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Bain Capital-backed MRO Holdings agrees to 65 percent sale to AAR at $4bn EV

Reported by PE Hub
Sep 29, 2026· 2 min read
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Key Takeaways
  • • Bain Capital-backed MRO Holdings is selling a 65 percent stake to AAR Corp at a $4 billion enterprise valuation, marking a significant exit for the private equity investor in the aircraft maintenance sector.
  • • MRO Holdings operates approximately 10,000 employees across maintenance, repair, and overhaul (MRO) facilities located in El Salvador, Mexico, Colombia, and the United States, positioning it as a regional leader in aerospace services.
  • • The transaction represents consolidation activity in the MRO industry, with AAR Corp acquiring a controlling stake in a portfolio company that serves commercial aviation customers across the Americas.
  • • The deal structure involves a majority stake acquisition, suggesting Bain Capital retains a minority position or has negotiated earn-out arrangements typical of sponsor-backed exits in industrial services.
Summary
Bain Capital has agreed to sell a 65 percent majority stake in MRO Holdings to AAR Corp at a $4 billion enterprise valuation, according to PE Hub. The transaction represents a significant exit for the private equity firm from its investment in the aircraft maintenance, repair, and overhaul services provider.

MRO Holdings operates approximately 10,000 employees across a geographic footprint spanning the Americas. The company maintains multiple service facilities in El Salvador, Mexico, Colombia, and the United States, providing comprehensive MRO services to the commercial aviation sector. This regional presence and operational scale have positioned the company as a meaningful player in aircraft maintenance services across Latin America and North America.

The sale to AAR Corp, a publicly traded supplier of aviation services and equipment, consolidates two significant operators within the MRO sector. By acquiring a controlling stake rather than the entire company, the transaction structure preserves Bain Capital's residual ownership interest, which may provide upside participation through continued equity value appreciation or earn-out mechanisms tied to operational performance metrics.

The deal reflects ongoing strategic consolidation in the aerospace services industry, where larger platforms benefit from geographic diversification, customer diversification, and operational efficiency gains. AAR's acquisition of MRO Holdings' majority stake strengthens its aftermarket services capabilities and extends its reach into high-growth markets in Latin America, a strategically important region for commercial aviation maintenance demand.

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PE Hub Bain Capital-backed MRO Holdings agrees to 65 percent sale to AAR at $4bn EV