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Livermore
Livermore
ZHEN

Vanguard Group Inc

SEC CIK
0000102909
Latest filing
Jan 29, 2026

AON holding history

Aon plc in every 13F filed by Vanguard Group Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

AON overviewAll 13F holders of AONFull Q4 2025 holdings

Shares (Q4 2025)
20,171,049
Value
$7.12B
% of portfolio
0.1%
Quarters held
20
Since Q1 2021
Holdings of AON by Vanguard Group Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 202520,171,049$7.12B0.1%+191,658+1.0%AddedHolders
Q3 202519,979,391$7.12B0.1%−310,352−1.5%ReducedHolders
Q2 202520,289,743$7.24B0.1%+511,292+2.6%AddedHolders
Q1 202519,778,451$7.89B0.1%+258,699+1.3%AddedHolders
Q4 202419,519,752$7.01B0.1%+88,361+0.5%AddedHolders
Q3 202419,431,391$6.72B0.1%+123,724+0.6%AddedHolders
Q2 202419,307,667$5.67B0.1%+1,645,995+9.3%AddedHolders
Q1 202417,661,672$5.89B0.1%+64,500+0.4%AddedHolders
Q4 202317,597,172$5.12B0.1%+38,761+0.2%AddedHolders
Q3 202317,558,411$5.69B0.1%−19,632−0.1%ReducedHolders
Q2 202317,578,043$6.07B0.1%−207,661−1.2%ReducedHolders
Q1 202317,785,704$5.61B0.1%−225,735−1.3%ReducedHolders
Q4 202218,011,439$5.41B0.1%−23,018−0.1%ReducedHolders
Q3 202218,034,457$4.83B0.1%+111,820+0.6%AddedHolders
Q2 202217,922,637$4.83B0.1%+25,001+0.1%AddedHolders
Q1 202217,897,636$5.83B0.1%+1,172,671+7.0%AddedHolders
Q4 202116,724,965$5.03B0.1%−327,736−1.9%ReducedHolders
Q3 202117,052,701$4.87B0.1%+96,676+0.6%AddedHolders
Q2 202116,956,025$4.05B0.1%−483,592−2.8%ReducedHolders
Q1 202117,439,617$4.01B0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.