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Rainmaker raises $100M to solve weather prediction challenges.

PUBLIC · RAKRSep 25, 2026

Amount Raised

$100 Million

Round Type

Venture

CaliforniaInformation TechnologyArtificial Intelligence

Description

Rainmaker has secured $100 million in funding to advance its weather solution technology. The company aims to leverage the capital to develop innovative approaches to weather forecasting and related challenges. This funding round represents a significant milestone for the company's growth and market expansion. Details regarding lead investors and specific use of proceeds were not disclosed.

Company Information

Company

Rainmaker

Location

California, United States

About

Rainmaker is a startup dedicated to cloud seeding, a weather modification technique that aims to induce precipitation by introducing ice nuclei to clouds.

Fundz sees it the moment Rainmaker raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

Predictive Intelligence
Strategic

ML-powered predictions for Rainmaker's next move

See what Strategic adds

Rainmaker raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 285,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.