Lee Ainslie - Maverick Capital Ltd
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    239
Portfolio value:    $8,599,101,588
Holdings Activity Buys Sells    History
Holding/activity history for  Biogen Inc. (BIIB)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2024   Q1 0 0.00 Sell 100.00% 0.01 SEC
2023   Q4 1,600 0.01 Buy 0.01 $258.77 $414,032 SEC
2023   Q3 0 0.00 Sell 100.00% 0.01 SEC
2023   Q2 983 0.01 Buy 0.01 $284.85 $280,008 SEC
2021   Q4 0 0.00 Sell 100.00% 0.01 SEC
2021   Q3 3,112 0.01 Buy 0.01 $283.10 $881,000 SEC
2020   Q4 0 0.00 Sell 100.00% 0.01 SEC
2020   Q3 1,436 0.01 Reduce 68.10% 0.02 $283.43 $407,000 SEC
2020   Q2 4,501 0.03 Buy 0.03 $267.50 $1,204,000 SEC
2019   Q4 0 0.00 Sell 100.00% 0.02 SEC
2019   Q3 4,919 0.02 Buy 0.02 $232.77 $1,145,000 SEC
2017   Q3 0 0.00 Sell 100.00% 0.05 SEC
2017   Q2 15,230 0.05 Add 58.48% 0.02 $271.37 $4,133,000 SEC
2017   Q1 9,610 0.03 Reduce 11.67% <0.01 $273.47 $2,628,000 SEC
2016   Q4 10,880 0.04 Add 4.82% <0.01 $283.55 $3,085,000 SEC
2016   Q3 10,380 0.04 Reduce 5.72% <0.01 $313.01 $3,249,000 SEC
2016   Q2 11,010 0.04 Add 17.50% <0.01 $241.78 $2,662,000 SEC
2016   Q1 9,370 0.04 Buy 0.04 $260.30 $2,439,000 SEC
2009   Q2 0 0.00 Sell 100.00% 0.22 SEC
2009   Q1 212,857 0.22 Reduce 88.56% 1.72 $52.42 $11,158,000 SEC
2008   Q4 1,860,560 1.94 Buy 1.94 $47.63 $88,618,000 SEC
2008   Q1 0 0.00 Sell 100.00% 0.70 SEC
2007   Q4 1,166,940 0.70 Buy 0.70 $56.92 $66,422,000 SEC
2006   Q2 0 0.00 Sell 100.00% 1.27 SEC
2006   Q1 1,845,114 1.27 Add 129.17% 0.72 $47.10 $86,905,000 SEC
2005   Q4 805,114 0.43 Buy 0.43 $45.28 $36,456,000 SEC
2004   Q1 0 0.00 Sell 100.00% 1.35 SEC
2003   Q4 2,895,000 1.35 Buy 1.35 $36.70 $106,247,000 SEC