# Rainmaker funding rounds and investors

As of 7 Nov 2026, Rainmaker has raised $100M across 1 verified round on record; latest: $100 million Series B, announced 21 Sep 2026.

A startup that develops cloud-seeding systems intended to increase precipitation and freshwater availability

Website: https://www.rainmaker.com  
Headquarters: El Segundo, California, U.S.  
Page: https://fireround.dev/companies/rainmaker

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-09-21 | Series B | $100 million | not stated | DCVC, Dream Ventures, Lowercarbon Capital, NOA VC, Upfront Ventures | [prnewswire.com](https://www.prnewswire.com/news-releases/rainmaker-raises-100m-series-b-to-scale-low-cost-water-production-and-weather-modification-302884251.html), [amp.axios.com](https://amp.axios.com/pro-rata-premium-first-look-rainmaker-paymob-netnow-05ae121f-845f-40d9-9b69-1e803b874427.html), [bizjournals.com](https://www.bizjournals.com/losangeles/news/2026/09/21/cloud-seeding-researcher-rainmaker-closes-series-b.html) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.