BIOGEN INC. Earnings Per Share (Diluted)
BIOGEN INC. (BIIB) reported Earnings Per Share (Diluted) of $2.15 per share for the 3-month period ending 2026-03-31, per its 10-Q filed 2026-04-29.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:EarningsPerShareDiluted · last filed 2026-04-29
- BIOGEN INC. earnings per share, diluted for the quarter ending 2026-03-31 was $2.15, a 31.10% increase year-over-year.
- BIOGEN INC. earnings per share, diluted for the quarter ending 2025-12-31 was -$0.33, a 118.01% decline year-over-year.
- BIOGEN INC. earnings per share, diluted for the quarter ending 2025-09-30 was $3.17, a 19.17% increase year-over-year.
- BIOGEN INC. earnings per share, diluted for the quarter ending 2025-06-30 was $4.33, a 8.25% increase year-over-year.
- BIOGEN INC. earnings per share, diluted for fiscal 2025 was $8.79, a 21.38% decline from fiscal 2024.
- BIOGEN INC. earnings per share, diluted for fiscal 2024 was $11.18, a 40.28% increase from fiscal 2023.
- BIOGEN INC. earnings per share, diluted for fiscal 2023 was $7.97, a 61.81% decline from fiscal 2022.
- BIOGEN INC. earnings per share, diluted for fiscal 2022 was $20.87, a 100.67% increase from fiscal 2021.
| Period end | Earnings Per Share, Diluted 3 month | Earnings Per Share, Diluted 6 month | Earnings Per Share, Diluted 9 month | Earnings Per Share, Diluted 12 month |
|---|---|---|---|---|
| 2026-03-31 | $2.15 10-Q · filed 2026-04-29 | $1.83 derived: net income ÷ weighted average shares · filed 2026-04-29 | $4.99 derived: net income ÷ weighted average shares · filed 2026-04-29 | $9.30 derived: net income ÷ weighted average shares · filed 2026-04-29 |
| 2025-12-31 | -$0.33 derived: net income ÷ weighted average shares · filed 2026-04-28 | $2.83 derived: net income ÷ weighted average shares · filed 2026-04-28 | $7.15 derived: net income ÷ weighted average shares · filed 2026-04-28 | $8.79 10-K · filed 2026-02-06 |
| 2025-09-30 | $3.17 10-Q · filed 2025-10-30 | $7.50 derived: net income ÷ weighted average shares · filed 2025-10-30 | $9.14 10-Q · filed 2025-10-30 | $10.98 derived: net income ÷ weighted average shares · filed 2026-04-29 |
| 2025-06-30 | $4.33 10-Q · filed 2025-07-31 | $5.97 10-Q · filed 2025-07-31 | $7.80 derived: net income ÷ weighted average shares · filed 2026-04-29 | $10.46 derived: net income ÷ weighted average shares · filed 2026-04-29 |
| 2025-03-31 | $1.64 10-Q · filed 2026-04-29 | $3.47 derived: net income ÷ weighted average shares · filed 2026-04-29 | $6.13 derived: net income ÷ weighted average shares · filed 2026-04-29 | $10.13 derived: net income ÷ weighted average shares · filed 2026-04-29 |
| 2024-12-31 | $1.83 derived: net income ÷ weighted average shares · filed 2026-04-28 | $4.49 derived: net income ÷ weighted average shares · filed 2026-04-28 | $8.49 derived: net income ÷ weighted average shares · filed 2026-04-28 | $11.18 10-K · filed 2026-02-06 |
| 2024-09-30 | $2.66 10-Q · filed 2025-10-30 | $6.66 derived: net income ÷ weighted average shares · filed 2025-10-30 | $9.35 10-Q · filed 2025-10-30 | $11.07 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2024-06-30 | $4.00 10-Q · filed 2025-07-31 | $6.70 10-Q · filed 2025-07-31 | $8.41 derived: net income ÷ weighted average shares · filed 2026-04-28 | $7.96 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2024-03-31 | $2.70 10-Q · filed 2025-05-01 | $4.41 derived: net income ÷ weighted average shares · filed 2026-04-28 | $3.95 derived: net income ÷ weighted average shares · filed 2026-04-28 | $8.02 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2023-12-31 | $1.71 derived: net income ÷ weighted average shares · filed 2026-04-28 | $1.25 derived: net income ÷ weighted average shares · filed 2026-04-28 | $5.32 derived: net income ÷ weighted average shares · filed 2026-04-28 | $7.97 10-K · filed 2026-02-06 |
| 2023-09-30 | -$0.47 10-Q · filed 2024-10-30 | $3.61 derived: net income ÷ weighted average shares · filed 2024-10-30 | $6.26 10-Q · filed 2024-10-30 | $10.07 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2023-06-30 | $4.07 10-Q · filed 2024-08-01 | $6.74 10-Q · filed 2024-08-01 | $10.53 derived: net income ÷ weighted average shares · filed 2026-04-28 | $18.35 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2023-03-31 | $2.67 10-Q · filed 2024-04-24 | $6.46 derived: net income ÷ weighted average shares · filed 2026-04-28 | $14.28 derived: net income ÷ weighted average shares · filed 2026-04-28 | $21.53 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2022-12-31 | $3.79 derived: net income ÷ weighted average shares · filed 2026-04-28 | $11.61 derived: net income ÷ weighted average shares · filed 2026-04-28 | $18.86 derived: net income ÷ weighted average shares · filed 2026-04-28 | $20.87 10-K · filed 2025-02-12 |
| 2022-09-30 | $7.84 10-Q · filed 2023-11-08 | $15.07 derived: net income ÷ weighted average shares · filed 2023-11-08 | $17.07 10-Q · filed 2023-11-08 | $19.55 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2022-06-30 | $7.24 10-Q · filed 2023-07-25 | $9.27 10-Q · filed 2023-07-25 | $11.76 derived: net income ÷ weighted average shares · filed 2026-04-28 | $13.96 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2022-03-31 | $2.06 10-Q · filed 2023-04-25 | $4.55 derived: net income ÷ weighted average shares · filed 2026-04-28 | $6.77 derived: net income ÷ weighted average shares · filed 2026-04-28 | $9.76 derived: net income ÷ weighted average shares · filed 2026-04-28 |
| 2021-12-31 | $2.50 derived: net income ÷ weighted average shares · filed 2026-04-28 | $4.71 derived: net income ÷ weighted average shares · filed 2026-04-28 | $7.70 derived: net income ÷ weighted average shares · filed 2026-04-28 | $10.40 10-K · filed 2024-02-14 |
| 2021-09-30 | $2.22 10-Q · filed 2022-10-25 | $5.21 derived: net income ÷ weighted average shares · filed 2022-10-25 | $7.90 10-Q · filed 2022-10-25 | $10.22 derived: net income ÷ weighted average shares · filed 2022-10-25 |
| 2021-06-30 | $2.99 10-Q · filed 2022-07-20 | $5.68 10-Q · filed 2022-07-20 | $8.00 derived: net income ÷ weighted average shares · filed 2022-07-20 | $12.50 derived: net income ÷ weighted average shares · filed 2022-07-20 |
| 2021-03-31 | $2.69 10-Q · filed 2022-05-03 | $5.02 derived: net income ÷ weighted average shares · filed 2022-05-03 | $9.51 derived: net income ÷ weighted average shares · filed 2022-05-03 | $19.29 derived: net income ÷ weighted average shares · filed 2022-05-03 |
| 2020-12-31 | $2.32 10-K · filed 2021-02-03 | $6.81 derived: net income ÷ weighted average shares · filed 2021-10-20 | $16.53 derived: net income ÷ weighted average shares · filed 2021-10-20 | $24.80 10-K · filed 2023-02-15 |
| 2020-09-30 | $4.46 10-Q · filed 2021-10-20 | $14.11 derived: net income ÷ weighted average shares · filed 2021-10-20 | $22.25 10-Q · filed 2021-10-20 | $30.37 derived: net income ÷ weighted average shares · filed 2021-10-20 |
| 2020-06-30 | $9.59 10-Q · filed 2021-07-22 | $17.61 10-Q · filed 2021-07-22 | $25.66 derived: net income ÷ weighted average shares · filed 2021-07-22 | $34.04 derived: net income ÷ weighted average shares · filed 2021-07-22 |
| 2020-03-31 | $8.08 10-Q · filed 2021-04-22 | $16.16 derived: net income ÷ weighted average shares · filed 2021-04-22 | $24.56 derived: net income ÷ weighted average shares · filed 2021-04-22 | $32.39 derived: net income ÷ weighted average shares · filed 2021-04-22 |
| 2019-12-31 | $8.08 10-K · filed 2021-02-03 | $16.48 derived: net income ÷ weighted average shares · filed 2021-02-03 | $24.31 derived: net income ÷ weighted average shares · filed 2021-02-03 | $31.42 10-K · filed 2022-02-03 |
| 2019-09-30 | $8.39 10-K · filed 2021-02-03 | $16.23 derived: net income ÷ weighted average shares · filed 2021-02-03 | $23.35 10-Q · filed 2020-10-21 | $27.96 derived: net income ÷ weighted average shares · filed 2021-02-03 |
| 2019-06-30 | $7.85 10-K · filed 2021-02-03 | $14.99 10-Q · filed 2020-07-22 | $19.65 derived: net income ÷ weighted average shares · filed 2021-02-03 | $26.82 derived: net income ÷ weighted average shares · filed 2021-02-03 |
| 2019-03-31 | $7.15 10-K · filed 2021-02-03 | $11.86 derived: net income ÷ weighted average shares · filed 2021-02-03 | $19.03 derived: net income ÷ weighted average shares · filed 2021-02-03 | $23.14 derived: net income ÷ weighted average shares · filed 2021-02-03 |
| 2018-12-31 | $4.73 10-K · filed 2020-02-06 | $11.89 derived: net income ÷ weighted average shares · filed 2020-02-06 | $16.04 derived: net income ÷ weighted average shares · filed 2020-02-06 | $21.58 10-K · filed 2021-02-03 |
| 2018-09-30 | $7.15 10-K · filed 2020-02-06 | $11.30 derived: net income ÷ weighted average shares · filed 2020-02-06 | $16.83 10-Q · filed 2019-10-22 | $15.30 derived: net income ÷ weighted average shares · filed 2020-02-06 |
| 2018-06-30 | $4.18 10-K · filed 2020-02-06 | $9.73 10-Q · filed 2019-07-24 | $8.28 derived: net income ÷ weighted average shares · filed 2020-02-06 | $14.09 derived: net income ÷ weighted average shares · filed 2020-02-06 |
| 2018-03-31 | $5.54 10-K · filed 2020-02-06 | $4.13 derived: net income ÷ weighted average shares · filed 2020-02-06 | $9.92 derived: net income ÷ weighted average shares · filed 2020-02-06 | $13.99 derived: net income ÷ weighted average shares · filed 2020-02-06 |
| 2017-12-31 | -$1.40 10-K · filed 2019-02-06 | $4.38 derived: net income ÷ weighted average shares · filed 2019-02-06 | $8.45 derived: net income ÷ weighted average shares · filed 2019-02-06 | $11.92 10-K · filed 2020-02-06 |
| 2017-09-30 | $5.79 10-K · filed 2019-02-06 | $9.85 derived: net income ÷ weighted average shares · filed 2019-02-06 | $13.30 10-Q · filed 2018-10-23 | $16.27 derived: net income ÷ weighted average shares · filed 2019-02-06 |
| 2017-06-30 | $4.07 10-K · filed 2019-02-06 | $7.52 10-Q · filed 2018-07-24 | $10.51 derived: net income ÷ weighted average shares · filed 2019-02-06 | $15.23 derived: net income ÷ weighted average shares · filed 2019-02-06 |
| 2017-03-31 | $3.46 10-K · filed 2019-02-06 | $6.45 derived: net income ÷ weighted average shares · filed 2019-02-06 | $11.17 derived: net income ÷ weighted average shares · filed 2019-02-06 | $15.97 derived: net income ÷ weighted average shares · filed 2019-02-06 |
| 2016-12-31 | $2.99 10-K · filed 2018-02-01 | $7.71 derived: net income ÷ weighted average shares · filed 2018-02-01 | $12.50 derived: net income ÷ weighted average shares · filed 2018-02-01 | $16.93 10-K · filed 2019-02-06 |
| 2016-09-30 | $4.71 10-K · filed 2018-02-01 | $9.49 derived: net income ÷ weighted average shares · filed 2018-02-01 | $13.92 10-Q · filed 2017-10-24 | $17.68 derived: net income ÷ weighted average shares · filed 2018-02-01 |
| 2016-06-30 | $4.79 10-K · filed 2018-02-01 | $9.21 10-Q · filed 2017-07-25 | $12.97 derived: net income ÷ weighted average shares · filed 2018-02-01 | $17.12 derived: net income ÷ weighted average shares · filed 2018-02-01 |
| 2016-03-31 | $4.43 10-K · filed 2018-02-01 | $8.19 derived: net income ÷ weighted average shares · filed 2018-02-01 | $12.34 derived: net income ÷ weighted average shares · filed 2018-02-01 | $16.27 derived: net income ÷ weighted average shares · filed 2018-02-01 |
| 2015-12-31 | $3.77 10-K · filed 2017-02-02 | $7.93 derived: net income ÷ weighted average shares · filed 2017-02-02 | $11.86 derived: net income ÷ weighted average shares · filed 2017-02-02 | $15.34 10-K · filed 2018-02-01 |
| 2015-09-30 | $4.15 10-K · filed 2017-02-02 | $8.08 derived: net income ÷ weighted average shares · filed 2017-02-02 | $11.57 10-Q · filed 2016-10-26 | $15.31 derived: net income ÷ weighted average shares · filed 2017-02-02 |
| 2015-06-30 | $3.93 10-K · filed 2017-02-02 | $7.42 10-Q · filed 2016-07-21 | $11.16 derived: net income ÷ weighted average shares · filed 2017-02-02 | $14.78 derived: net income ÷ weighted average shares · filed 2017-02-02 |
| 2015-03-31 | $3.49 10-K · filed 2017-02-02 | $7.23 derived: net income ÷ weighted average shares · filed 2017-02-02 | $10.85 derived: net income ÷ weighted average shares · filed 2017-02-02 | $13.85 derived: net income ÷ weighted average shares · filed 2017-02-02 |
| 2014-12-31 | $3.74 10-K · filed 2016-02-03 | $7.35 derived: net income ÷ weighted average shares · filed 2016-02-03 | $10.36 derived: net income ÷ weighted average shares · filed 2016-02-03 | $12.37 10-K · filed 2017-02-02 |
| 2014-09-30 | $3.62 10-K · filed 2016-02-03 | $6.62 derived: net income ÷ weighted average shares · filed 2016-02-03 | $8.64 10-Q · filed 2015-10-21 | $10.56 derived: net income ÷ weighted average shares · filed 2016-02-03 |
| 2014-06-30 | $3.01 10-K · filed 2016-02-03 | $5.03 10-Q · filed 2015-07-24 | $6.95 derived: net income ÷ weighted average shares · filed 2016-02-03 | $9.00 derived: net income ÷ weighted average shares · filed 2016-02-03 |
| 2014-03-31 | $2.02 10-K · filed 2016-02-03 | $3.94 derived: net income ÷ weighted average shares · filed 2016-02-03 | $5.99 derived: net income ÷ weighted average shares · filed 2016-02-03 | $8.04 derived: net income ÷ weighted average shares · filed 2016-02-03 |
| 2013-12-31 | $1.92 10-K · filed 2015-02-04 | $3.97 derived: net income ÷ weighted average shares · filed 2016-02-03 | $6.03 derived: net income ÷ weighted average shares · filed 2016-02-03 | $7.81 10-K · filed 2016-02-03 |
| 2013-09-30 | $2.05 10-K · filed 2015-02-04 | $4.10 derived: net income ÷ weighted average shares · filed 2015-02-04 | $5.89 10-Q · filed 2014-10-22 | $7.12 derived: net income ÷ weighted average shares · filed 2015-02-04 |
| 2013-06-30 | $2.06 10-K · filed 2015-02-04 | $3.85 10-Q · filed 2014-07-23 | $5.07 derived: net income ÷ weighted average shares · filed 2015-02-04 | $6.74 derived: net income ÷ weighted average shares · filed 2015-02-04 |
| 2013-03-31 | $1.79 10-K · filed 2015-02-04 | $3.01 derived: net income ÷ weighted average shares · filed 2015-02-04 | $4.69 derived: net income ÷ weighted average shares · filed 2015-02-04 | $6.30 derived: net income ÷ weighted average shares · filed 2015-02-04 |
| 2012-12-31 | $1.23 10-K · filed 2014-02-06 | $2.90 derived: net income ÷ weighted average shares · filed 2015-02-04 | $4.51 derived: net income ÷ weighted average shares · filed 2015-02-04 | $5.76 10-K · filed 2015-02-04 |
| 2012-09-30 | $1.67 10-K · filed 2014-02-06 | $3.28 derived: net income ÷ weighted average shares · filed 2014-02-06 | $4.53 10-Q · filed 2013-10-28 | $5.75 derived: net income ÷ weighted average shares · filed 2014-02-06 |
| 2012-06-30 | $1.61 10-K · filed 2014-02-06 | $2.86 10-Q · filed 2013-07-25 | $4.08 derived: net income ÷ weighted average shares · filed 2014-02-06 | $5.52 derived: net income ÷ weighted average shares · filed 2014-02-06 |
| 2012-03-31 | $1.25 10-K · filed 2014-02-06 | $2.48 derived: net income ÷ weighted average shares · filed 2014-02-06 | $3.91 derived: net income ÷ weighted average shares · filed 2014-02-06 | $5.09 derived: net income ÷ weighted average shares · filed 2014-02-06 |
| 2011-12-31 | $1.22 10-K · filed 2013-02-05 | $2.66 derived: net income ÷ weighted average shares · filed 2014-02-06 | $3.84 derived: net income ÷ weighted average shares · filed 2014-02-06 | $5.04 10-K · filed 2014-02-06 |
| 2011-09-30 | $1.43 10-K · filed 2013-02-05 | $2.61 derived: net income ÷ weighted average shares · filed 2013-02-05 | $3.81 10-Q · filed 2012-10-25 | $4.81 derived: net income ÷ weighted average shares · filed 2013-02-05 |
| 2011-06-30 | $1.18 10-K · filed 2013-02-05 | $2.38 10-Q · filed 2012-07-24 | $3.37 derived: net income ÷ weighted average shares · filed 2013-02-05 | $4.42 derived: net income ÷ weighted average shares · filed 2013-02-05 |
| 2011-03-31 | $1.20 10-K · filed 2013-02-05 | $2.19 derived: net income ÷ weighted average shares · filed 2013-02-05 | $3.24 derived: net income ÷ weighted average shares · filed 2013-02-05 | $4.37 derived: net income ÷ weighted average shares · filed 2013-02-05 |
| 2010-12-31 | $0.99 10-K · filed 2012-02-03 | $2.04 derived: net income ÷ weighted average shares · filed 2013-02-05 | $3.17 derived: net income ÷ weighted average shares · filed 2013-02-05 | $3.94 10-K · filed 2013-02-05 |
| 2010-09-30 | $1.05 10-K · filed 2012-02-03 | $2.17 derived: net income ÷ weighted average shares · filed 2012-02-03 | $2.95 10-Q · filed 2011-10-28 | $4.03 derived: net income ÷ weighted average shares · filed 2012-02-03 |
| 2010-06-30 | $1.12 10-K · filed 2012-02-03 | $1.91 10-Q · filed 2011-07-26 | $2.98 derived: net income ÷ weighted average shares · filed 2012-02-03 | $3.93 derived: net income ÷ weighted average shares · filed 2012-02-03 |
| 2010-03-31 | $0.80 10-K · filed 2012-02-03 | $1.87 derived: net income ÷ weighted average shares · filed 2012-02-03 | $2.82 derived: net income ÷ weighted average shares · filed 2012-02-03 | $3.31 derived: net income ÷ weighted average shares · filed 2012-02-03 |
| 2009-12-31 | $1.06 10-K · filed 2011-02-04 | $2.02 derived: net income ÷ weighted average shares · filed 2012-02-03 | $2.51 derived: net income ÷ weighted average shares · filed 2012-02-03 | $3.35 10-K · filed 2012-02-03 |
| 2009-09-30 | $0.95 10-K · filed 2011-02-04 | $1.45 derived: net income ÷ weighted average shares · filed 2011-02-04 | $2.28 10-Q · filed 2010-10-26 | $2.99 derived: net income ÷ weighted average shares · filed 2011-02-04 |
| 2009-06-30 | $0.49 10-K · filed 2011-02-04 | $1.33 10-Q · filed 2010-07-20 | $2.04 derived: net income ÷ weighted average shares · filed 2011-02-04 | $2.74 derived: net income ÷ weighted average shares · filed 2011-02-04 |
| 2009-03-31 | $0.84 10-K · filed 2011-02-04 | $1.55 derived: net income ÷ weighted average shares · filed 2011-02-04 | $2.25 derived: net income ÷ weighted average shares · filed 2011-02-04 | $2.95 derived: net income ÷ weighted average shares · filed 2011-02-04 |
| 2008-12-31 | $0.70 derived: net income ÷ weighted average shares · filed 2011-02-04 | $1.41 derived: net income ÷ weighted average shares · filed 2011-02-04 | $2.11 derived: net income ÷ weighted average shares · filed 2011-02-04 | $2.65 10-K · filed 2011-02-04 |
| 2008-09-30 | $0.70 10-Q · filed 2009-10-21 | $1.41 derived: net income ÷ weighted average shares · filed 2009-10-21 | $1.95 10-Q · filed 2009-10-21 | |
| 2008-06-30 | $0.70 10-Q · filed 2009-07-17 | $1.24 10-Q · filed 2009-07-17 | ||
| 2007-12-31 | $1.99 10-K · filed 2010-02-09 |
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