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AAR Corp AIR

US equityMarket cap rank #2260
$102.24 −$0.27 (-0.26%)
Market closed · Oct 5, 10:20 pm ET · Last extended-hours $102.24 0.00%
Open$102.53
Prev close$102.51
Day range$100.86 – $105.00
Volume780.6K
Market cap$4.11B
P/E (TTM)20.8
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership102.8%-0.82 pts vs. prior quarter
Institutions holding476-1 vs. prior quarter
Insider trades (recent)31 buys / 18 sellsNet buying
Short interest3.97% of floatDays to cover 4.7 · as of 15 Sep 2026
Short-sale volume share19.7%5-day average of daily volume

Short-sale volume as % of daily volume

15%18%22%25%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$6.08M (10 inflow days, 10 outflow days).

The five largest holders on file together own 38.9% of shares outstanding.

Largest holders

  • BlackRock16.31%
  • State Street Global Advisors7.14%
  • Vanguard Portfolio Management, LLC5.50%
  • Vanguard Capital Management, LLC5.04%
  • Dimensional Fund Advisors4.87%
  • EARNEST Partners, LLC3.15%
  • Capital Research2.92%
  • Geode Capital Management, LLC2.87%

By investor type

  • Mutual Fund93.81%
  • Hedge Fund3.98%
  • Individual/Insider2.45%
  • Public Company2.31%
  • Government Pension Fund1.26%
  • Private Company0.75%
  • Insurance Company0.31%
  • Family Office/Trust0.18%

Reported short interest has risen from 3.87% to 3.97% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 1,599,093 4.0% 4.7
31 Aug 2026 1,488,188 3.7% 3.3
14 Aug 2026 1,352,216 3.4% 4.7
31 Jul 2026 1,321,741 3.3% 2.4
15 Jul 2026 1,416,560 3.6% 3.7
30 Jun 2026 1,540,714 3.9% 2.4

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