Quartermaster

Raised $100M in a Series B round, announced 28 September 2026.

Round

Quartermaster closed a $140M Series B, with $100M from equity investors and a separate $40M Stifel debt facility, to scale its maritime data network.

Amount
$100M
Stage
Series B
Announced
28 September 2026
Lead
Insight Partners
Other investors
Overmatch Ventures, First Round Capital, Stifel
Use of funds
Scale production of its SmartMast real-time maritime tracking system and expand its network of sensors aboard commercial vessels.
Valuation
$1B
Checked
Amount and date matched across 2 press sources

Company

Uses ship-mounted sensors to capture and analyze real-time maritime activity data

Based in
Arlington, Virginia, United States
Sector
Enterprise software
Website
quartermaster.ai ↗

Founder

Sources and links

Sources
Ocean surveillance startup Quartermaster raises another $140M | TechCrunch techcrunch.com
Maritime intelligenc startup Quartermaster raises another $140M | TechCrunch techcrunch.com
Website
quartermaster.ai ↗
LinkedIn
Neil Sobin ↗
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