Startup profile for Quartermaster: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

Quartermaster funding, valuation and investors

Maritime intelligence startup building a distributed ocean-data network; raised a $100 million Series B plus $40 million of debt.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Not publicly disclosed

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

Not publicly disclosed

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

series b · Arlington, Virginia, USA

Source links not recorded Last verified: 2026-09-30

Overview

Quartermaster installs SmartMast sensor systems on commercial vessels to collect real-time maritime data. On September 28, 2026 it announced a $140 million financing package after a $43 million Series A in May. Reporting says about $100 million is Series B equity led by Insight Partners and $40 million is a debt facility from Stifel.

Why Quartermaster is interesting

Quartermaster is fresh, defense-adjacent and structurally interesting because the $140 million headline combines equity financing with debt.

Product & use cases

SmartMast combines cameras and radios on commercial vessels to create a distributed maritime observation network.

Key facts

  • Sep 28, 2026: $140M financing package
  • About $100M equity plus $40M debt
  • Insight Partners led the Series B

Funding history (newest first)

Series B + debt package

2026-09-28 $140M total ($100M equity + $40M debt)
  • Insight Partners (lead)
  • Overmatch Ventures (participant)
  • First Round Capital (participant)

Source: https://finance.yahoo.com/technology/articles/ocean-surveillance-startup-quartermaster-raises-130000289.html

Market / IPO context

Editorial / static context — not a live quote.

FAQs about Quartermaster

Practical answers founders, operators, and investors typically search for.

No. Reporting says the financing package combines about $100 million of Series B equity with a $40 million debt facility.
Insight Partners led the Series B.

By Venture Capital Tracker

Last updated:

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.