WindBorne Systems
PrivateLast Round
Series B
Aug 5, 2026
Est. Valuation
$250M
Total Funding Raised
$58M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
WindBorne Systems is an aerospace and environmental intelligence company that designs, manufactures, and operates a global constellation of smart weather balloons to provide high-resolution atmospheric data and AI-powered weather forecasts.
Sector
Frontier & Industrial Tech
Verticals
Environmental Monitoring, Defense Tech, Space Technology, Sensors
Business Model
B2G
Customer Profile
Government Contracts, Data as a Service, Subscription SaaS
AI Layer
Foundation
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
WindBorne Systems Comparables
Compare WindBorne Systems with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Atmo | 82% | |
| Climavision | 81% | |
| Tomorrow.io | 81% | |
WindBorne Systems Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Aug 5, 2026 | ||||
| Series A | Jun 3, 2024 | ||||
| Seed | Jun 22, 2023 |
WindBorne Systems Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Jetstream | Series A |
| TransLink Capital | Series B |
| Khosla Ventures | Seed, Pre Seed, Series B, Series A |
| BIPROGY | Series B |
| Harvest Venture Partners | Seed, Series A |
| Lux Capital | Series B |
| Galvanize Climate Solutions | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 5, 2026
$37M round led by Khosla Ventures and Galvanize Climate Solutions.
- Jun 3, 2024
$15M round led by Khosla Ventures.
WindBorne Systems Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about WindBorne Systems's valuation, stock price, and market status.