Bill Nygren - Harris Associates L P
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    156
Portfolio value:    $74,879,237,060
Holdings Activity Buys Sells    History
Holding/activity history for  Aon Plc (AON)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 0 0.00 Sell 100.00% <0.01 SEC
2025   Q4 699 <0.01 Reduce 0.71% $352.88 $246,663 SEC
2025   Q3 704 <0.01 Add 0.72% $356.58 $251,032 SEC
2025   Q2 699 <0.01 Buy <0.01 $356.76 $249,375 SEC
2023   Q2 0 0.00 Sell 100.00% <0.01 SEC
2023   Q1 1,910 <0.01 $315.29 $602,204 SEC
2022   Q4 1,910 <0.01 Reduce 54.42% <0.01 $300.14 $573,267 SEC
2022   Q3 4,190 <0.01 Reduce 1.18% $267.78 $1,122,000 SEC
2022   Q2 4,240 <0.01 Reduce 5.36% <0.01 $269.58 $1,143,000 SEC
2022   Q1 4,480 <0.01 Reduce 58.15% <0.01 $325.67 $1,459,000 SEC
2021   Q4 10,705 0.01 Reduce 26.60% <0.01 $300.51 $3,217,000 SEC
2021   Q3 14,584 0.01 Reduce 5.96% <0.01 $285.79 $4,168,000 SEC
2021   Q2 15,508 0.01 $238.78 $3,703,000 SEC
2021   Q1 15,508 0.01 Add 48.33% <0.01 $230.14 $3,569,000 SEC
2020   Q4 10,455 <0.01 Reduce 1.92% <0.01 $211.29 $2,209,000 SEC
2020   Q3 10,660 0.01 Reduce 87.15% 0.03 $206.29 $2,199,000 SEC
2020   Q2 82,969 0.04 Buy 0.04 $192.60 $15,980,000 SEC
2020   Q1 0 0.00 Sell 100.00% 0.09 SEC
2019   Q4 237,977 0.09 Reduce 8.19% <0.01 $208.29 $49,568,000 SEC
2019   Q3 259,192 0.10 Reduce 18.19% 0.02 $193.57 $50,172,000 SEC
2019   Q2 316,841 0.11 Reduce 6.63% <0.01 $192.98 $61,144,000 SEC
2019   Q1 339,342 0.11 Reduce 70.47% 0.24 $170.70 $57,926,000 SEC
2018   Q4 1,149,105 0.34 Reduce 50.10% 0.28 $145.36 $167,034,000 SEC
2018   Q3 2,302,911 0.56 Reduce 3.74% 0.02 $153.78 $354,142,000 SEC
2018   Q2 2,392,409 0.53 Reduce 26.16% 0.20 $137.17 $328,167,000 SEC
2018   Q1 3,239,826 0.77 Reduce 15.80% 0.13 $140.33 $454,645,000 SEC
2017   Q4 3,847,763 0.85 Reduce 0.66% <0.01 $134.00 $515,600,000 SEC
2017   Q3 3,873,439 0.97 Reduce 19.50% 0.23 $146.10 $565,909,000 SEC
2017   Q2 4,811,614 1.17 Reduce 28.32% 0.42 $132.95 $639,704,000 SEC
2017   Q1 6,712,360 1.47 Reduce 0.76% 0.01 $118.69 $796,690,000 SEC
2016   Q4 6,763,670 1.47 Reduce 5.19% 0.08 $111.53 $754,352,000 SEC
2016   Q3 7,134,245 1.62 Reduce 9.02% 0.16 $112.49 $802,532,000 SEC
2016   Q2 7,841,660 1.76 Reduce 11.62% 0.21 $109.23 $856,544,000 SEC
2016   Q1 8,872,540 1.77 Reduce 23.25% 0.43 $104.45 $926,737,000 SEC
2015   Q4 11,560,054 1.86 Reduce 1.67% 0.03 $92.21 $1,065,953,000 SEC
2015   Q3 11,755,909 1.87 Reduce 1.71% 0.03 $88.61 $1,041,691,000 SEC
2015   Q2 11,959,829 1.95 Add 2.88% 0.05 $99.68 $1,192,156,000 SEC
2015   Q1 11,624,927 1.81 Add 1.28% 0.02 $96.12 $1,117,388,000 SEC
2014   Q4 11,478,256 1.73 Add 5.87% 0.10 $94.83 $1,088,483,000 SEC
2014   Q3 10,841,998 1.60 Add 6.35% 0.10 $87.67 $950,518,000 SEC
2014   Q2 10,194,836 1.59 Add 14.70% 0.20 $90.09 $918,453,000 SEC
2014   Q1 8,888,203 1.38 Reduce 0.93% 0.01 $84.28 $749,097,000 SEC
2013   Q4 8,971,660 1.38 Add 325.15% 1.06 $83.89 $752,633,000 SEC
2013   Q3 2,110,240 0.31 Reduce 0.86% <0.01 $74.44 $157,086,000 SEC
2013   Q2 2,128,540 0.29 Add 19.68% 0.05 $64.35 $136,972,000 SEC
2013   Q1 1,778,540 0.25 Add 0.11% <0.01 $61.50 $109,380,000 SEC
2012   Q4 1,776,500 0.24 Add 26.31% 0.05 $55.60 $98,773,000 SEC
2012   Q3 1,406,500 0.19 Add 7.65% 0.01 $52.29 $73,546,000 SEC
2012   Q2 1,306,500 0.16 Buy 0.16 $46.78 $61,118,000 SEC