Quartermaster raises $43M series a

◆ Amount

$43M

◆ Announced

20 May 2026

◆ Company

◆ Source

◆ The Round

Quartermaster raised $43M in series a funding, announced on 20 May 2026, led by First Round Capital, Quiet Capital. The round is tracked live by Fusion42 as part of the Raise fund database and the Scout startup database.

◆ About Quartermaster

Arlington, Virginia-based startup building SmartMast, a package of weather-hardened sensors and analytics platform for real-time maritime data collection and intelligence. Quartermaster is based in United States and currently at series a stage, operating in Maritime Tech, Logistics Tech.

◆ Investors

◆ Market context

This funding event is a citable node in Fusion42's market graph: it links Quartermaster's Scout profile to the funds behind the round and to related Wire analysis, and is refreshed from public announcements as the round is confirmed or extended. It is the same live market data Arthur reasons over when benchmarking a founder's own raise against what is closing in the market right now.

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