DOSSIER · 13F Holders · Q2 2026

AON plc

3 institutions still hold AON plc as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00BLP1HW5·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$34K
visible holders
Holders
3
filers reporting
Concentration
57.47%
Asset Planning,Inc #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported AON plc in Q2 2026. Asset Planning,Inc leads at 57.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Asset Planning,Inc
CIK 0002048547
$19K580.01%Q2 2026
02
Lummis Asset Management, LP
CIK 0002011652
$14K430.01%Q2 2026
03
MADISON DEARBORN PARTNERS LLC
CIK 0001181100
$00Q3 2025