Windborne Systems
Windborne Systems, founded in 2019 and based in Palo Alto, California, is a space-focused company specializing in enhanced atmospheric data collection for improved weather forecasting.
- Founded
- 2019
- Headquarters
- Palo Alto, United States
- Ownership
- Private
- Last round
- Undisclosed round · $37.1M2026-07
Quick Facts
About Windborne Systems
Windborne Systems, founded in 2019 and based in Palo Alto, California, is a space-focused company specializing in enhanced atmospheric data collection for improved weather forecasting. The company designs, builds, and operates a constellation of long-duration, smart weather balloons. These balloons are intended to gather critical data points within the atmosphere, supplementing existing weather observation systems.
This profile is awaiting editorial review. Details beyond the summary above are shown once they have been checked against a source.
Funding history
4 events| Date | Round | Amount | Investors | Source |
|---|---|---|---|---|
| 2026-07-31 | Undisclosed round | $37.1M | —Form D filed 2026-08-17 by WindBorne Systems Inc.: $37.1M sold of a $37.1M offering (first sale 2026-07-31). | sec.gov |
| 2024-05-15 | Undisclosed round | $15.0M | —Form D filed 2024-05-29 by WindBorne Systems Inc.: $15.0M sold of a $15.0M offering (first sale 2024-05-15). | sec.gov |
| 2023-05-12 | Undisclosed round | $8.4M | —Form D filed 2023-05-30 by WindBorne Systems Inc.: $8.4M sold of a $8.8M offering (first sale 2023-05-12). | sec.gov |
| 2023-05-12 | Undisclosed round | $9.9M | —Form D amendment filed 2023-07-07 by WindBorne Systems Inc.: $9.9M sold of a $9.9M offering (first sale 2023-05-12). | sec.gov |
Signals
- Verification
- Verified 2026-09-05
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Frequently asked about Windborne Systems
Quick answers to the questions readers most often search for.
- When was Windborne Systems founded?
- Windborne Systems was founded in 2019 in United States.
- Where is Windborne Systems headquartered?
- Windborne Systems is headquartered in Palo Alto, United States.
- What does Windborne Systems do?
- Windborne Systems, founded in 2019 and based in Palo Alto, California, is a space-focused company specializing in enhanced atmospheric data collection for improved weather forecasting. The company designs, builds, and operates a constellation of long-duration, smart weather balloons. These balloons are intended to gath…
- Is Windborne Systems a public or private company?
- Windborne Systems is a privately held company and is not listed on any stock exchange.
- What sector does Windborne Systems operate in?
- Windborne Systems works in earth observation, Weather and Sensors, plus 2 other space-industry sectors.
Sources
The structured fields on this page (founding year, location, sector, status, listing) and the profile text are drawn from the sources below. How profiles are drafted and checked is described in our methodology.
- Official website (www.windbornesystems.com)
- SEC Form D · retrieved 2026-09-05
- SEC Form D · retrieved 2026-09-05
- SEC Form D · retrieved 2026-09-05
- SEC Form D · retrieved 2026-09-05
Data Accuracy Notice: Information about Windborne Systems is compiled from publicly available sources including company websites, press releases, regulatory filings, and industry reports. Data is reviewed periodically but may not reflect the most recent developments.