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Lockheed Martin Leads $3.5 Billion Bid to Acquire Anti-Submarine Specialist Ultra Maritime

7/6/2026

Lockheed Martin is the leading contender to acquire Ultra Maritime, a naval defense company valued at $3.5 billion, in a deal that would hand the U.S.

defense giant control of a specialist in anti-submarine warfare technology. Ultra Maritime is currently owned by private equity firm Advent International.

A High-Stakes Naval Defense Transaction Ultra Maritime's core focus is anti-submarine technology, a capability that sits at the intersection of undersea warfare and great-power competition.

Advent International, the private equity firm that owns Ultra Maritime, would exit its position under the proposed transaction.

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