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BLAIR WILLIAM & CO/IL

Position in AON — Aon plc

CIK 902367 CHICAGO, IL

Position in AON

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$119,609,735
-$16,475,926 QoQ
Shares Held
360,607
-14.5% QoQ
Ownership
0.170%
of shares outstanding
% of Portfolio
0.36%
of 13F equity value
Holder Rank
#73
of 1,246 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 67% Shared 0% None 33%

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Position in Insurance Brokers

Financial Services · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $147,397,920 across 9 Insurance Brokers names. AON ranks #1 (81.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AON
Aon plc
This page
360,607 $119,609,735

All Filings in AON

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $119,609,735 360,607
2026-03-31 $136,085,661 421,605
2025-12-31 $175,136,814 496,307
2025-09-30 $188,906,456 529,773
2025-06-30 $202,635,042 567,987
2025-03-31 $221,395,177 554,750
2024-12-31 $202,654,952 564,247
2024-09-30 $205,016,374 592,550
2024-06-30 $176,886,940 602,517
2024-03-31 $203,957,983 611,165
2023-12-31 $215,657,751 741,041
2023-09-30 $235,166,168 725,329
2023-06-30 $248,262,316 719,184
2023-03-31 $228,954,454 726,171
2022-12-31 $228,089,892 759,945
2022-09-30 $204,266,679 762,559
2022-06-30 $203,724,901 755,432
2022-03-31 $238,824,857 733,424
2021-12-31 $219,168,352 729,200
2021-09-30 $173,975,347 608,795
2021-06-30 $145,025,211 607,410
2021-03-31 $127,642,937 554,704
2020-12-31 $87,939,236 416,241
2020-09-30 $73,674,474 357,123
2020-06-30 $49,134,186 255,110