David Einhorn - Greenlight Capital
Holding/activity history for Medicines Company (MDCO-OLD)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2020 Q1 | 0 | 0 | Sell 100.00% | 1.45 | |
| 2019 Q4 | 229,900 | 1.45 | Reduce 68.58% | 3.16 | $84.94 |
| 2019 Q3 | 731,600 | 2.63 | $50.00 | ||
| 2019 Q2 | 731,600 | 1.97 | Reduce 22.89% | 0.58 | $36.47 |
| 2019 Q1 | 948,800 | 1.88 | $27.95 | ||
| 2018 Q4 | 948,800 | 1.31 | $19.14 | ||
| 2018 Q3 | 948,800 | 1.20 | Reduce 5.12% | 0.06 | $29.91 |
| 2018 Q2 | 1,000,000 | 1.17 | $36.70 | ||
| 2018 Q1 | 1,000,000 | 0.83 | $32.94 | ||
| 2017 Q4 | 1,000,000 | 0.50 | Buy | 0.50 | $27.34 |