Thomas Gayner - Markel Asset Management
Holding/activity history for Carbo Ceramics (CRR)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2016 Q3 | 0 | 0 | Sell 100.00% | 0.07 | |
| 2016 Q2 | 215,000 | 0.07 | $13.10 | ||
| 2016 Q1 | 215,000 | 0.08 | $14.20 | ||
| 2015 Q4 | 215,000 | 0.10 | $17.20 | ||
| 2015 Q3 | 215,000 | 0.11 | $18.99 | ||
| 2015 Q2 | 215,000 | 0.22 | Add 7.50% | 0.02 | $41.63 |
| 2015 Q1 | 200,000 | 0.15 | Add 227.87% | 0.10 | $30.51 |
| 2014 Q4 | 61,000 | 0.06 | Buy | 0.06 | $40.05 |
| 2013 Q4 | 0 | 0 | Sell 100.00% | 0.80 | |
| 2013 Q3 | 236,000 | 0.80 | Add 8.26% | 0.06 | $99.11 |
| 2013 Q2 | 218,000 | 0.53 | Add 17.20% | 0.08 | $67.43 |
| 2013 Q1 | 186,000 | 0.63 | Add 7.51% | 0.04 | $91.07 |
| 2012 Q4 | 173,000 | 0.56 | Add 11.61% | 0.06 | $78.34 |
| 2012 Q3 | 155,000 | 0.42 | Add 124.64% | 0.23 | $62.92 |
| 2012 Q2 | 69,000 | 0.24 | Add 56.82% | 0.09 | $76.72 |
| 2012 Q1 | 44,000 | 0.21 | Buy | 0.21 | $105.45 |