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 Plc (AON)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 1,087,114 0.98 Add 38.72% 0.27 $322.78 $350,898,657 SEC
2025   Q4 783,650 0.73 Reduce 44.60% 0.58 $352.88 $276,534,412 SEC
2025   Q3 1,414,618 1.31 Buy 1.31 $356.58 $504,424,486 SEC
2025   Q1 0 0.00 Sell 100.00% 0.84 SEC
2024   Q4 720,364 0.84 Add 27.94% 0.18 $359.16 $258,725,934 SEC
2024   Q3 563,027 0.71 Buy 0.71 $345.99 $194,801,712 SEC
2022   Q3 0 0.00 Sell 100.00% 0.87 SEC
2022   Q2 704,639 0.87 Reduce 55.77% 1.18 $269.68 $190,027,000 SEC
2022   Q1 1,593,080 2.11 Add 5.47% 0.11 $325.63 $518,755,000 SEC
2021   Q4 1,510,517 1.32 Buy 1.32 $300.56 $454,001,000 SEC
2021   Q3 0 0.00 Sell 100.00% 2.11 SEC
2021   Q2 2,903,054 2.11 Add 34.74% 0.54 $238.76 $693,133,000 SEC
2021   Q1 2,154,489 1.48 Reduce 16.19% 0.24 $230.11 $495,769,000 SEC
2020   Q4 2,570,620 1.50 Reduce 14.68% 0.33 $211.27 $543,095,000 SEC
2020   Q3 3,012,906 2.25 Add 1.92% 0.04 $206.30 $621,563,000 SEC
2020   Q2 2,956,029 2.46 Add 29.05% 0.55 $192.60 $569,331,000 SEC
2020   Q1 2,290,520 1.97 Add 196.69% 1.31 $165.04 $378,027,000 SEC
2019   Q4 772,027 0.75 Reduce 2.61% 0.02 $208.29 $160,806,000 SEC
2019   Q3 792,757 0.80 Reduce 6.93% 0.05 $193.57 $153,454,000 SEC
2019   Q2 851,778 0.74 Add 30.20% 0.17 $192.98 $164,376,000 SEC
2019   Q1 654,224 0.64 Add 24.90% 0.13 $170.70 $111,676,000 SEC
2018   Q4 523,807 0.44 Add 8.48% 0.03 $145.36 $76,141,000 SEC
2018   Q3 482,868 0.43 Buy 0.43 $153.78 $74,255,000 SEC
2016   Q3 0 0.00 Sell 100.00% 0.33 SEC
2016   Q2 703,995 0.33 Add 23.17% 0.06 $109.23 $76,897,000 SEC
2016   Q1 571,556 0.27 Buy 0.27 $104.45 $59,699,000 SEC
2015   Q3 0 0.00 Sell 100.00% 0.78 SEC
2015   Q2 1,912,946 0.78 Add 124.06% 0.43 $99.68 $190,682,000 SEC
2015   Q1 853,761 0.35 Buy 0.35 $96.12 $82,064,000 SEC
2014   Q4 0 0.00 Sell 100.00% 0.65 SEC
2014   Q3 1,662,625 0.65 Buy 0.65 $87.67 $145,762,000 SEC