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WindBorne Systems

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Weather & earth observation data from balloon networks

Redwood City, United StatesFounded 2015Energy
Valuation $100–250M Last recorded · 2026
Headcount 100–500 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for WindBorne Systems and the history behind them.

About WindBorne Systems

WindBorne Systems is a startup that operates in the atmospheric data collection market. They use high-tech balloons to gather valuable data from different layers of the atmosphere. The balloons are fully controllable, allowing the company to collect specific "slices" of atmospheric data repeatedly with a single balloon. This method of data collection is cost-effective, providing 10 to 100 times more data per dollar spent compared to other methods.

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The company's clients are likely to be organizations and businesses that require atmospheric data for various purposes. These could include weather forecasting agencies, climate researchers, environmental monitoring organizations, and potentially even aerospace companies.

WindBorne Systems' business model revolves around the collection and sale of atmospheric data. They make money by providing their clients with access to this data, which is collected from various altitudes and locations around the globe. The company is continually launching more balloons to expand their data collection capabilities.

In summary, WindBorne Systems is a cost-effective and efficient provider of atmospheric data, serving a wide range of clients who require such information for their operations.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2015
Headquarters
Redwood City, United States
Employees
94
Open positions
31
Dealroom signal
89.7/100
Sector
Energy, Weather Forecasting, Core AI, Sustainable Development Goals, Climate Risk, Climate Tech, Hard Tech, AI Applications, Climate Adaptation, NIF defense security and resilience
Technology
Artificial Intelligence, Deep Tech, Machine Learning
Business model
Manufacturing
Client focus
b2b

Funding history

6 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES B✓Equity / VC Aug 2026 $37M $148M TransLink Capital · Galvanize Climate Solutions · Lux Capital · Khosla Ventures ↗
SERIES A✓Equity / VC Jun 2024 $15M $60M Footwork · Convective Capital · Khosla Ventures · Pear Ventures ↗
Showing the latest 2 of 6 recorded eventsBook a demo for the full funding history →

Growth signals

WindBorne Systems website traffic

Latest recorded traffic for WindBorne Systems is 25K monthly website visits, up 66.7% over the last three months. WindBorne Systems's team grew 49.2% over the past year.

Latest monthly visits25K 3-month web change+66.7% 1-year team growth+49.2%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

16 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed6 investors entered at this stage

  • Pear Ventures
  • Bossa Invest
  • Ubiquity Ventures
  • Footwork
  • Humba Ventures
  • Harvest Ventures

Series A5 investors entered at this stage

Other known investors5 additional known investors

Team profiled 12 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
8 countries with
team presence
🇺🇸 United States88.1%
🇨🇦 Canada3.6%
🇰🇷 South Korea2.4%
🇰🇪 Kenya1.2%
🇵🇱 Poland1.2%
Top 5 of 8 shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about WindBorne Systems on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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