# Particle funding: rounds and investors > Particle has raised $72M across 8 rounds since 2012. Investors include Alumni Ventures, Root Ventures and Spark Capital. Every round with its source. Source: https://millionrounds.com/company/particle (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Particle* 8 rounds we have observed, with the 10 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 Funding summary Updated 26 Oct 2026 **$72M** raised across 8 rounds since 2012, from 8 sources **$900K** Venture **$578K** Crowdfunding **$20M** Series B **$10M** Round **$40M** Series C - **Latest round:** Venture Mar 2025 - **Biggest round:** $40M Series C · Oct 2019 - **Investors:** 10 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. 2012 2014 2016 2018 2020 2022 2024 **$900K** Venture **?** Venture **$578K** Crowdfunding **$20M** Series B **$10M** Round **$40M** Series C **?** Venture **?** Venture - **First round:** Venture, $900K - **Biggest round:** $40M - **Usual gap between rounds:** 17 months [**Particle** Consumer electronics 1 / 13 Their pitch deck **Particle's pitch deck, 13 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/particle) ## The rounds - **Mar 2025** Venture **Amount undisclosed** *3 new* *2 returning* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Spark Capital](https://millionrounds.com/fund/spark-capital) [Industry Ventures](https://millionrounds.com/fund/industry-ventures) [Bonfire Ventures](https://millionrounds.com/fund/bonfire-ventures) [Root Ventures](https://millionrounds.com/fund/root-ventures) Source recorded - **Jan 2024** Venture **Amount undisclosed** *1 new* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) Source recorded - **Oct 2019** Series C **$40M** *2 new* [Qualcomm Ventures](https://millionrounds.com/fund/qualcomm-ventures) [Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners) Reported by VentureBeat SEC filing: $2.3M sold, first sale May 2019 - **Nov 2016** Round **$10M** *3 new* [O'Reilly AlphaTech Ventures](https://millionrounds.com/fund/o-reilly-alphatech-ventures) [Rincon Venture Partners](https://millionrounds.com/fund/rincon-venture-partners) [Root Ventures](https://millionrounds.com/fund/root-ventures) Reported by FinSMEs - **Jul 2016** Series B **$20M** *1 new* Spark Capital/ Qualcomm Reported by FinSMEs - **Mar 2015** Crowdfunding **$578K** No investor was named in the report. From a historical funding record - **Apr 2013** Venture **Amount undisclosed** No investor was named in the report. From a historical funding record - **Sept 2012** Venture **$900K** No investor was named in the report. Reported by sec.gov SEC filing: $900K sold, first sale Sept 2012 ## 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. **Venture** 2012 **Venture** 2013 **Crowdfunding** 2015 **Series B** 2016 **Round** 2016 **Series C** 2019 **Venture** 2024 **Venture** 2025 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Root Ventures](https://millionrounds.com/fund/root-ventures) [Spark Capital](https://millionrounds.com/fund/spark-capital) [Qualcomm Ventures](https://millionrounds.com/fund/qualcomm-ventures) [Industry Ventures](https://millionrounds.com/fund/industry-ventures) [Bonfire Ventures](https://millionrounds.com/fund/bonfire-ventures) [Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners) [O'Reilly AlphaTech Ventures](https://millionrounds.com/fund/o-reilly-alphatech-ventures) [Rincon Venture Partners](https://millionrounds.com/fund/rincon-venture-partners) Spark Capital/ Qualcomm ## The exit Exit Buyer Price When Acquired [Apple](https://millionrounds.com/fund/apple) undisclosed Oct 2012 From historical deal records. Wrong? [Tell us](https://millionrounds.com/corrections?slug=particle). ## Everyone who backed them [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **2** rounds [Root Ventures](https://millionrounds.com/fund/root-ventures) VC firm **2** rounds [Spark Capital](https://millionrounds.com/fund/spark-capital) VC firm **1** round [Qualcomm Ventures](https://millionrounds.com/fund/qualcomm-ventures) Corporate VC **1** round [Industry Ventures](https://millionrounds.com/fund/industry-ventures) VC firm **1** round [Bonfire Ventures](https://millionrounds.com/fund/bonfire-ventures) VC firm **1** round [Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners) VC firm **1** round [O'Reilly AlphaTech Ventures](https://millionrounds.com/fund/o-reilly-alphatech-ventures) VC firm **1** round [Rincon Venture Partners](https://millionrounds.com/fund/rincon-venture-partners) VC firm **1** round Spark Capital/ Qualcomm 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=particle). ## Also claim to have backed them These 10 firms list Particle 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. [Graph Ventures](https://millionrounds.com/fund/graph-ventures) VC firm Per its own site [SevenX Ventures](https://millionrounds.com/fund/sevenx-ventures) VC firm Per its own site [Jesse Robbins](https://millionrounds.com/fund/jesse-robbins) VC firm Per its own site [Adverb Ventures](https://millionrounds.com/fund/adverb-ventures) VC firm Per its own site [Counterpart Ventures](https://millionrounds.com/fund/counterpart-ventures) VC firm Per its own site [Todd & Rahul's Angel Fund](https://millionrounds.com/fund/todd-and-rahul-s-angel-fund) VC firm Per its own site [Arcane Group](https://millionrounds.com/fund/arcane-group) VC firm Per its own site [Berkeley Gateway Accelerator](https://millionrounds.com/fund/berkeley-gateway-accelerator) Accelerator Per its own site [Great South Gate](https://millionrounds.com/fund/gsg) Private equity Per its own site [Sigma Capital](https://millionrounds.com/fund/sigma-capital) VC firm Per its own site ## Quick answers about Particle ### Who invested in Particle? Particle's investors include Alumni Ventures, Root Ventures, Spark Capital, Qualcomm Ventures and Industry Ventures, and 5 more on record. ### How much has Particle raised? Particle has raised $72M across 8 rounds since 2012. 3 rounds did not disclose an amount, so the total is a floor. ### When did Particle last raise? Particle's most recent round was a Venture in Mar 2025. ### What was Particle's biggest round? Particle's largest round on record is $40M (Series C), in Oct 2019. ### Who backed Particle first? Particle's first round on record, in Jul 2016, was backed by Spark Capital/ Qualcomm. ### What stage is Particle at? Particle's latest named round is a Venture, in Mar 2025. ### Where is Particle based? Particle is based in the United States. ## Companies like Particle In the same sector, and raised in the last eighteen months. [**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt)[**Tenstorrent** $3.0B · Oct 2026](https://millionrounds.com/company/tenstorrent)[**Sabi** $50M · Oct 2026](https://millionrounds.com/company/sabi)[**Ringon** $70K · Oct 2026](https://millionrounds.com/company/ringon)[**Relay** $207M · Oct 2026](https://millionrounds.com/company/relay)[**SiMa.ai** $235M · Sept 2026](https://millionrounds.com/company/sima-ai) ## 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