John Rogers - Ariel Appreciation Fund
Holding/activity history for Bio-Rad Laboratories Inc. (BIO)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 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 |