Mason Hawkins - Southeastern Asset Management
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    49
Portfolio value:    $2,032,773,449
Holdings Activity Buys Sells    History
Holding/activity history for  Aon plc (AON)
← All AON superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2016   Q2 0 0.00 Sell 100.00% 0.49 $100.55–111.71 · VW $107.87i SEC
2016   Q1 485,792 0.49 Reduce 93.31% 5.65 $95.60–109.65 · VW $104.84i $50,741,000 SEC
2015   Q4 7,258,081 6.06 Reduce 21.44% 1.48 $83.83–97.79 · VW $92.30i $669,267,000 SEC
2015   Q3 9,239,438 6.91 Reduce 16.07% 1.19 $86.38–95.75 · VW $92.29i $818,707,000 SEC
2015   Q2 11,008,360 7.38 Add 47.39% 2.37 $89.27–104.70 · VW $95.80i $1,097,313,000 SEC
2015   Q1 7,468,763 4.56 Reduce 8.62% 0.39 $95.29–103.40 · VW $99.97i $717,898,000 SEC
2014   Q4 8,173,576 4.51 Reduce 4.41% 0.18 $89.35–107.08 · VW $98.93i $775,100,000 SEC
2014   Q3 8,550,838 4.09 Reduce 6.75% 0.30 $78.26–92.70 · VW $87.82i $749,652,000 SEC
2014   Q2 9,169,828 4.39 Reduce 8.91% 0.41 $83.06–91.28 · VW $87.17i $826,109,000 SEC
2014   Q1 10,067,298 4.61 Reduce 2.63% 0.11 $78.60–90.06 · VW $86.20i $848,472,000 SEC
2013   Q4 10,339,122 4.25 Reduce 33.40% 1.96 $76.49–87.27 · VW $83.12i $867,349,000 SEC
2013   Q3 15,524,966 5.86 Reduce 17.86% 1.09 $65.91–82.55 · VW $76.70i $1,155,678,000 SEC
2013   Q2 18,901,702 6.08 Reduce 5.88% 0.33 $62.19–69.59 · VW $66.05i $1,216,325,000 SEC
2013   Q1 20,082,577 5.64 Reduce 2.45% 0.13 $58.48–67.26 · VW $63.14i $1,235,079,000 SEC
2012   Q4 20,586,365 5.29 Reduce 21.82% 1.42 $54.65–61.87 · VW $59.20i $1,144,808,000 SEC
2012   Q3 26,332,239 6.49 Reduce 2.46% 0.15 $51.42–57.92 · VW $55.38i $1,376,913,000 SEC
2012   Q2 26,995,051 6.27 Buy 6.27 $45.04–53.35 · VW $50.12i $1,262,829,000 SEC
Price snapshot:
Current price$367.35
52-week low$303.79
52-week high$379.20