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Artisan Partners Limited Partnership

Position in AON — Aon plc

CIK 1466153 Milwaukee, WI

Position in AON

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$613,833,142
+$83,133,760 QoQ
Shares Held
1,850,623
+12.6% QoQ
Ownership
0.872%
of shares outstanding
% of Portfolio
1.00%
of 13F equity value
Holder Rank
#22
of 1,247 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 92% Shared 0% None 8%

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Derivatives in AON

reported options exposure · as of Sep 30, 2020
CallValue
$57,557,700
CallShares
279,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Insurance Brokers

Financial Services · as of Jun 30, 2026

Artisan Partners Limited Partnership holds $3,397,123,732 across 6 Insurance Brokers names. AON ranks #3 (18.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 AON
Aon plc
This page
1,850,623 $613,833,142

All Filings in AON

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $613,833,142 1,850,623
2026-03-31 $530,699,382 1,644,152
2025-12-31 $394,317,992 1,117,428
2025-09-30 $451,704,846 1,266,770
2025-06-30 $776,325,814 2,176,045
2025-03-31 $852,389,192 2,135,832
2024-12-31 $742,581,617 2,067,551
2024-09-30 $383,130,988 1,107,347
2024-06-30 $288,123,815 981,415
2024-03-31 $85,593,173 256,482
2023-12-31 $236,138,284 811,416
2023-09-30 $425,219,393 1,311,515
2023-06-30 $450,286,474 1,304,422
2023-03-31 $419,392,767 1,330,181
2022-12-31 $413,751,994 1,378,530
2022-09-30 $544,734,806 2,033,579
2022-06-30 $566,030,542 2,098,897
2022-03-31 $801,459,116 2,461,257
2021-12-31 $702,791,332 2,338,273
2021-09-30 $623,800,474 2,182,876
2021-06-30 $451,733,920 1,892,000
2021-03-31 $550,375,947 2,391,795
2020-12-31 $829,845,109 3,927,889
2020-09-30 $921,991,215 4,469,177
2020-09-30 $57,557,700 279,000
2020-06-30 $881,298,502 4,575,797