# Portworx funding: rounds and investors > Portworx has raised $56M across 3 rounds since 2015. Investors include Mayfield Fund, Sapphire Ventures and Cisco. Every round with its source. Source: https://millionrounds.com/company/portworx (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Portworx* 3 rounds we have observed, with the 8 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. Big Data & Analytics Follow Portworx and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fportworx) Funding summary Updated 27 Oct 2026 **$56M** raised across 3 rounds since 2015, from 3 sources **$8.5M** Series A **$20M** Series B **$27M** Series C - **Latest round:** Series C, $27M Mar 2019 - **Led by:** Sapphire Ventures - **Step-up i:** 1.4× - **Investors:** 8 (1 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. 2016 2017 2018 2019 **$8.5M** Series A **$20M** Series B **$27M** Series C - **First round:** Series A, $8.5M - **Biggest round:** $27M - **Usual gap between rounds:** 23 months ## The rounds - **Mar 2019** Series C **$27M** *5 new* *1 returning* [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) Lead [Mayfield Fund](https://millionrounds.com/fund/mayfield) [Cisco](https://millionrounds.com/fund/cisco) [GE](https://millionrounds.com/fund/ge) [HPE Growth](https://millionrounds.com/fund/hpe-growth) [NetApp](https://millionrounds.com/fund/netapp) Reported by FinSMEs - **Apr 2017** Series B **$20M** *1 new* *1 returning* [Mayfield Fund](https://millionrounds.com/fund/mayfield) Sapphire Ventures/ GE Ventures Reported by FinSMEs - **Jun 2015** Series A **$8.5M** *2 new* [Mayfield Fund](https://millionrounds.com/fund/mayfield) [Michael Dell](https://millionrounds.com/fund/michael-dell) From a historical funding record ## 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** 2015 **Series B** 2017 **Series C** 2019 [Mayfield Fund](https://millionrounds.com/fund/mayfield) [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) L [Cisco](https://millionrounds.com/fund/cisco) [GE](https://millionrounds.com/fund/ge) [HPE Growth](https://millionrounds.com/fund/hpe-growth) [Michael Dell](https://millionrounds.com/fund/michael-dell) [NetApp](https://millionrounds.com/fund/netapp) Sapphire Ventures/ GE Ventures ## Everyone who backed them [Mayfield Fund](https://millionrounds.com/fund/mayfield) VC firm **3** rounds [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) VC firm **1** round, led 1 [Cisco](https://millionrounds.com/fund/cisco) Corporate VC **1** round [GE](https://millionrounds.com/fund/ge) Corporate VC **1** round [HPE Growth](https://millionrounds.com/fund/hpe-growth) Private equity **1** round [Michael Dell](https://millionrounds.com/fund/michael-dell) Angel **1** round [NetApp](https://millionrounds.com/fund/netapp) VC firm **1** round Sapphire Ventures/ GE Ventures 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=portworx). ## Quick answers about Portworx ### Who invested in Portworx? Portworx's investors include Mayfield Fund, Sapphire Ventures, Cisco, GE and HPE Growth, and 3 more on record. Sapphire Ventures led its latest round. ### How much has Portworx raised? Portworx has raised $56M across 3 rounds since 2015. ### When did Portworx last raise? Portworx's most recent round was a Series C of $27M in Mar 2019, led by Sapphire Ventures. ### What was Portworx's biggest round? Its most recent round, $27M in Mar 2019, is also its largest on record. ### Who backed Portworx first? Portworx's first round on record, in Jun 2015, was backed by Mayfield Fund and Michael Dell. ### What stage is Portworx at? Portworx's latest named round is a Series C, in Mar 2019. ### Where is Portworx based? Portworx is based in the United States. ### Who led Portworx's rounds? Sapphire Ventures led the Series C in 2019. ## Companies like Portworx In the same sector, and raised in the last eighteen months. [**Ayar Labs** $904M · Oct 2026](https://millionrounds.com/company/ayar-labs)[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Prism Data** $25M · Oct 2026](https://millionrounds.com/company/prism-data) ## 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