Parsons acquires open-source national security firm Altamira Technologies; shares rise

Shares of cybersecurity firm Parsons Corp PSN.N rise nearly 1.8% to about $71.6 in morning trading

Co acquires Altamira Technologies, an open-source national security firm, in a deal worth up to $375 million

Says Northern Virginia-based Altamira to enhance PSN's defense portfolio by delivering advanced analytics, signals intelligence, cyber, missile warning and space capabilities

Says Altamira’s 600+ employees, over 90% with security clearances, will join Parsons’ Defense & Intelligence unit

Adds Altamira to generate over $200 million revenue in 2026

PSN fell 33% in 2025