Quartermaster

Quartermaster develops maritime technology that improves ocean awareness and vessel safety.

Latest funding

$140M Series B+ · September 28, 2026

Led by Insight Partners · Source: techcrunch.com

Total raised: $183M across 2 sourced rounds

All 2 rounds ↓

Website: quartermaster.us.

LinkedIn: quartermasterai.

Categories: Robotics and hardware Defense and security Cybersecurity.

Sectors: Artificial Intelligence (AI), National Security, Robotics.

Stage: Series B+.

Based in: Washington, DC, United States.

Total raised: $183M in 2 sourced rounds.

Last round: Sep 28, 2026 · 48 days ago.

Headcount: 51–100 employees.

On Recent Funding since: Sep 29, 2026.

Signals

Website registeredApr 5, 2023 (3 years old)

About Quartermaster

It provides a scalable, distributed network that transforms civilian and commercial fleets into a persistent maritime sensing layer. This technology combines onboard sensors, real-time communication, and AI-powered analysis to provide data and operational capabilities for commercial and government fleets.

Funding rounds

Date	Round	Amount	Lead	Source
Sep 28, 2026	Series B+	$140M	IInsight Partners	techcrunch.com
May 20, 2026	Series A	$43M	FFirst Round Capital	whalesbook.com

Timeline

April 5, 2023
Website created

Founders and team

NS
Neil Sobin founder

LinkedIn · Founder profile · source: quartermaster.us
SR
Steve Ribaudo Chief Growth Officer

Investors

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Insight Partners portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/quartermaster (get a free API key).