Biogen Inc. (BIIB): Weighted Average Diluted Shares
147.10M
Year ended 2025-12-31
+0.3%
3-year compound annual growth
-1.8%
5-year compound annual growth
-4.4%
10-year compound annual growth
| Period ended | Weighted Average Diluted Shares | Change YoY | Source filing |
|---|---|---|---|
| 2025-12-31 | 147.10M | +0.8% | 2026-02-06, From 2025-01-01 |
| 2024-12-31 | 145.90M | +0.2% | 2026-02-06, From 2024-01-01 |
| 2023-12-31 | 145.60M | -0.3% | 2026-02-06, From 2023-01-01 |
| 2022-12-31 | 146.00M | -2.4% | 2025-02-12, From 2022-01-01 |
| 2021-12-31 | 149.60M | -7.3% | 2024-02-14, From 2021-01-01 |
| 2020-12-31 | 161.30M | -13.9% | 2023-02-15, From 2020-01-01 |
| 2019-12-31 | 187.40M | -8.7% | 2022-02-03, From 2019-01-01 |
| 2018-12-31 | 205.30M | -3.6% | 2021-02-03, From 2018-01-01 |
| 2017-12-31 | 213.00M | -2.7% | 2020-02-06, From 2017-01-01 |
| 2016-12-31 | 218.80M | -5.4% | 2019-02-06, From 2016-01-01 |
| 2015-12-31 | 231.20M | -2.5% | 2018-02-01, From 2015-01-01 |
| 2014-12-31 | 237.20M | -0.5% | 2017-02-02, From 2014-01-01 |
| 2013-12-31 | 238.30M | -0.6% | 2016-02-03, From 2013-01-01 |
| 2012-12-31 | 239.74M | -2.2% | 2015-02-04, From 2012-01-01 |
| 2011-12-31 | 245.03M | -3.9% | 2014-02-06, From 2011-01-01 |
| 2010-12-31 | 254.87M | -12.0% | 2013-02-05, From 2010-01-01 |
| 2009-12-31 | 289.48M | -1.9% | 2012-02-03, From 2009-01-01 |
| 2008-12-31 | 294.98M | -7.9% | 2011-02-04, From 2008-01-01 |
| 2007-12-31 | 320.17M | n/a | 2010-02-09, From 2007-01-01 |