Andreas Halvorsen - Viking Global Investors
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    77
Portfolio value:    $35,748,670,967
Holdings Activity Buys Sells    History
Holding/activity history for  Aon Corp (AON-W)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2011   Q2 0 0.00 Sell 100.00% 0.92 SEC
2011   Q1 1,262,050 0.92 Reduce 75.16% 2.17 $52.96 $66,838,000 SEC
2010   Q4 5,081,100 2.89 Add 14.01% 0.36 $46.01 $233,781,000 SEC
2010   Q3 4,456,900 2.45 Buy 2.45 $39.11 $174,309,000 SEC
2010   Q1 0 0.00 Sell 100.00% 2.28 SEC
2009   Q4 3,982,300 2.28 Reduce 0.14% <0.01 $38.34 $152,681,000 SEC
2009   Q3 3,987,831 2.70 Buy 2.70 $40.69 $162,264,000 SEC
2009   Q2 0 0.00 Sell 100.00% 1.35 SEC
2009   Q1 819,000 1.35 Reduce 34.43% 0.68 $40.82 $33,431,000 SEC
2008   Q4 1,249,000 1.97 Reduce 25.52% 0.71 $45.68 $57,054,000 SEC
2008   Q3 1,677,000 2.80 Reduce 61.72% 3.02 $44.96 $75,397,000 SEC
2008   Q2 4,381,000 4.89 Reduce 8.10% 0.39 $45.94 $201,263,000 SEC
2008   Q1 4,767,000 4.80 Add 24.95% 0.96 $40.20 $191,633,000 SEC
2007   Q4 3,815,000 4.39 Add 105.44% 2.25 $47.69 $181,937,000 SEC
2007   Q3 1,857,000 2.42 Buy 2.42 $44.81 $83,212,000 SEC
2006   Q4 0 0.00 Sell 100.00% 1.31 SEC
2006   Q3 1,181,800 1.31 Reduce 66.04% 2.73 $33.87 $40,027,000 SEC
2006   Q2 3,480,200 4.14 Reduce 10.61% 0.61 $34.82 $121,180,000 SEC
2006   Q1 3,893,300 5.78 Add 114.28% 3.08 $41.51 $161,610,000 SEC
2005   Q4 1,816,900 2.95 Reduce 29.88% 1.18 $35.95 $65,317,000 SEC
2005   Q3 2,591,000 3.94 Add 225.91% 2.73 $32.08 $83,119,000 SEC
2005   Q2 795,000 1.01 Buy 1.01 $25.04 $19,906,000 SEC