ARKA Group offers space-based sensor technology and optical technology that will enable CACI to expand its offerings.

CACI International (CACI) on Monday announced it has agreed to acquire ARKA Group in an all-cash deal valued at $2.6 billion, from funds managed by Blackstone Tactical Opportunities, to expand its offerings in the national security and space sectors. 

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The transaction is expected to close in the third quarter of fiscal year 2026, the statement said. 

CACI International shares were up nearly 1% in Monday’s pre-market trade. Retail sentiment on Stocktwits around the company trended in the ‘bullish’ territory at the time of writing. 

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