Holding/activity history for Core Laboratories Inc. (CLB)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2018 Q4 | 0 | 0 | Sell 100.00% | 0.90 | |
| 2018 Q3 | 50,000 | 0.90 | Reduce 16.67% | 0.18 | $115.84 |
| 2018 Q2 | 60,000 | 1.19 | $126.22 | ||
| 2018 Q1 | 60,000 | 1.06 | Add 15.38% | 0.14 | $108.22 |
| 2017 Q4 | 52,000 | 0.93 | Buy | 0.93 | $109.56 |
| 2016 Q1 | 0 | 0 | Sell 100.00% | 1.25 | |
| 2015 Q4 | 62,900 | 1.25 | $108.74 | ||
| 2015 Q3 | 62,900 | 1.17 | Add 105.79% | 0.60 | $99.79 |
| 2015 Q2 | 30,565 | 0.56 | $114.05 | ||
| 2015 Q1 | 30,565 | 0.49 | Buy | 0.49 | $104.50 |