# Quartermaster

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

## Why it is interesting

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

## Profile

- **Latest funding:** Not publicly disclosed
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** Not publicly disclosed
- **Stage:** series-b
- **Status:** private
- **Industries:** N/A
- **Coverage:** full
- **Last updated:** 2026-09-30

## Key facts

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

## Funding history

- Series B + debt package · $140M total ($100M equity + $40M debt) · September 28, 2026
  Source: https://finance.yahoo.com/technology/articles/ocean-surveillance-startup-quartermaster-raises-130000289.html

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** September 30, 2026

**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.

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Source: https://venturecapitaltracker.com/startup/quartermaster