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Wind Borne Systems Raises $37 Million In Series B Funding Led By Khosla Ventures And Galvanize To Enhance Weather Intelligence Infrastructure. announced it raised $37.1 Million in an initial filing from an offering of $37.1 Million

PRIVATEAug 05, 2026

Amount Raised

$37.1 Million

Round Type

Series B

Palo AltoInformation Technology

Investors

Lux CapitalTrans Link CapitalGalvanizeKhosla Ventures

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.

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.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 285,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.