# WeatherXM funding: rounds and investors > WeatherXM has raised $7.7M across 3 rounds since 2015. Investors include Alumni Ventures, SOSV and Arca. Every round with its source. Source: https://millionrounds.com/company/weatherxm (Millionrounds; every figure on the page links to its filing or article) Greece · [Series A startup](https://millionrounds.com/companies) # Who invested in *WeatherXM* 3 rounds we have observed, with the 6 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. IT Services Funding summary Updated 26 Oct 2026 **$7.7M** raised across 3 rounds since 2015, from 3 sources **$12K** Grant **$8K** Grant **$7.7M** Series A - **Latest round:** Series A, $7.7M May 2024 - **Step-up i:** 947.8× - **Investors:** 6 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. 2015 2017 2019 2021 2023 **$12K** Grant **$8K** Grant **$7.7M** Series A - **First round:** Grant, $12K - **Biggest round:** $7.7M - **Usual gap between rounds:** 8.8 years ## The rounds - **May 2024** Series A **$7.7M** *6 new* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [SOSV](https://millionrounds.com/fund/sosv) [Arca](https://millionrounds.com/fund/arca) [Borderless Capital](https://millionrounds.com/fund/borderless-capital) [Protocol Labs](https://millionrounds.com/fund/protocol-labs) [Faction](https://millionrounds.com/fund/faction) Source recorded - **Jul 2015** Grant **$8K** No investor was named in the report. From a historical funding record - **Jan 2015** Grant **$12K** No investor was named in the report. From a historical funding record ## Founders and team From WeatherXM's own website: 3 founders. **Manolis Nikiforakis** CEO & Co-founder **Nikos Tsiligaridis** Co-founder & Head of Hardware **Stratos Theodorou** Co-founder & Head of Software ## 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. **Grant** 2015 **Grant** 2015 **Series A** 2024 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [SOSV](https://millionrounds.com/fund/sosv) [Arca](https://millionrounds.com/fund/arca) [Borderless Capital](https://millionrounds.com/fund/borderless-capital) [Protocol Labs](https://millionrounds.com/fund/protocol-labs) [Faction](https://millionrounds.com/fund/faction) ## Everyone who backed them [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [SOSV](https://millionrounds.com/fund/sosv) VC firm **1** round [Arca](https://millionrounds.com/fund/arca) VC firm **1** round [Borderless Capital](https://millionrounds.com/fund/borderless-capital) Accelerator **1** round [Protocol Labs](https://millionrounds.com/fund/protocol-labs) Corporate VC **1** round [Faction](https://millionrounds.com/fund/faction) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=weatherxm). ## Also claim to have backed them These 4 firms list WeatherXM 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. [Faction](https://millionrounds.com/fund/lightspeed-faction) VC firm Per its own site [Placeholder](https://millionrounds.com/fund/placeholder) VC firm Per its own site [Dlab](https://millionrounds.com/fund/dlab) VC firm Per its own site [Redbeard Ventures](https://millionrounds.com/fund/red-beard-ventures) Angel network Per its own site ## Quick answers about WeatherXM ### Who invested in WeatherXM? WeatherXM's investors include Alumni Ventures, SOSV, Arca, Borderless Capital and Protocol Labs, and 1 more on record. ### How much has WeatherXM raised? WeatherXM has raised $7.7M across 3 rounds since 2015. ### When did WeatherXM last raise? WeatherXM's most recent round was a Series A of $7.7M in May 2024. ### What was WeatherXM's biggest round? Its most recent round, $7.7M in May 2024, is also its largest on record. ### Who backed WeatherXM first? WeatherXM's first round on record, in May 2024, was backed by Alumni Ventures, SOSV and Arca and 3 others. ### What stage is WeatherXM at? WeatherXM's latest named round is a Series A, in May 2024. ### Where is WeatherXM based? WeatherXM is based in Greece. ## Companies like WeatherXM In the same sector, and raised in the last eighteen months. 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