DOSSIER · 13F Holders · Q1 2026CyclicalNet sold

AAR CORP

3 institutions still hold AAR CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 000361955·3 13F holders·last filed Mar 31, 2026

Market cap

—

▲ 0.6%

vs prior quarter

13F value held

$3M

76.0% inst. owned

of float

Holders

3

-11 QoQ

filers reporting

Activity

+66 / −44

+828 added · −748 reduced

this quarter

Concentration

78.35%

IMC-Chicago, LLC #1

top holder share

AI Holders Summary · Q1 2026

3 institutions reported AAR CORP in Q1 2026. IMC-Chicago, LLC leads at 78.3% of the visible book. -11 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(1 on this page)

#HolderValueShares% port.Quarter

IMC-Chicago, LLC

CIK 0001452861· Market maker

$2M20K0.00%Q1 2026 02

SIMPLEX TRADING, LLC

$602,0306K0.00%Q1 2026 03

CONCOURSE FINANCIAL GROUP SECURITIES, INC.