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WindBorne Systems reported raising $37.1 Million in an initial SEC Form D filing, from an offering of $37.1 Million

PRIVATEAug 05, 2026

Amount Raised

$37.1 Million

$37.1 Million sold, per SEC Form D (first sale Jul 31, 2026)
Also in a company press release (Aug 5, 2026)

Round Type

Series B

Palo AltoInformation Technology

Investors

Translink CapitalLux CapitalKhosla VenturesGalvanize

Description

WindBorne Systems has secured $37 million in Series B funding to support the development of its atmospheric sensing network. The round was oversubscribed and co-led by Khosla Ventures and Galvanize. Participation included TransLink Capital, Lux Capital, and existing investors. This funding meets the growing demand for advanced weather intelligence solutions.

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Company Information

Company

WindBorne Systems

Location

858 SAN ANTONIO ROAD

Palo Alto, California, United States

About

Global sensing for better weather forecasts. WindBorne designs, builds, and operates a constellation of long-duration smart weather balloons targeting the most critical data in the atmosphere.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

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

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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