Coherent Announces Agreement to Sell Aerospace and Defense Business to Advent for $400 Million
August 15, 2025 | AdventEstimated reading time: 1 minute
Coherent Corp., a global leader in photonics, today announced that it has entered into a definitive agreement to sell its Aerospace and Defense business to Advent, a leading global private equity investor, for $400 million. Proceeds will be used to reduce debt, which will be immediately accretive to Coherent’s EPS.
Coherent’s Aerospace and Defense designs and manufactures optical and laser systems for defense applications. The business includes approximately 550 employees and 10 geographic sites.
“We are pleased to have reached this agreement with Advent. As part of our strategic portfolio optimization process, this transaction furthers our strategy to concentrate efforts on core growth markets and products,” said Jim Anderson, CEO of Coherent.
“Coherent’s Aerospace and Defense business is an exceptional business with a distinguished heritage in pioneering optical and laser technology for the world’s most demanding applications,” said Shonnel Malani, Managing Partner at Advent. “This acquisition is complementary to our existing investments in the sector and underscores our commitment to investing in mission-critical national security technologies. We are excited to partner with the talented management team, and we plan to invest significantly in R&D to further solidify the business’s leadership in advanced laser and optical solutions.”
We see tremendous potential in this business as a standalone entity,” added Rory McMahon, Vice President at Advent. “Our goal is to build upon its impressive legacy and culture of innovation by providing the resources needed to accelerate production capacity, pursue next-generation opportunities and meet the evolving strategic needs of its customers.”
Advent has a strong track record of investing in the national security sector, including past and current investments in Cobham (2020), Ultra Electronics (2022) and Maxar Technologies (2023). The firm will leverage its global network, operating expertise, and long-term investment horizon to support the company’s strategic initiatives.
Closing Conditions
The transaction is expected to close in the third quarter of calendar year 2025, subject to customary closing conditions. Following close, the Aerospace and Defense business will operate under a new name, which will be announced at a later date. Until that time, the Aerospace and Defense business will continue to operate under the Coherent brand.
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