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AAR Stock Falls 7.2% After MRO Holdings Acquisition

AAR Corp2 min read6 sources

Why did AAR stock fall 7.2%?

AAR Corp (AIR) stock fell 7.2% to $106.75 on Tuesday after the aircraft services company agreed to buy 65% of MRO Holdings in a $4B deal, raising investor worries about new debt.

Key numbers

AAR closing price$106.75-7.25% on the day
MRO Holdings enterprise value$4.0BAAR buys 65%
Cash for 65% equity stake~$1.8Bplus ~$1.3B debt repaid
Q1 sales$918M+24% YoY
Q1 adjusted EPS$1.49vs $1.31 expected
Net leverage at close~3.6xfrom 1.81x today

What happened

AAR Corp (AIR) stock fell 7.2% to $106.75 on Tuesday after the aircraft services company agreed to buy 65% of MRO Holdings in a $4B deal, raising investor worries about new debt. AAR will pay about $1.8 billion for its 65% share; the $4 billion counts all of MRO, including debt. The deal grows AAR's plane-maintenance network from seven sites to 12, more than doubling capacity. AAR also beat forecasts: sales rose 24% to $918 million, and adjusted profit was $1.49 a share versus $1.31 expected. Debt measured against earnings would rise from 1.8 times to about 3.6 times.

Why it matters

AAR Corp is making a large bet on airline maintenance, the work that keeps passenger planes flying. The combined business would have about $4.3 billion in yearly sales, up from $3.3 billion, and AAR says its profit margin could reach 19% to 20% within three to four years. But investors sold the shares because the deal adds debt and new shares. It also needs regulatory approval before it can close, expected by February 2027.

Who this affects

Marketmixed
Medium impact
Investors weigh strong earnings against heavy new debt.
Companymixed
High impact
AAR shareholders face short-term pain, bigger long-term scale.
Competitorsbearish
Low impact
Rivals like StandardAero face a larger maintenance competitor.
Industryneutral
Medium impact
Maintenance industry consolidates; larger providers gain scale.

AAR Corp vs StandardAero, VSE Corp

AAR CorpAIR$4.2B-7.25%18.2x
StandardAeroSARO$7.1B-2.12%16.5x
VSE CorpVSEC$5.4B-1.75%23.3x

As of 2026-09-29

How we got here

  1. AAR agrees to buy 65% of MRO Holdings and reports first-quarter results.

  2. AAR lifts full-year sales growth outlook to "low teens", excluding legacy programs.

  3. Early premarket reports of a 7% gain reversed; shares closed down 7.2%.

What to watch

  • Regulatory approvals and closing of the MRO Holdings deal, targeted for AAR's fiscal third quarter.2027-02-28
  • AAR's next results: second-quarter sales growth of 14% to 16% expected, excluding legacy programs.Q1 2027

Educational content only. Not investment advice.

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