ImmunoGen Inc
| Year | Mar | Jun | Sep | Dec | Annual | |
|---|---|---|---|---|---|---|
| 2023 | -0.16 | -0.02 | 0.10 | - | - | |
| 2022 | -0.1 | -0.24 | -0.31 | -0.23 | -0.88 | |
| 2021 | -0.17 | -0.15 | -0.18 | -0.18 | -0.68 | |
| 2020 | -0.17 | -0.14 | -0.13 | 0.19 | -0.25 | |
| 2019 | -0.3 | -0.29 | -0.15 | 0.04 | -0.7 | |
| 2018 | -0.3 | -0.31 | -0.32 | -0.28 | -1.21 | |
| 2017 | 0.20 | 0.10 | 0.37 | 0.10 | 0.77 | |
| 2016 | 0.37 | 0.51 | 0.46 | 0.39 | 1.73 | |
| 2015 | 0.25 | 0.35 | 0.39 | 0.38 | 1.37 | |
| 2014 | -0.44 | 0.00 | -0.26 | 0.16 | -0.83 | |
| 2013 | -0.02 | 0.00 | -0.13 | 0.04 | -0.87 | |
| 2012 | -0.24 | 0.00 | -0.30 | -0.29 | -0.95 | |
| 2011 | -0.22 | 0.00 | -0.26 | -0.17 | -0.85 | |
| 2010 | -0.21 | 0.00 | -0.19 | -0.21 | -0.87 | |
| 2009 | -0.09 | 0.00 | -0.22 | -0.23 | -0.63 | |
| 2008 | -0.30 | 0.00 | -0.19 | -0.14 | -0.75 | |
| 2007 | -0.12 | 0.00 | -0.02 | -0.15 | -0.45 | |
| 2006 | -0.07 | 0.00 | -0.15 | -0.07 | -0.43 | |
| 2005 | -0.09 | 0.00 | -0.11 | -0.09 | -0.27 |