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)
← All AON superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 1,087,114 0.98 Add 38.72% 0.27 $306.52–344.65 · VW $322.41i $350,898,657 SEC
2025   Q4 783,650 0.73 Reduce 44.60% 0.58 $304.59–358.55 · VW $332.87i $276,534,412 SEC
2025   Q3 1,414,618 1.31 Buy 1.31 $324.28–375.87 · VW $351.36i $504,424,486 SEC
2025   Q1 0 0.00 Sell 100.00% 0.84 $323.73–412.97 · VW $369.59i SEC
2024   Q4 720,364 0.84 Add 27.94% 0.18 $346.07–409.99 · VW $388.39i $258,725,934 SEC
2024   Q3 563,027 0.71 Buy 0.71 $339.29–395.33 · VW $375.39i $194,801,712 SEC
2022   Q3 0 0.00 Sell 100.00% 0.87 $266.35–309.00 · VW $294.54i SEC
2022   Q2 704,639 0.87 Reduce 55.77% 1.18 $246.21–303.29 · VW $276.25i $190,027,000 SEC
2022   Q1 1,593,080 2.11 Add 5.47% 0.11 $255.90–341.98 · VW $291.18i $518,755,000 SEC
2021   Q4 1,510,517 1.32 Buy 1.32 $259.59–303.92 · VW $285.22i $454,001,000 SEC
2021   Q3 0 0.00 Sell 100.00% 2.11 $283.56–326.25 · VW $301.86i SEC
2021   Q2 2,903,054 2.11 Add 34.74% 0.54 $223.19–288.42 · VW $266.16i $693,133,000 SEC
2021   Q1 2,154,489 1.48 Reduce 16.19% 0.24 $221.82–260.97 · VW $245.39i $495,769,000 SEC
2020   Q4 2,570,620 1.50 Reduce 14.68% 0.33 $200.65–235.88 · VW $221.41i $543,095,000 SEC
2020   Q3 3,012,906 2.25 Add 1.92% 0.04 $179.52–216.49 · VW $200.30i $621,563,000 SEC
2020   Q2 2,956,029 2.46 Add 29.05% 0.55 $177.21–208.74 · VW $195.31i $569,331,000 SEC
2020   Q1 2,290,520 1.97 Add 196.69% 1.31 $143.93–225.56 · VW $188.81i $378,027,000 SEC
2019   Q4 772,027 0.75 Reduce 2.61% 0.02 $198.60–238.19 · VW $214.93i $160,806,000 SEC
2019   Q3 792,757 0.80 Reduce 6.93% 0.05 $184.52–205.87 · VW $198.00i $153,454,000 SEC
2019   Q2 851,778 0.74 Add 30.20% 0.17 $179.93–198.61 · VW $191.13i $164,376,000 SEC
2019   Q1 654,224 0.64 Add 24.90% 0.13 $156.09–182.61 · VW $172.92i $111,676,000 SEC
2018   Q4 523,807 0.44 Add 8.48% 0.03 $135.30–173.53 · VW $160.12i $76,141,000 SEC
2018   Q3 482,868 0.43 Buy 0.43 $144.84–166.41 · VW $158.79i $74,255,000 SEC
2016   Q3 0 0.00 Sell 100.00% 0.33 $107.19–114.50 · VW $111.93i SEC
2016   Q2 703,995 0.33 Add 23.17% 0.06 $100.55–111.71 · VW $107.87i $76,897,000 SEC
2016   Q1 571,556 0.27 Buy 0.27 $95.60–109.65 · VW $104.84i $59,699,000 SEC
2015   Q3 0 0.00 Sell 100.00% 0.78 $86.38–95.75 · VW $92.29i SEC
2015   Q2 1,912,946 0.78 Add 124.06% 0.43 $89.27–104.70 · VW $95.80i $190,682,000 SEC
2015   Q1 853,761 0.35 Buy 0.35 $95.29–103.40 · VW $99.97i $82,064,000 SEC
2014   Q4 0 0.00 Sell 100.00% 0.65 $89.35–107.08 · VW $98.93i SEC
2014   Q3 1,662,625 0.65 Buy 0.65 $78.26–92.70 · VW $87.82i $145,762,000 SEC
Price snapshot:
Current price$367.35
Avg. buy price$347.14
+/- since buy5.82%
52-week low$303.79
52-week high$379.20