John Rogers - Ariel Appreciation Fund

Holding/activity history for  Bio-Rad Laboratories Inc. (BIO)

PeriodShares% of PortfolioActivity% Change to PortfolioReported Price
2024   Q3 66,738 2.23 Add 29.05% 0.50 $334.58
2024   Q2 51,713 1.48 Add 51.36% 0.50 $273.10
2024   Q1 34,165 1.12 Buy 1.12 $345.88
2017   Q4 0 0 Sell 100.00% 0.51
2017   Q3 38,725 0.51 $222.21
2017   Q2 38,725 0.52 Reduce 39.23% 0.34 $226.31
2017   Q1 63,725 0.75 Reduce 53.76% 0.87 $199.34
2016   Q4 137,825 1.51 Reduce 20.85% 0.40 $182.28
2016   Q3 174,125 1.69 $163.81
2016   Q2 174,125 1.52 $143.02
2016   Q1 174,125 1.39 $136.72
2015   Q4 174,125 1.36 $138.66
2015   Q3 174,125 1.33 Reduce 18.91% 0.31 $134.31
2015   Q2 214,725 1.64 $150.61
2015   Q1 214,725 1.44 $135.18
2014   Q4 214,725 1.28 $120.56
2014   Q3 214,725 1.32 $113.40
2014   Q2 214,725 1.29 Reduce 7.14% 0.10 $119.71
2014   Q1 231,225 1.49 Reduce 16.95% 0.30 $128.12
2013   Q4 278,425 1.74 $123.61
2013   Q3 278,425 1.84 Add 24.51% 0.36 $117.56
2013   Q2 223,625 1.55 $112.20
2013   Q1 223,625 1.86 $126.00
2012   Q4 223,625 1.85 $105.05
2012   Q3 223,625 1.85 $106.72
2012   Q2 223,625 1.77 Add 10.91% 0.17 $100.01
2012   Q1 201,625 1.50 $103.69
2011   Q4 201,625 1.56 $96.04
2011   Q3 201,625 1.62 $90.77
2011   Q2 201,625 1.58 Reduce 21.25% 0.43 $119.36
2011   Q1 256,025 2.00 Reduce 8.73% 0.19 $120.14
2010   Q4 280,525 1.99 $103.85
2010   Q3 280,525 1.92 $90.51
2010   Q2 280,525 1.92 $86.49
2010   Q1 280,525 1.87 $103.52
2009   Q4 280,525 1.94 $96.46
2009   Q3 280,525 2.11 Add 28.25% 0.46 $91.88
2009   Q2 218,725 1.75 Add 42.65% 0.52 $75.48
2009   Q1 153,325 1.36 Buy 1.36 $65.90