CACI to acquire Blackstone-backed ARKA in $2.6B space push

CACI International (NYSE:CACI) has agreed to acquire ARKA Group L.P. from funds managed by Blackstone Tactical Opportunities in an all-cash transaction valued at $2.6 billion.

The deal represents a massive expansion of CACI’s national security portfolio, specifically targeting the high-growth domains of space-based sensors and ground-based software processing for the U.S. intelligence and defense communities.

The acquisition is the latest in a series of strategic moves by CACI to position itself as a top-tier provider for the U.S. Space Force and the broader Intelligence Community.

ARKA, which specializes in advanced space-based sensor technology, provides the hardware and software necessary to deliver actionable intelligence to military personnel in real-time.

By integrating these capabilities, CACI intends to bridge the gap between orbital data collection and frontline decision-making.

CACI President and Chief Executive Officer John Mengucci characterized the move as a defining step for the company’s long-term strategy.

He noted that the acquisition allows the firm to address increasingly complex mission requirements at a speed and scale that expands the current limits of national security.

For shareholders, the deal is expected to be a significant driver of free cash flow growth.

CACI also anticipates a substantial tax benefit from the structure of the transaction, with a present value estimated at approximately $225 million.

The sale marks a successful exit for Blackstone, which has overseen ARKA’s development during its period of ownership.

Leadership from both firms highlighted a shared 60-year heritage in the defense sector and a similar mission-focused culture as key factors that will facilitate a smooth integration.

The transaction is slated to close in the third quarter of CACI’s fiscal year 2026, pending customary regulatory approvals and closing conditions.