57/100B251.410
USD
0.89
(0.36%)
Market Open
Last updated: · Delayed 15 min
Fair value393.61Plus-36%295Price 251.41492
Q4 FY2026 · Earnings report
EPS estimate 2.81Revenue estimate 2.61B
Q4 FY2026 · Earnings report
EPS estimate 2.81Revenue estimate 2.61B
Biogen shares outstanding 1985–2026What are shares outstanding? Shares outstanding are all the shares a company has issued that investors hold, insiders included. Their number times the share price is the market value.
Biogen had 147,820,000 shares outstanding on 13 November 2026. Biogen had 147.90M diluted shares on average over the last twelve months, up 1.1% on the twelve months before. In fiscal year 2025 the average was 146.70M.
Last updated 9 Nov 2026 · Next report 5 Feb 2027
Shares outstanding
Change on the year
| Fiscal year | Period ending | Shares outstanding | Change on the year | Basic shares |
|---|---|---|---|---|
| TTM | 30 Sept 2026 | 147.90M | +1.13% | 147.35M |
| FY2025 | 31 Dec 2025 | 146.70M | +0.55% | 146.70M |
| FY2024 | 31 Dec 2024 | 145.90M | +0.21% | 145.70M |
| FY2023 | 31 Dec 2023 | 145.60M | -0.27% | 144.70M |
| FY2022 | 31 Dec 2022 | 146.00M | -2.41% | 145.30M |
| FY2021 | 31 Dec 2021 | 149.60M | -7.25% | 149.10M |
| FY2020 | 31 Dec 2020 | 161.30M | -13.93% | 160.90M |
| FY2019 | 31 Dec 2019 | 187.40M | -8.72% | 187.10M |
| FY2018 | 31 Dec 2018 | 205.30M | -3.62% | 204.90M |
| FY2017 | 31 Dec 2017 | 213.00M | -2.65% | 212.60M |
| FY2016 | 31 Dec 2016 | 218.80M | -5.36% | 218.40M |
| FY2015 | 31 Dec 2015 | 231.20M | -2.52% | 230.70M |
| FY2014 | 31 Dec 2014 | 237.18M | -0.48% | 236.36M |
| FY2013 | 31 Dec 2013 | 238.31M | -0.60% | 236.92M |
| FY2012 | 31 Dec 2012 | 239.74M | -2.16% | 237.94M |
| FY2011 | 31 Dec 2011 | 245.03M | -3.86% | 242.40M |
| FY2010 | 31 Dec 2010 | 254.87M | -11.96% | 252.31M |
| FY2009 | 31 Dec 2009 | 289.48M | -1.87% | 287.36M |
| FY2008 | 31 Dec 2008 | 294.98M | -7.87% | 292.33M |
| FY2007 | 31 Dec 2007 | 320.17M | -7.27% | 315.84M |
| FY2006 | 31 Dec 2006 | 345.28M | -0.25% | 338.59M |
| FY2005 | 31 Dec 2005 | 346.16M | +0.78% | 335.59M |
| FY2004 | 31 Dec 2004 | 343.48M | +2.93% | 335.00M |
| FY2003 | 31 Dec 2003 | 333.70M | -16.31% | 333.70M |
| FY2002 | 31 Dec 2002 | 398.75M | 0.00% | 389.96M |
| FY2001 | 31 Dec 2001 | 398.75M | -14.03% | 389.96M |
| FY2000 | 31 Dec 2000 | 463.81M | -2.02% | 446.23M |
| FY1999 | 31 Dec 1999 | 473.36M | -49.94% | 449.76M |
| FY1998 | 31 Dec 1998 | 945.52M | +2.03% | 884.52M |
| FY1997 | 31 Dec 1997 | 926.67M | +0.41% | 877.90M |
| FY1996 | 31 Dec 1996 | 922.86M | +30.90% | 850.00M |
| FY1995 | 31 Dec 1995 | 705.00M | -13.60% | 705.00M |
| FY1994 | 31 Dec 1994 | 816.00M | +0.74% | 816.00M |
| FY1993 | 31 Dec 1993 | 810.00M | -4.83% | 747.69M |
| FY1992 | 31 Dec 1992 | 851.11M | +26.09% | 820.71M |
| FY1991 | 31 Dec 1991 | 675.00M | +25.00% | 675.00M |
| FY1990 | 31 Dec 1990 | 540.00M | +38.46% | 540.00M |
| FY1989 | 31 Dec 1989 | 390.00M | +62.50% | 390.00M |
| FY1988 | 31 Dec 1988 | 240.00M | -53.98% | 240.00M |
| FY1987 | 31 Dec 1987 | 521.54M | +10.97% | 521.54M |
| FY1986 | 31 Dec 1986 | 470.00M | +6.63% | 470.00M |
| FY1985 | 31 Dec 1985 | 440.77M | — | 440.77M |
| Quarter | Period ending | Shares outstanding | Growth on a year before | Basic shares |
|---|---|---|---|---|
| Q3 FY2026 | 30 Sept 2026 | 147.80M | +0.48% | 147.80M |
| Q2 FY2026 | 30 Jun 2026 | 148.70M | +1.92% | 147.70M |
| Q1 FY2026 | 31 Mar 2026 | 148.40M | +1.71% | 147.20M |
| Q4 FY2025 | 31 Dec 2025 | 146.70M | +0.41% | 146.70M |
| Q3 FY2025 | 30 Sept 2025 | 147.10M | +0.82% | 146.60M |
| Q2 FY2025 | 30 Jun 2025 | 145.90M | 0.00% | 145.90M |
| Q1 FY2025 | 31 Mar 2025 | 145.90M | 0.00% | 145.90M |
| Q4 FY2024 | 31 Dec 2024 | 146.10M | +0.27% | 145.70M |
| Q3 FY2024 | 30 Sept 2024 | 145.90M | +0.76% | 145.70M |
| Q2 FY2024 | 30 Jun 2024 | 145.90M | +0.27% | 145.60M |
| Q1 FY2024 | 31 Mar 2024 | 145.90M | +0.48% | 145.20M |
| Q4 FY2023 | 31 Dec 2023 | 145.70M | +0.34% | 144.90M |
| Q3 FY2023 | 30 Sept 2023 | 144.80M | 0.00% | 144.80M |
| Q2 FY2023 | 30 Jun 2023 | 145.50M | -0.48% | 144.70M |
| Q1 FY2023 | 31 Mar 2023 | 145.20M | -1.63% | 144.40M |
| Q4 FY2022 | 31 Dec 2022 | 145.20M | -1.56% | 144.10M |
| Q3 FY2022 | 30 Sept 2022 | 144.80M | -2.56% | 144.40M |
| Q2 FY2022 | 30 Jun 2022 | 146.20M | -2.60% | 145.90M |
| Q1 FY2022 | 31 Mar 2022 | 147.60M | -3.09% | 147.10M |
| Q4 FY2021 | 31 Dec 2021 | 147.50M | -4.22% | 146.90M |
| Q3 FY2021 | 30 Sept 2021 | 148.60M | -5.47% | 148.00M |
| Q2 FY2021 | 30 Jun 2021 | 150.10M | -6.71% | 149.70M |
| Q1 FY2021 | 31 Mar 2021 | 152.30M | -12.02% | 151.90M |
| Q4 FY2020 | 31 Dec 2020 | 154.00M | -13.58% | 153.70M |
| Q3 FY2020 | 30 Sept 2020 | 157.20M | -14.66% | 156.90M |
| Q2 FY2020 | 30 Jun 2020 | 160.90M | -15.49% | 160.60M |
| Q1 FY2020 | 31 Mar 2020 | 173.10M | -12.13% | 172.80M |
| Q4 FY2019 | 31 Dec 2019 | 178.20M | -11.03% | 177.80M |
| Q3 FY2019 | 30 Sept 2019 | 184.20M | -8.77% | 184.00M |
| Q2 FY2019 | 30 Jun 2019 | 190.40M | -8.15% | 190.30M |
| Q1 FY2019 | 31 Mar 2019 | 197.00M | -6.94% | 196.60M |
| Q4 FY2018 | 31 Dec 2018 | 200.30M | -5.52% | 199.80M |
| Q3 FY2018 | 30 Sept 2018 | 201.90M | -4.67% | 201.40M |
| Q2 FY2018 | 30 Jun 2018 | 207.30M | -2.31% | 207.10M |
| Q1 FY2018 | 31 Mar 2018 | 211.70M | -1.95% | 211.40M |
| Q4 FY2017 | 31 Dec 2017 | 212.00M | -2.30% | 211.50M |
| Q3 FY2017 | 30 Sept 2017 | 211.80M | -3.46% | 211.40M |
| Q2 FY2017 | 30 Jun 2017 | 212.20M | -3.28% | 211.90M |
| Q1 FY2017 | 31 Mar 2017 | 215.90M | -1.55% | 215.60M |
| Q4 FY2016 | 31 Dec 2016 | 217.00M | -1.72% | 216.60M |
| Q3 FY2016 | 30 Sept 2016 | 219.40M | -5.67% | 218.90M |
| Q2 FY2016 | 30 Jun 2016 | 219.40M | -6.92% | 219.10M |
| Q1 FY2016 | 31 Mar 2016 | 219.30M | -6.93% | 218.90M |
| Q4 FY2015 | 31 Dec 2015 | 220.80M | -6.56% | 220.40M |
| Q3 FY2015 | 30 Sept 2015 | 232.60M | -1.84% | 232.20M |
| Q2 FY2015 | 30 Jun 2015 | 235.70M | -0.72% | 235.30M |
| Q1 FY2015 | 31 Mar 2015 | 235.63M | -0.93% | 235.00M |
| Q4 FY2014 | 31 Dec 2014 | 236.29M | -0.56% | 235.48M |
| Q3 FY2014 | 30 Sept 2014 | 236.97M | -0.58% | 236.22M |
| Q2 FY2014 | 30 Jun 2014 | 237.40M | -0.56% | 236.66M |
| Q1 FY2014 | 31 Mar 2014 | 237.85M | -0.19% | 236.79M |
| Q4 FY2013 | 31 Dec 2013 | 237.63M | -0.29% | 236.28M |
| Q3 FY2013 | 30 Sept 2013 | 238.35M | +0.09% | 237.07M |
| Q2 FY2013 | 30 Jun 2013 | 238.74M | -0.78% | 237.48M |
| Q1 FY2013 | 31 Mar 2013 | 238.30M | -1.46% | 236.84M |
| Q4 FY2012 | 31 Dec 2012 | 238.32M | -2.88% | 236.61M |
| Q3 FY2012 | 30 Sept 2012 | 238.13M | -2.95% | 236.47M |
| Q2 FY2012 | 30 Jun 2012 | 240.62M | -1.77% | 238.99M |
| Q1 FY2012 | 31 Mar 2012 | 241.83M | -1.11% | 239.75M |
| Q4 FY2011 | 31 Dec 2011 | 245.38M | +0.34% | 242.96M |
| Q3 FY2011 | 30 Sept 2011 | 245.37M | +1.26% | 242.88M |
| Q2 FY2011 | 30 Jun 2011 | 244.97M | -6.38% | 242.38M |
| Q1 FY2011 | 31 Mar 2011 | 244.55M | -10.32% | 241.54M |
| Q4 FY2010 | 31 Dec 2010 | 244.55M | -10.32% | 241.54M |
| Q3 FY2010 | 30 Sept 2010 | 242.31M | -16.74% | 239.86M |
| Q2 FY2010 | 30 Jun 2010 | 261.66M | -9.88% | 259.94M |
| Q1 FY2010 | 31 Mar 2010 | 272.70M | -5.88% | 269.92M |
| Q4 FY2009 | 31 Dec 2009 | 272.70M | -5.88% | 269.92M |
| Q3 FY2009 | 30 Sept 2009 | 291.04M | -0.98% | 288.92M |
| Q2 FY2009 | 30 Jun 2009 | 290.36M | -1.06% | 288.62M |
| Q1 FY2009 | 31 Mar 2009 | 289.74M | -3.26% | 287.70M |
| Q4 FY2008 | 31 Dec 2008 | 289.74M | -3.26% | 287.70M |
| Q3 FY2008 | 30 Sept 2008 | 293.92M | +0.18% | 291.41M |
| Q2 FY2008 | 30 Jun 2008 | 293.48M | -14.54% | 290.36M |
| Q1 FY2008 | 31 Mar 2008 | 299.50M | -12.95% | 296.17M |
| Q4 FY2007 | 31 Dec 2007 | 299.50M | -12.95% | 296.17M |
| Q3 FY2007 | 30 Sept 2007 | 293.40M | -14.90% | 288.96M |
| Q2 FY2007 | 30 Jun 2007 | 343.39M | +0.30% | 340.32M |
| Q1 FY2007 | 31 Mar 2007 | 344.06M | -0.51% | 340.31M |
| Q4 FY2006 | 31 Dec 2006 | 344.06M | -0.51% | 340.31M |
| Q3 FY2006 | 30 Sept 2006 | 344.75M | +1.14% | 338.02M |
| Q2 FY2006 | 30 Jun 2006 | 342.38M | -0.68% | 342.38M |
| Q1 FY2006 | 31 Mar 2006 | 345.82M | -1.81% | 339.65M |
| Q4 FY2005 | 31 Dec 2005 | 345.82M | -1.81% | 339.65M |
| Q3 FY2005 | 30 Sept 2005 | 340.86M | -4.05% | 336.54M |
| Q2 FY2005 | 30 Jun 2005 | 344.74M | -1.58% | 332.63M |
| Q1 FY2005 | 31 Mar 2005 | 352.17M | +5.54% | 335.28M |
| Q4 FY2004 | 31 Dec 2004 | 352.17M | +5.54% | 335.28M |
| Q3 FY2004 | 30 Sept 2004 | 355.23M | -10.91% | 334.78M |
| Q2 FY2004 | 30 Jun 2004 | 350.28M | -12.16% | 337.02M |
| Q1 FY2004 | 31 Mar 2004 | 333.70M | -16.31% | 333.70M |
| Q4 FY2003 | 31 Dec 2003 | 333.70M | -16.31% | 333.70M |
| Q3 FY2003 | 30 Sept 2003 | 398.75M | 0.00% | 389.96M |
| Q2 FY2003 | 30 Jun 2003 | 398.75M | 0.00% | 389.96M |
| Q1 FY2003 | 31 Mar 2003 | 398.75M | 0.00% | 389.96M |
| Q4 FY2002 | 31 Dec 2002 | 398.75M | 0.00% | 389.96M |
| Q3 FY2002 | 30 Sept 2002 | 398.75M | 0.00% | 389.96M |
| Q2 FY2002 | 30 Jun 2002 | 398.75M | 0.00% | 389.96M |
| Q1 FY2002 | 31 Mar 2002 | 398.75M | 0.00% | 389.96M |
| Q4 FY2001 | 31 Dec 2001 | 398.75M | -13.77% | 389.96M |
| Q3 FY2001 | 30 Sept 2001 | 398.75M | -13.52% | 389.96M |
| Q2 FY2001 | 30 Jun 2001 | 398.75M | -13.77% | 389.96M |
| Q1 FY2001 | 31 Mar 2001 | 398.75M | -15.72% | 389.96M |
| Q4 FY2000 | 31 Dec 2000 | 462.46M | -2.26% | 445.23M |
| Q3 FY2000 | 30 Sept 2000 | 461.11M | -51.66% | 444.22M |
| Q2 FY2000 | 30 Jun 2000 | 462.45M | -50.27% | 445.93M |
| Q1 FY2000 | 31 Mar 2000 | 473.14M | -49.96% | 451.08M |
| Q4 FY1999 | 31 Dec 1999 | 473.14M | -49.96% | 451.08M |
| Q3 FY1999 | 30 Sept 1999 | 953.85M | +5.70% | 907.32M |
| Q2 FY1999 | 30 Jun 1999 | 930.00M | -1.27% | 897.93M |
| Q1 FY1999 | 31 Mar 1999 | 945.52M | +2.03% | 884.52M |
| Q4 FY1998 | 31 Dec 1998 | 945.52M | +2.03% | 884.52M |
| Q3 FY1998 | 30 Sept 1998 | 902.40M | +2.71% | 867.69M |
| Q2 FY1998 | 30 Jun 1998 | 942.00M | +2.56% | 897.14M |
| Q1 FY1998 | 31 Mar 1998 | 926.67M | -0.07% | 877.90M |
| Q4 FY1997 | 31 Dec 1997 | 926.67M | -0.07% | 877.90M |
| Q3 FY1997 | 30 Sept 1997 | 878.57M | -2.60% | 878.57M |
| Q2 FY1997 | 30 Jun 1997 | 918.46M | +17.75% | 852.86M |
| Q1 FY1997 | 31 Mar 1997 | 927.27M | +25.31% | 850.00M |
| Q4 FY1996 | 31 Dec 1996 | 927.27M | +25.31% | 850.00M |
| Q3 FY1996 | 30 Sept 1996 | 902.00M | +36.67% | 845.63M |
| Q2 FY1996 | 30 Jun 1996 | 780.00M | +4.00% | 780.00M |
| Q1 FY1996 | 31 Mar 1996 | 740.00M | -11.90% | 740.00M |
| Q4 FY1995 | 31 Dec 1995 | 740.00M | -11.90% | 740.00M |
| Q3 FY1995 | 30 Sept 1995 | 660.00M | -16.67% | 660.00M |
| Q2 FY1995 | 30 Jun 1995 | 750.00M | -8.09% | 750.00M |
| Q1 FY1995 | 31 Mar 1995 | 840.00M | 0.00% | 840.00M |
| Q4 FY1994 | 31 Dec 1994 | 840.00M | 0.00% | 840.00M |
| Q3 FY1994 | 30 Sept 1994 | 792.00M | +5.13% | 792.00M |
| Q2 FY1994 | 30 Jun 1994 | 816.00M | +21.43% | 816.00M |
| Q1 FY1994 | 31 Mar 1994 | 840.00M | -0.88% | 840.00M |
| Q4 FY1993 | 31 Dec 1993 | 840.00M | -0.88% | 840.00M |
| Q3 FY1993 | 30 Sept 1993 | 753.33M | +1.80% | 753.33M |
| Q2 FY1993 | 30 Jun 1993 | 672.00M | +60.00% | 672.00M |
| Q1 FY1993 | 31 Mar 1993 | 847.50M | +76.56% | 847.50M |
| Q4 FY1992 | 31 Dec 1992 | 847.50M | +76.56% | 847.50M |
| Q3 FY1992 | 30 Sept 1992 | 740.00M | +23.33% | 740.00M |
| Q2 FY1992 | 30 Jun 1992 | 420.00M | -36.36% | 420.00M |
| Q1 FY1992 | 31 Mar 1992 | 480.00M | +14.29% | 480.00M |
| Q4 FY1991 | 31 Dec 1991 | 480.00M | +14.29% | 480.00M |
| Q3 FY1991 | 30 Sept 1991 | 600.00M | +53.85% | 600.00M |
| Q2 FY1991 | 30 Jun 1991 | 660.00M | +69.23% | 660.00M |
| Q1 FY1991 | 31 Mar 1991 | 420.00M | +7.69% | 420.00M |
| Q4 FY1990 | 31 Dec 1990 | 420.00M | +7.69% | 420.00M |
| Q3 FY1990 | 30 Sept 1990 | 390.00M | 0.00% | 390.00M |
| Q2 FY1990 | 30 Jun 1990 | 390.00M | 0.00% | 390.00M |
| Q1 FY1990 | 31 Mar 1990 | 390.00M | +62.50% | 390.00M |
| Q4 FY1989 | 31 Dec 1989 | 390.00M | +62.50% | 390.00M |
| Q3 FY1989 | 30 Sept 1989 | 390.00M | +62.50% | 390.00M |
| Q2 FY1989 | 30 Jun 1989 | 390.00M | -27.78% | 390.00M |
| Q1 FY1989 | 31 Mar 1989 | 240.00M | -55.56% | 240.00M |
| Q4 FY1988 | 31 Dec 1988 | 240.00M | -55.56% | 240.00M |
| Q3 FY1988 | 30 Sept 1988 | 240.00M | -54.29% | 240.00M |
| Q2 FY1988 | 30 Jun 1988 | 540.00M | +9.09% | 540.00M |
| Q1 FY1988 | 31 Mar 1988 | 540.00M | +12.50% | 540.00M |
| Q4 FY1987 | 31 Dec 1987 | 540.00M | +12.50% | 515.25M |
| Q3 FY1987 | 30 Sept 1987 | 525.00M | +16.67% | 525.00M |
| Q2 FY1987 | 30 Jun 1987 | 495.00M | +10.82% | 495.00M |
| Q1 FY1987 | 31 Mar 1987 | 480.00M | +14.29% | 480.00M |
| Q4 FY1986 | 31 Dec 1986 | 480.00M | +14.29% | 480.00M |
| Q3 FY1986 | 30 Sept 1986 | 450.00M | +9.37% | 450.00M |
| Q2 FY1986 | 30 Jun 1986 | 446.67M | — | 446.67M |
| Q1 FY1986 | 31 Mar 1986 | 420.00M | — | 420.00M |
| Q4 FY1985 | 31 Dec 1985 | 420.00M | — | 420.00M |
| Q3 FY1985 | 30 Sept 1985 | 411.43M | — | 411.43M |
Figures in USD. Shares and EPS are adjusted for stock splits. Quarterly growth is on the same quarter a year before; TTM is the last four quarters.
See also:Revenue,Net income,EPS,Operating income,Cash on hand,Total debt,Free cash flow,Stock buybacks,Income statement
Common questions about Biogen's shares
Source: Financial Modeling Prep