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AIR · Aar Corp

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$138.58 +3.22 (+2.38%) At close · Aug 26
Market Cap
$5.37B
Shares
39.89M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 408
Total Value: $5,787,407,791
Total Shares: 40,491,206

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 408 13F filers · Δ vs Mar 31, 2026
Top Holder
16.0%
Sep 2023 → Jun 2026 · range 15.0% – 19.1%
+0.6 pts
Top 5
37.4%
Sep 2023 → Jun 2026 · range 36.2% – 51.0%
+1.2 pts
Top 10
52.1%
Sep 2023 → Jun 2026 · range 50.7% – 63.4%
+1.3 pts
HHI
457
Sep 2023 → Jun 2026 · range 434 – 704
Broadly held+23

Quarterly Activity

vs Mar 31, 2026
New
75
Increased
156
Decreased
130
Sold Out
48
Unchanged
47
Holder count: +27
Institutional value: +31.6%
Shares held: +0.8%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 415
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1750 CUSIP 000361105 13F (30d) 330 filings 330 filers Visit website Investor relations