BIOGEN INC. (BIIB) › Shares OutstandingBIOGEN INC. (BIIB) — Shares OutstandingAnnual figures by fiscal year, from SEC filings.2007: 320.17M2008: 294.98M2009: 289.48M2010: 254.87M2011: 245.03M2012: 239.74M2013: 238.30M2014: 237.20M2015: 231.20M2016: 218.80M2017: 213.00M2018: 205.30M2019: 187.40M2020: 161.30M2021: 149.60M2022: 146.00M2023: 145.60M2024: 145.90M2025: 147.10M147.10M2007Shares Outstanding (shares)2025Fiscal YearShares OutstandingChange YoY2025147.10M+0.8%2024145.90M+0.2%2023145.60M-0.3%2022146.00M-2.4%2021149.60M-7.3%2020161.30M-13.9%2019187.40M-8.7%2018205.30M-3.6%2017213.00M-2.7%2016218.80M-5.4%2015231.20M-2.5%2014237.20M-0.5%2013238.30M-0.6%2012239.74M-2.2%2011245.03M-3.9%2010254.87M-12.0%2009289.48M-1.9%2008294.98M-7.9%2007320.17M—Other metrics: RevenueCost of RevenueGross ProfitOperating IncomeNet IncomeEPS (Diluted)Total AssetsTotal LiabilitiesShareholders' EquityCash & EquivalentsOperating Cash FlowCapital ExpendituresDividends Per Share