13F Insight
DOSSIER · 13F Holders · Q1 2026Inflation hedgeYield

AAON INC

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

CUSIP 000360906·3 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 3.9%
vs prior quarter
13F value held
$1M
62.0% inst. owned
of float
Holders
3
+48 QoQ
filers reporting
Activity
+45 / −112
+870 added · −914 reduced
this quarter
Concentration
98.84%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

3 institutions reported AAON INC in Q1 2026. IMC-Chicago, LLC leads at 98.8% of the visible book. +48 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$1M17K0.00%Q1 202602
SIMPLEX TRADING, LLC
CIK 0001488542
$16,5502000.00%Q1 202603
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025