Aon PLC

13F holders, Q1 2025 (March 31)
3holders
1new positions
1sold out
$399.16avg. 13F price*

At the end of Q1 2025, 3 institutions reported holding Aon PLC in their 13F filings, unchanged from Q4 2024. 1 opened new positions and 1 sold out. The largest holders were Ironwood Investment Management LLC ($221K), Asset Planning,Inc ($23K) and Lummis Asset Management, LP ($17K).

Company
Aon PLC
Filed as
AON Corporation (Q1 2025)
CUSIP
00BLP1HW5
Latest filing quarter
Q2 2026

History

Number of 13F holders

01234 Q1 2024: 4Q1 2024Q2 2024: 2Q2 2024Q3 2024: 1Q3 2024Q4 2024: 3Q4 2024Q1 2025: 3Q1 2025Q2 2025: 2Q2 2025Q3 2025: 2Q3 2025Q4 2025: 2Q4 2025Q1 2026: 2Q1 2026Q2 2026: 2Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions1$221K
Exits1$415K

All 13F filers, Q4 2024 → Q1 2025: 555 shares bought and 1,155 shares sold, net −600 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 3 holders

Ironwood Investment Management LLC 0.12% New 555 $221K
Asset Planning,Inc 0.02% No change 58 $23K
Lummis Asset Management, LP 0.01% No change 43 $17K

"% of holder's portfolio" is AON PLC's weight in each manager's 13F, not the share of Aon PLC the manager owns.