ASI Raises $325M Series C at $3B Valuation After Winning $875M FAA Contract

Boston-based defense and aerospace startup ASI, formerly known as Air Space Intelligence Inc., raised $325M in a Series C funding round that values the company at $3B. The round was led by Spark Capital and included participation from Andreessen Horowitz, Craft Ventures, affiliates of Citadel Securities, Energy Impact Partners, and Meritech Capital, according to an announcement scheduled for Tuesday. In June, ASI secured an $875M contract with the Federal Aviation Administration, beating out Palantir Technologies Inc. and Thales SA to deploy AI software that manages US air traffic. The platform merges weather, flight path, and controller staffing datasets to forecast congestion and recommend adjustments to cut flight delays and cancellations. The FAA began an initial rollout of the technology around Washington in September with plans for a gradual nationwide expansion, while ASI plans to use the new capital to expand its AI research and engineering teams and deploy its system into new fields.