ASI Raises $325M at $3B Valuation on FAA and Army Wins

Boston-based ASI has raised $325 million in a Series C round at a $3 billion valuation, one of Massachusetts' largest venture financings of the year, on the strength of an $875 million federal contract to modernize the National Airspace System.

Spark Capital led the round, with participation from affiliates of Citadel Securities, Meritech Capital, Craft Ventures, Energy Impact Partners and Andreessen Horowitz, the company said. The deal values ASI — formerly known as Air Space Intelligence — among the most highly valued private technology companies in the region.

The raise lands weeks after the company's biggest commercial breakthrough. Bloomberg reported that ASI secured a 12-year, $875 million program of record from the U.S. Department of Transportation and the Federal Aviation Administration to help modernize the National Airspace System, beating out rivals including Palantir and Thales. The U.S. Army separately awarded the company a five-year, $99 million contract tied to its Next Generation Command and Control program.

What does ASI actually build?

The answer is not chatbots. ASI builds software for managing physical systems that must operate in real time — aircraft, vessels, power networks and other infrastructure-critical assets.

The company's models run continuous simulations of complex operations, looking ahead hours, days and weeks to identify emerging problems before they turn into costly disruptions. Rather than relying solely on large language models, ASI combines probabilistic forecasting with deterministic systems, helping operators anticipate congestion, sudden demand spikes and logistical bottlenecks across fleets and grids.

Why the framing matters

Founder and CEO Phillip Buckendorf, who previously worked at Uni Robotics, argues the broader technology industry has poured vast sums into teaching machines to work with text — while ASI focuses on AI that can help run the physical world. That positioning places the company at the intersection of AI, industrial software and national security, a trifecta that venture investors currently reward.

For backers, the appeal is operational control rather than insight alone. ASI sells into sectors where even small delays or forecasting errors carry outsized consequences — a narrower, more consequential focus than the generative AI crowd, and now one carrying a $3 billion price tag.

Where the money goes

ASI plans to deploy the new capital across three fronts:

• Expanding deployments in energy, logistics and defense
• Growing its research and engineering base in Boston
• Scaling delivery on its federal programs of record

The financing also signals broader investor appetite for AI companies moving beyond consumer applications into mission-critical infrastructure, where procurement cycles are long but contracts — as the FAA and Army awards show — can run for a decade or more.

The road ahead

With $875 million committed over 12 years on the airspace side and a $99 million Army engagement in parallel, ASI now faces the transition from promising vendor to executing contractor. The next test will be whether its forecasting engines can deliver measurable congestion reduction across the National Airspace System — and whether the Boston engineering base can scale fast enough to serve energy and logistics customers at the same time.

By Nathan Brooks