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M&A Deal Summary

TransDigm Group Acquires Stellant

On December 31, 2025, TransDigm Group acquired aerospace company Stellant from Arlington Capital Partners for 960M USD

Acquisition Highlights
  • This is TransDigm Group’s 22nd transaction in the Aerospace sector.
  • This is TransDigm Group’s 5th largest (disclosed) transaction.
  • This is TransDigm Group’s 26th transaction in the United States.
  • This is TransDigm Group’s 4th transaction in California.

M&A Deal Summary
Date 2025-12-31
Target Stellant
Sector Aerospace
Buyer(s) TransDigm Group
Sellers(s) Arlington Capital Partners
Deal Type Divestiture
Deal Value 960M USD

Target

Stellant

Torrance, California, United States
Stellant is a provider of RF amplification products for the space, electronic warfare, radar, medical and industrial end markets. Stellant designs and assembles travelling wave tubes, nano microwave power modules, and other related subsystems, and is a provider of space-qualified TWTs. Stellant was founded in 2021 and is based in Torrance, California.

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Buyer(S) 1

Buyer

TransDigm Group

Cleveland, Ohio, United States
Category Company
Founded 1993
Sector Aerospace
Employees16,600
Revenue 7.9B USD (2024)
DESCRIPTION

TransDigm Group is a designer, producer and supplier of highly engineered aircraft components for use on nearly all commercial and military aircraft platforms. TransDigm's major product lines include pumps, ignition system components, mechanical controls and actuators, engineered connectors, NiCad batteries and chargers, lavatory components and overhead bin latches. TransDigm Group was founded in 1983 and is based in Cleveland, Ohio.

DEAL STATS #
Overall 33 of 33
Sector: Aerospace M&A 22 of 22
Type: Divestiture M&A Deals 12 of 12
State: California M&A 4 of 4
Country: United States M&A 26 of 26
Year: 2025 M&A 3 of 3
Size (of disclosed) 5 of 23
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-06-30 Simmonds Precision Products

Vergennes, Vermont, United States

Simmonds Precision Products offers fuel and proximity sensing systems and structural health monitoring solutions for aerospace and defense platforms. Simmonds Precision Products is based in Vergennes, Vermont.

Buy $765M

Seller(S) 1

SELLER

Arlington Capital Partners

Bethesda, Maryland, United States

Investor Investor Investor Investor Investor

Category Private Equity Firm
Founded 1999
PE ASSETS 14.0B USD
Size Mega
Type Sector Agnostic
DESCRIPTION

Arlington Capital Partners is a middle-market private equity firm focused on buyouts and recapitalizations in targeted growth industries. Arlington targets US based companies valued between $50 and $500 million with strong potential for organic growth and possible consolidation opportunities. Sectors of interest include business services and outsourcing, aerospace/defense, federal and commercial IT, media, education and training, healthcare services, and manufacturing. Arlington Capital was formed in 1999 and is headquartered in Washington DC.

DEAL STATS #
Overall 42 of 42
Sector: Aerospace M&A 5 of 5
Type: Divestiture M&A Deals 1 of 1
State: California M&A 4 of 4
Country: United States M&A 40 of 40
Year: 2025 M&A 3 of 3
Size (of disclosed) 2 of 12
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-10-01 CBSET

Lexington, Massachusetts, United States

CBSET is a provider of translational research and product development services for the medical device, pharmaceutical, diagnostic, and biomedical research industries. CBSET was founded in 2006 and is based in Lexington, Massachusetts.

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