionrounds.com/fund/westriver-group) VC firm Per its own site [Eden Road Capital, LLC](https://millionrounds.com/fund/eden-road-capital-llc) Investor Per its own site [Vault Fund](https://millionrounds.com/fund/vault-fund) Fund of funds Per its own site ## Quick answers about Pioneer Square Labs ### Who invested in Pioneer Square Labs? Pioneer Square Labs's investors include Techstars, Menlo Ventures, Greycroft, Madrona Venture Group and ARCH Venture Partners, and 8 more on record. ### How much has Pioneer Square Labs raised? Pioneer Square Labs has raised $28M across 2 rounds since 2015. ### When did Pioneer Square Labs last raise? Pioneer Square Labs's most recent round was a Series B of $15M in Jan 2018. ### What was Pioneer Square Labs's biggest round? Its most recent round, $15M in Jan 2018, is also its largest on record. ### Who backed Pioneer Square Labs first? Pioneer Square Labs's first round on record, in Jan 2018, was backed by Techstars, Menlo Ventures and Greycroft and 10 others. ### What stage is Pioneer Square Labs at? Pioneer Square Labs's latest named round is a Series B, in Jan 2018. ### Where is Pioneer Square Labs based? Pioneer Square Labs is based in the United States. ## Companies like Pioneer Square Labs In the same sector, and raised in the last eighteen months. 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