Rainmaker
PrivateLast Round
Series B
Sep 21, 2026
Est. Valuation
$3.8B
Total Funding Raised
$343.3M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Rainmaker is an environmental services company that provides precipitation enhancement technology using drone-based cloud seeding, advanced radar, and numerical weather modeling to address water scarcity.
Sector
Energy & Sustainability
Verticals
Environmental Monitoring, Drones & UAVs, Water Treatment
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Rainmaker Comparables
Compare Rainmaker with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| North American Weather Consultants | 79% | |
| Weather Modification, Inc. | 79% | |
| RHS Consulting | 78% |
Rainmaker Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Sep 21, 2026 | ||||
| Strategic | Nov 13, 2025 | ||||
| Series A | May 5, 2025 | ||||
| Seed | May 7, 2024 |
Rainmaker Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Starship Ventures | Seed, Series A |
| 1517 Fund | Seed, Series A |
| Upfront Ventures | Series B |
| Dream Ventures | Series B |
| noa | Series B |
| Long Journey Ventures | Series A, Seed |
| Lowercarbon Capital | Series B, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 21, 2026
$100M round led by noa.
- May 7, 2024
$6.3M raised led by Day One Ventures and Long Journey Ventures.
Rainmaker Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Rainmaker's valuation, stock price, and market status.
Is Rainmaker a public or private company?
Rainmaker is a private company.
What is the current stock price of Rainmaker?
Rainmaker is a private company with no public stock price. No recent secondary market data is available.
How much is Rainmaker worth (valuation)?
Valuation information for Rainmaker is not publicly available.
Can I buy Rainmaker stock?
Rainmaker shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Rainmaker's last funding round?
Rainmaker's most recent funding round was Series A on May 5, 2025.
Who are the main investors in Rainmaker?
Key investors in Rainmaker include Long Journey Ventures, Lowercarbon Capital, Day One Ventures.
Will Rainmaker IPO soon?
No public IPO plans have been announced for Rainmaker.
How can I track Rainmaker secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Rainmaker's secondary market activity and sign up for updates.