Skip to main content
Livermore
Livermore
ZHEN

First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

AON holding history

Aon plc in every 13F filed by First Manhattan Co, 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 Q2 2026 holdings

Shares (Q2 2026)
21,562
Value
$7.15M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of AON by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202621,562$7.15M<0.1%−1,509−6.5%ReducedHolders
Q1 202623,071$7.45M<0.1%−2,385−9.4%ReducedHolders
Q4 202525,456$8.98M<0.1%−1,326−5.0%ReducedHolders
Q3 202526,782$9.55M<0.1%−1,560−5.5%ReducedHolders
Q2 202528,342$10.1M<0.1%−239−0.8%ReducedHolders
Q1 202528,581$11.4M<0.1%−391−1.3%ReducedHolders
Q4 202428,972$10.4M<0.1%−50−0.2%ReducedHolders
Q3 202429,022$10.0M<0.1%−1,106−3.7%ReducedHolders
Q2 202430,128$8.84M<0.1%+490+1.7%AddedHolders
Q1 202429,638$9.89M<0.1%−202−0.7%ReducedHolders
Q4 202329,840$8.68M<0.1%+29+0.1%AddedHolders
Q3 202329,811$9.67M<0.1%−2,751−8.4%ReducedHolders
Q2 202332,562$11.2M<0.1%−780−2.3%ReducedHolders
Q1 202333,342$10.5M<0.1%−343−1.0%ReducedHolders
Q4 202233,685$10.1M<0.1%−948−2.7%ReducedHolders
Q3 202234,633$9.28M<0.1%−960−2.7%ReducedHolders
Q2 202235,593$9.60M<0.1%−325−0.9%ReducedHolders
Q1 202235,918$11.7M<0.1%+22,067+159.3%AddedHolders
Q4 202113,851$4.16M<0.1%−1,644−10.6%ReducedHolders
Q3 202115,495$4.43M<0.1%−20,315−56.7%ReducedHolders
Q2 202135,810$8.55M<0.1%−701−1.9%ReducedHolders
Q1 202136,511$8.40M<0.1%––Holders

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