Quartermaster
A maritime intelligence startup that uses weather-hardened sensors to capture real-time data and generate insights for maritime activity.
Quartermaster is a space & defense company based in Arlington, US. It has raised $140 million in disclosed funding. Its latest round was a Series B of $140 million in September 2026.
Overview
No overview yet. It is written from sources once there are enough of them.
Funding
Total disclosed: $140M across 1 round. Computed only from sourced rounds.
| Date | Company | Amount | Stage | Lead | Other investors | Sector | Sources |
|---|---|---|---|---|---|---|---|
| $140M | Series B | Insight Partners | Overmatch Ventures +2 | Space & Defense | 1 |
- Quartermaster$140M
Led by Insight Partners · with Overmatch Ventures, +2
Investors
Questions and answers
What does Quartermaster do?
A maritime intelligence startup that uses weather-hardened sensors to capture real-time data and generate insights for maritime activity.
How much has Quartermaster raised?
Quartermaster has raised $140 million in disclosed funding across 1 round tracked by OSH.
Who has invested in Quartermaster?
Investors in Quartermaster include Insight Partners, Overmatch Ventures, First Round Capital, and Stifel.
When and where was Quartermaster founded?
Quartermaster and is based in Arlington, US.
Sources
- 1.Maritime intelligence startup Quartermaster raises another $140M — TechCrunch Startups, Sep 28, 2026