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  Aetna Inc New (AET)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2018   Q3 0 0.00 Sell 100.00% 0.30 SEC
2018   Q2 268,035 0.30 Buy 0.30 $183.50 $49,184,000 SEC
2016   Q3 0 0.00 Sell 100.00% 0.51 SEC
2016   Q2 961,700 0.51 Reduce 75.07% 1.46 $122.13 $117,452,000 SEC
2016   Q1 3,857,803 1.94 Add 209.34% 1.31 $112.35 $433,424,000 SEC
2015   Q4 1,247,101 0.54 Reduce 64.16% 1.01 $108.12 $134,837,000 SEC
2015   Q3 3,479,173 1.58 Add 12.32% 0.17 $109.41 $380,656,000 SEC
2015   Q2 3,097,599 1.62 Buy 1.62 $127.46 $394,820,000 SEC
2013   Q4 0 0.00 Sell 100.00% 0.06 SEC
2013   Q3 160,076 0.06 Reduce 84.90% 0.35 $64.02 $10,248,000 SEC
2013   Q2 1,060,000 0.41 Reduce 17.45% 0.10 $63.54 $67,352,000 SEC
2013   Q1 1,284,000 0.55 Buy 0.55 $51.12 $65,638,000 SEC
2012   Q2 0 0.00 Sell 100.00% 0.29 SEC
2012   Q1 472,020 0.29 Buy 0.29 $50.16 $23,676,000 SEC
2011   Q3 0 0.00 Sell 100.00% 1.03 SEC
2011   Q2 1,867,100 1.03 Add 58.90% 0.38 $44.09 $82,320,000 SEC
2011   Q1 1,175,045 0.60 Buy 0.60 $37.43 $43,981,000 SEC
2010   Q1 0 0.00 Sell 100.00% 2.83 SEC
2009   Q4 5,968,400 2.83 Buy 2.83 $31.70 $189,198,000 SEC