TransDigm Group acquires Stellant Systems, Inc.
Snapshot
TransDigm Group acquired Stellant Systems, Inc. for approximately $960 million in cash (including certain tax benefits) in December 2025. The transaction was structured as all cash. Stellant Systems, Inc. is a Torrance, California (HQ); plants in PA, NY and MA-based Power & Control business.
- Acquirer
- TransDigm Group
- Target
- Stellant Systems, Inc.
- Value
- approximately $960 million in cash (including certain tax benefits)
- Date
- December 2025
- Type
- full acquisition
- Status
- ready
The deal at a glance
About this deal
TransDigm Group acquired Stellant Systems, Inc. for approximately $960 million in cash (including certain tax benefits), a transaction announced in December 2025, structured as all cash.
Stellant Systems, Inc. operates in Power & Control, is based in Torrance, California (HQ); plants in PA, NY and MA, had revenue of about approximately $300 million (CY2025E). Torrance, California-based designer and manufacturer of high-power electronic components and subsystems for the aerospace and defense end market; a portfolio company of Arlington Capital Partners. Roughly 50% of revenue is aftermarket and nearly all is from proprietary products. Manufacturing in Torrance CA; Williamsport PA; Melville NY; and Topsfield MA; about 950 employees.
About 50% aftermarket revenue, nearly all proprietary, diverse commercial and defense platforms
No advisory firms have been disclosed for this transaction.