# Helium funding: rounds and investors > Helium has raised $271M across 8 rounds since 2008. Investors include SV Angel, Khosla Ventures and FirstMark. Every round with its source. Source: https://millionrounds.com/company/helium (Millionrounds; every figure on the page links to its filing or article) United States · [Seed startup](https://millionrounds.com/companies) # Who invested in *Helium* 8 rounds we have observed, with the 21 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. Web3 & Crypto Valuation: $1.0B, Oct 2024 Funding summary Updated 26 Oct 2026 **$271M** raised across 8 rounds since 2008, from 8 sources **$17M** Series A **$5.0M** Debt **$10M** Venture **$2.8M** Seed **$16M** Series A **$15M** Series C **$200M** Series D **$5.4M** Seed - **Latest round:** Seed, $5.4M Aug 2025 - **Biggest round:** $200M Series D · Feb 2022 - **Investors:** 21 (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. 2008 2011 2014 2017 2020 2023 **$17M** Series A **$5.0M** Debt **$10M** Venture **$2.8M** Seed **$16M** Series A **$15M** Series C **$200M** Series D **$5.4M** Seed - **First round:** Series A, $17M - **Biggest round:** $200M - **Usual gap between rounds:** 2.5 years ## The rounds - **Aug 2025** Seed **$5.4M** *2 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Gradient](https://millionrounds.com/fund/gradient-ventures) Source recorded - **Feb 2022** Series D **$200M** *2 new* *3 returning* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [SV Angel](https://millionrounds.com/fund/sv-angel) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) Source recorded - **Jun 2019** Series C **$15M** *4 new* *2 returning* [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) Lead [Multicoin Capital](https://millionrounds.com/fund/multicoin-capital) Lead [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Google Ventures](https://millionrounds.com/fund/gv) [FirstMark](https://millionrounds.com/fund/firstmark) [Munich Re Ventures](https://millionrounds.com/fund/munich-re-ventures) Reported by VentureBeat SEC filing: $71K sold, first sale May 2019 - **Oct 2014** Series A **$16M** *1 new* *5 returning* [SV Angel](https://millionrounds.com/fund/sv-angel) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Slow Ventures](https://millionrounds.com/fund/slow-ventures) [FirstMark](https://millionrounds.com/fund/firstmark) [Marc Benioff](https://millionrounds.com/fund/marc-benioff) [Digital Garage (TSE: 4819)](https://millionrounds.com/fund/digital-garage-tse-4819) From a historical funding record SEC filing: $16M sold, first sale Sept 2014 - **Nov 2013** Seed **$2.8M** *9 new* [SV Angel](https://millionrounds.com/fund/sv-angel) [Slow Ventures](https://millionrounds.com/fund/slow-ventures) [FirstMark](https://millionrounds.com/fund/firstmark) [Marc Benioff](https://millionrounds.com/fund/marc-benioff) [Digital Garage (TSE: 4819)](https://millionrounds.com/fund/digital-garage-tse-4819) [Matt Turck](https://millionrounds.com/fund/matt-turck) [Shawn Fanning](https://millionrounds.com/fund/shawn-fanning) [Jeffrey Schox](https://millionrounds.com/fund/jeffrey-schox) [Dmitry Dakhnovsky](https://millionrounds.com/fund/dmitry-dakhnovsky) From a historical funding record - **May 2011** Venture **$10M** No investor was named in the report. Reported by masshightech.com SEC filing: $10M sold, first sale Apr 2011 - **Jul 2009** Debt **$5.0M** No investor was named in the report. From a historical funding record SEC filing: $443K sold, first sale Jul 2009 - **Oct 2008** Series A **$17M** *3 new* [Signature Capital](https://millionrounds.com/fund/signature-capital) [Signature Capital Securities](https://millionrounds.com/fund/signature-capital-securities) [Northport Private Equity](https://millionrounds.com/fund/northport-private-equity) Reported by techcrunch.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. **Series A** 2008 **Debt** 2009 **Venture** 2011 **Seed** 2013 **Series A** 2014 **Series C** 2019 **Series D** 2022 **Seed** 2025 [SV Angel](https://millionrounds.com/fund/sv-angel) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [FirstMark](https://millionrounds.com/fund/firstmark) [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) L [Slow Ventures](https://millionrounds.com/fund/slow-ventures) [Marc Benioff](https://millionrounds.com/fund/marc-benioff) [Digital Garage (TSE: 4819)](https://millionrounds.com/fund/digital-garage-tse-4819) [Multicoin Capital](https://millionrounds.com/fund/multicoin-capital) L [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) ## The exit Exit Buyer Price When Acquired RR Donnelley (Nasdaq:RRD) undisclosed Jun 2011 From historical deal records. Wrong? [Tell us](https://millionrounds.com/corrections?slug=helium). ## Everyone who backed them [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **3** rounds [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **3** rounds [FirstMark](https://millionrounds.com/fund/firstmark) VC firm **3** rounds [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) VC firm **2** rounds, led 1 [Slow Ventures](https://millionrounds.com/fund/slow-ventures) VC firm **2** rounds [Marc Benioff](https://millionrounds.com/fund/marc-benioff) VC firm **2** rounds [Digital Garage (TSE: 4819)](https://millionrounds.com/fund/digital-garage-tse-4819) Corporate VC **2** rounds [Multicoin Capital](https://millionrounds.com/fund/multicoin-capital) VC firm **1** round, led 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **1** round [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Google Ventures](https://millionrounds.com/fund/gv) Corporate VC **1** round [Gradient](https://millionrounds.com/fund/gradient-ventures) VC firm **1** round [Munich Re Ventures](https://millionrounds.com/fund/munich-re-ventures) Corporate VC **1** round [Matt Turck](https://millionrounds.com/fund/matt-turck) Angel **1** round [Shawn Fanning](https://millionrounds.com/fund/shawn-fanning) VC firm **1** round [Signature Capital](https://millionrounds.com/fund/signature-capital) Private equity **1** round [Signature Capital Securities](https://millionrounds.com/fund/signature-capital-securities) VC firm **1** round [Jeffrey Schox](https://millionrounds.com/fund/jeffrey-schox) Angel **1** round [Northport Private Equity](https://millionrounds.com/fund/northport-private-equity) VC firm **1** round [Dmitry Dakhnovsky](https://millionrounds.com/fund/dmitry-dakhnovsky) Angel **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=helium). ## Quick answers about Helium ### Who invested in Helium? Helium's investors include SV Angel, Khosla Ventures, FirstMark, Union Square Ventures and Slow Ventures, and 16 more on record. ### How much has Helium raised? Helium has raised $271M across 8 rounds since 2008. ### When did Helium last raise? Helium's most recent round was a Seed of $5.4M in Aug 2025. ### What was Helium's biggest round? Helium's largest round on record is $200M (Series D), in Feb 2022. ### Who backed Helium first? Helium's first round on record, in Oct 2008, was backed by Signature Capital, Signature Capital Securities and Northport Private Equity. ### What stage is Helium at? Helium's latest named round is a Seed, in Aug 2025. ### Where is Helium based? Helium is based in the United States. ### Who led Helium's rounds? Union Square Ventures led the Series C in 2019. ## Companies like Helium In the same sector, and raised in the last eighteen months. [**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)[**Binance.US** $300M · Oct 2026](https://millionrounds.com/company/binance-us)[**Fission** $10M · Oct 2026](https://millionrounds.com/company/fission)[**Ramp** $4.5B · Oct 2026](https://millionrounds.com/company/ramp) ## 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