Holding/activity history for Charles River Labs (CRL)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2009 Q1 | 0 | 0 | Sell 100.00% | 0.54 | |
| 2008 Q4 | 181,700 | 0.54 | Reduce 23.88% | 0.17 | $26.20 |
| 2008 Q3 | 238,700 | 1.10 | Reduce 23.25% | 0.33 | $55.53 |
| 2008 Q2 | 311,000 | 1.59 | Reduce 33.56% | 0.80 | $63.92 |
| 2008 Q1 | 468,100 | 2.12 | Reduce 19.00% | 0.50 | $58.94 |
| 2007 Q4 | 577,900 | 2.52 | $65.80 | ||
| 2007 Q3 | 577,900 | 1.97 | Add 11.16% | 0.20 | $56.15 |
| 2007 Q2 | 519,900 | 1.56 | Add 19.49% | 0.25 | $51.62 |
| 2007 Q1 | 435,100 | 1.18 | Buy | 1.18 | $46.26 |