Holding/activity history for Martin Marietta (MLM)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2010 Q2 | 0 | 0 | Sell 100.00% | 3.39 | |
| 2010 Q1 | 916,899 | 3.39 | Reduce 29.09% | 1.39 | $83.55 |
| 2009 Q4 | 1,293,000 | 4.83 | Reduce 10.04% | 0.54 | $89.41 |
| 2009 Q3 | 1,437,304 | 5.87 | Reduce 18.09% | 1.30 | $92.07 |
| 2009 Q2 | 1,754,749 | 7.09 | Reduce 0.11% | 0.01 | $78.88 |
| 2009 Q1 | 1,756,749 | 7.51 | $79.30 | ||
| 2008 Q4 | 1,756,749 | 8.35 | $97.08 | ||
| 2008 Q3 | 1,756,749 | 7.45 | $111.98 | ||
| 2008 Q2 | 1,756,749 | 6.43 | $103.59 | ||
| 2008 Q1 | 1,756,749 | 6.14 | $106.17 | ||
| 2007 Q4 | 1,756,749 | 6.84 | Add 16.27% | 0.96 | $132.60 |
| 2007 Q3 | 1,510,900 | 5.77 | Buy | 5.77 | $133.55 |