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AIR · Analysis updated Nov 10, 2026, 6:00 PM ET
Why is AAR Corp. (AIR) stock moving?
AAR's stock rose from about $96.67 on Oct 22 to $115.61 on Nov 10, a gain of roughly 20%, with the Nov 9 close of $116.62 after a 6.8% jump on 436K shares. The 30-day range runs from $90.69 to $118.85, and the Nov 10 session stayed close to its high. Company-specific news is limited but constructive: a multi-year radome repair agreement with Airbus Avionics expands AAR's Asia-Pacific repair role. The main item to weigh is the proposed roughly $1.92B senior notes offering to fund the MRO Holdings acquisition, which adds meaningful debt, though an October 26 amendment raised the revolving credit facility to $1.375B and extended its maturity to 2031 to support the deal. Sector news is mixed but mostly supportive for aircraft demand: Airbus delivered about 74 jets in October, and Air China approved 55 Airbus purchases. The stock's advance has been strong and high-volume, but the news flow is still thin, and the acquisition's terms and integration remain ahead.
News behind the analysis
- AAR Signs Multi-Year Radome Repair Agreement with Airbus AvionicsAAR entered a multi-year deal with Airbus Avionics for comprehensive radome repair services, expanding its authorized repair station role in Asia-Pacific.
- AAR Inks Multi-Year Radome Repair Agreement With Airbus AvionicBenzinga reported the same multi-year radome repair agreement between AAR and Airbus Avionics.
- AAR Corp. Announces Proposed Offering of Senior Notes to Fund MRO Holdings AcquisitionAAR proposed roughly $1.92 billion of senior notes, $955M due 2031 and $960M due 2034, to finance its acquisition of MRO Holdings.
- Airbus Reports October Aircraft DeliveriesAirbus reportedly delivered about 74 aircraft in October 2026 as it works toward its annual delivery target.
- Air China Shareholders Approve Acquisition of 55 Airbus AircraftAir China shareholders approved buying 15 Airbus A350-900 and 40 A320-series jets, a sign of continued aircraft demand.
About AAR Corp.
AAR Corp. is an independent aviation aftermarket company based in Wood Dale, Illinois. It sells aircraft parts, does repair and maintenance work, and offers software to commercial airlines, government and defense operators, maintenance shops (MROs) and aircraft makers (OEMs). It describes itself as a parts, repair and software platform, and its sales for the fiscal year ended May 2026 were a record of about $3.3 billion.
How it makes money
AAR makes most of its money in four ways. It distributes and supplies new and used aircraft parts, and this Parts Supply business has been its fastest-growing area. It also repairs and maintains aircraft and their components, a business it expanded by buying HAECO Americas. A third source is engineering services, which it added to with the 2026 purchase of Aircraft Reconfig Technologies. Finally, it sells aviation software. In 2026 it reorganized its reporting into four segments and began closing down its Commercial Programs business. For fiscal 2026, sales rose about 19% to roughly $3.3 billion and net income was about $188 million. Net debt was about $0.8 billion at the end of that year.
What usually moves AIR
- Airline flight hours and demand for aftermarket parts
- Supply of used aircraft parts (used serviceable material)
- Repair shop capacity and labor costs
- US government and defense contracts
- Acquisitions and how well they are integrated