Artisan Partners Limited Partnership

CIK

1466153

City

Milwaukee

State / Country

Stock

AON — Aon plc

Top Portfolio Positions

318 positions · $61,599,783,329 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
ACGL	Arch Capital Group Ltd. Financial Services	22,666,011	$2,175,710,395	3.53%
BNY	Bank of New York Mellon Corp Financial Services	15,475,573	$1,835,867,224	2.98%
SCHW	Schwab Charles Corp Financial Services	17,451,048	$1,640,049,491	2.66%
GOOGL	Alphabet Inc. Communication Services	5,620,213	$1,616,148,450	2.62%
ELV	Elevance Health, Inc. Healthcare	5,127,175	$1,500,980,481	2.44%
AXP	American Express Co Financial Services	4,593,883	$1,389,557,729	2.26%
META	Meta Platforms, Inc. Communication Services	2,342,672	$1,340,312,931	2.18%
C	Citigroup Inc Financial Services	11,497,962	$1,303,983,870	2.12%
GRMN	Garmin Ltd Technology	5,519,637	$1,280,610,980	2.08%
BRK-B	Berkshire Hathaway Inc Financial Services	2,605,656	$1,248,630,355	2.03%

Portfolio Trend

25 quarters · across all stocks

Holdings in AON

Compact Export CSV

Shares Held

Position Value (USD)

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$530,699,382	1,644,152	+47.1%	Shares	Sole	2026-05-13
2025-12-31	$394,317,992	1,117,428	-11.8%	Shares	Sole	2026-02-17
2025-09-30	$451,704,846	1,266,770	-41.8%	Shares	Sole	2025-11-12
2025-06-30	$776,325,814	2,176,045	+1.9%	Shares	Sole	2025-08-12
2025-03-31	$852,389,192	2,135,832	+3.3%	Shares	Sole	2025-05-14
2024-12-31	$742,581,617	2,067,551	+86.7%	Shares	Sole	2025-02-12
2024-09-30	$383,130,988	1,107,347	+12.8%	Shares	Sole	2024-11-12
2024-06-30	$288,123,815	981,415	+282.6%	Shares	Sole	2024-08-12
2024-03-31	$85,593,173	256,482	-68.4%	Shares	Sole	2024-05-13
2023-12-31	$236,138,284	811,416	-38.1%	Shares	Sole	2024-02-12
2023-09-30	$425,219,393	1,311,515	+0.5%	Shares	Sole	2023-11-09
2023-06-30	$450,286,474	1,304,422	-1.9%	Shares	Sole	2023-08-10
2023-03-31	$419,392,767	1,330,181	-3.5%	Shares	Sole	2023-05-11
2022-12-31	$413,751,994	1,378,530	-32.2%	Shares	Sole	2023-02-10
2022-09-30	$544,734,806	2,033,579	-3.1%	Shares	Sole	2022-11-10
2022-06-30	$566,030,542	2,098,897	-14.7%	Shares	Sole	2022-08-12
2022-03-31	$801,459,116	2,461,257	+5.3%	Shares	Sole	2022-05-13
2021-12-31	$702,791,332	2,338,273	+7.1%	Shares	Sole	2022-02-11
2021-09-30	$623,800,474	2,182,876	+15.4%	Shares	Sole	2021-11-12
2021-06-30	$451,733,920	1,892,000	-20.9%	Shares	Sole	2021-08-12
2021-03-31	$550,375,947	2,391,795	-39.1%	Shares	Sole	2021-05-11
2020-12-31	$829,845,109	3,927,889	-12.1%	Shares	Sole	2021-02-10
2020-09-30	$921,991,215	4,469,177	+1501.9%	Shares	Sole	2020-11-12
2020-09-30	$57,557,700	279,000	-93.9%	Call	Sole	2020-11-12
2020-06-30	$881,298,502	4,575,797	—	Shares	Sole	2020-08-12
No 13F history on record for this holder in this stock.