BIIB quarterly returns
BIIB quarterly stock returns with Q1–Q4 history, seasonality patterns, and performance tables for U.S. equity research.
| Period | Return % |
|---|---|
| 2000-Q1 | 5.37 |
| 2000-Q2 | 24.6 |
| 2000-Q3 | 47.34 |
| 2000-Q4 | 20.75 |
| 2001-Q1 | -32.49 |
| 2001-Q2 | 74.95 |
| 2001-Q3 | -24.61 |
| 2001-Q4 | 33.59 |
| 2002-Q1 | -5.65 |
| 2002-Q2 | -45.92 |
| 2002-Q3 | 27.36 |
| 2002-Q4 | -20.38 |
| 2003-Q1 | -0.35 |
| 2003-Q2 | -0.41 |
| 2003-Q3 | -5.75 |
| 2003-Q4 | 8.97 |
| 2004-Q1 | 50.51 |
| 2004-Q2 | 11.95 |
| 2004-Q3 | -1.12 |
| 2004-Q4 | 5.95 |
| 2005-Q1 | -47.94 |
| 2005-Q2 | -0.83 |
| 2005-Q3 | 15.85 |
| 2005-Q4 | 13.43 |
| 2006-Q1 | 0.77 |
| 2006-Q2 | -0.04 |
| 2006-Q3 | -5 |
| 2006-Q4 | 11.19 |
| 2007-Q1 | -10.03 |
| 2007-Q2 | 20.74 |
| 2007-Q3 | 23.27 |
| 2007-Q4 | -16.22 |
| 2008-Q1 | 10.42 |
| 2008-Q2 | -12.69 |
| 2008-Q3 | -15.25 |
| 2008-Q4 | -3.95 |
| 2009-Q1 | 8.1 |
| 2009-Q2 | -12.97 |
| 2009-Q3 | 8.02 |
| 2009-Q4 | 8.43 |
| 2010-Q1 | 6.99 |
| 2010-Q2 | -17.51 |
| 2010-Q3 | 20.09 |
| 2010-Q4 | 18.61 |
| 2011-Q1 | 9.33 |
| 2011-Q2 | 46.55 |
| 2011-Q3 | -14.15 |
| 2011-Q4 | 23.71 |
| 2012-Q1 | 11.01 |
| 2012-Q2 | 13.12 |
| 2012-Q3 | 2.47 |
| 2012-Q4 | -2.38 |
| 2013-Q1 | 28.41 |
| 2013-Q2 | 11.64 |
| 2013-Q3 | 10.5 |
| 2013-Q4 | 14.15 |
| 2014-Q1 | 9.11 |
| 2014-Q2 | 1.78 |
| 2014-Q3 | 1.87 |
| 2014-Q4 | 4.93 |
| 2015-Q1 | 23.46 |
| 2015-Q2 | -2.39 |
| 2015-Q3 | -28.02 |
| 2015-Q4 | 6.63 |
| 2016-Q1 | -11.64 |
| 2016-Q2 | -7.19 |
| 2016-Q3 | 27.74 |
| 2016-Q4 | -8.99 |
| 2017-Q1 | -6.27 |
| 2017-Q2 | -0.49 |
| 2017-Q3 | 14.9 |
| 2017-Q4 | 0.76 |
| 2018-Q1 | -18.06 |
| 2018-Q2 | 8.75 |
| 2018-Q3 | 19.45 |
| 2018-Q4 | -14.65 |
| 2019-Q1 | -22.42 |
| 2019-Q2 | 0.59 |
| 2019-Q3 | -1.13 |
| 2019-Q4 | 30.6 |
| 2020-Q1 | 7.52 |
| 2020-Q2 | -8.77 |
| 2020-Q3 | 7.14 |
| 2020-Q4 | -14.26 |
| 2021-Q1 | 15.15 |
| 2021-Q2 | 24.24 |
| 2021-Q3 | -18.9 |
| 2021-Q4 | -15.5 |
| 2022-Q1 | -13.74 |
| 2022-Q2 | -3.19 |
| 2022-Q3 | 26.76 |
| 2022-Q4 | 4.77 |
| 2023-Q1 | 1.98 |
| 2023-Q2 | 2.71 |
| 2023-Q3 | -9.96 |
| 2023-Q4 | 2.34 |
| 2024-Q1 | -19.45 |
| 2024-Q2 | 7.91 |
| 2024-Q3 | -16.37 |
| 2024-Q4 | -19.85 |
| 2025-Q1 | -8.77 |
| 2025-Q2 | -4.88 |
| 2025-Q3 | 7.7 |
| 2025-Q4 | 14.12 |
| 2026-Q1 | 3.1 |
| 2026-Q2 | 17.56 |
| 2026-Q3 | 5.61 |
| Period | Return % |
|---|---|
| 2000-01 | 35.33 |
| 2000-02 | 5.98 |
| 2000-03 | -33.08 |
| 2000-04 | -32.03 |
| 2000-05 | -11.52 |
| 2000-06 | 56.15 |
| 2000-07 | 3.2 |
| 2000-08 | 8.43 |
| 2000-09 | 16.18 |
| 2000-10 | 24.94 |
| 2000-11 | -15.56 |
| 2000-12 | 5.9 |
| 2001-01 | -0.74 |
| 2001-02 | -1.19 |
| 2001-03 | -26.67 |
| 2001-04 | 27.16 |
| 2001-05 | 29.66 |
| 2001-06 | 3.52 |
| 2001-07 | -17.9 |
| 2001-08 | 16.1 |
| 2001-09 | -16.37 |
| 2001-10 | 16.24 |
| 2001-11 | 14.87 |
| 2001-12 | -0.48 |
| 2002-01 | -12.75 |
| 2002-02 | 6.58 |
| 2002-03 | -1.44 |
| 2002-04 | -16.17 |
| 2002-05 | -20.94 |
| 2002-06 | -10.84 |
| 2002-07 | 36.78 |
| 2002-08 | -5.84 |
| 2002-09 | 6.49 |
| 2002-10 | 10.47 |
| 2002-11 | -29.55 |
| 2002-12 | -0.84 |
| 2003-01 | -6.58 |
| 2003-02 | -11.29 |
| 2003-03 | 17.59 |
| 2003-04 | -3.96 |
| 2003-05 | 15.61 |
| 2003-06 | -11.95 |
| 2003-07 | -4.42 |
| 2003-08 | 4.42 |
| 2003-09 | -4.56 |
| 2003-10 | 4.33 |
| 2003-11 | 8.47 |
| 2003-12 | -6.47 |
| 2004-01 | 16.35 |
| 2004-02 | 25.23 |
| 2004-03 | -0.91 |
| 2004-04 | 4.42 |
| 2004-05 | 4.44 |
| 2004-06 | 0.64 |
| 2004-07 | -3.01 |
| 2004-08 | 1.7 |
| 2004-09 | 1.95 |
| 2004-10 | -7.49 |
| 2004-11 | 1.79 |
| 2004-12 | 9.99 |
| 2005-01 | -2.01 |
| 2005-02 | -40.28 |
| 2005-03 | -16.36 |
| 2005-04 | 4.32 |
| 2005-05 | 4.77 |
| 2005-06 | -13.38 |
| 2005-07 | 15.29 |
| 2005-08 | 4.26 |
| 2005-09 | -7.76 |
| 2005-10 | 1.78 |
| 2005-11 | 6.25 |
| 2005-12 | 4.28 |
| 2006-01 | -4.26 |
| 2006-02 | 4.37 |
| 2006-03 | 0.32 |
| 2006-04 | -3.22 |
| 2006-05 | 2.64 |
| 2006-06 | -3.74 |
| 2006-07 | -10.59 |
| 2006-08 | 7.73 |
| 2006-09 | 0.97 |
| 2006-10 | 7.59 |
| 2006-11 | 9.4 |
| 2006-12 | -5.69 |
| 2007-01 | -2.01 |
| 2007-02 | -8.5 |
| 2007-03 | -0.43 |
| 2007-04 | 6.54 |
| 2007-05 | 8.79 |
| 2007-06 | 2.31 |
| 2007-07 | 5.07 |
| 2007-08 | 14.72 |
| 2007-09 | 4.37 |
| 2007-10 | 9.57 |
| 2007-11 | 1.72 |
| 2007-12 | -22.89 |
| 2008-01 | 9.09 |
| 2008-02 | -5.51 |
| 2008-03 | 4.84 |
| 2008-04 | -5.19 |
| 2008-05 | 0.67 |
| 2008-06 | -8.99 |
| 2008-07 | 17.56 |
| 2008-08 | 1.84 |
| 2008-09 | -0.1 |
| 2008-10 | -14.2 |
| 2008-11 | -8.64 |
| 2008-12 | 22.07 |
| 2009-01 | 0.33 |
| 2009-02 | -8.12 |
| 2009-03 | 19.14 |
| 2009-04 | -6.82 |
| 2009-05 | 11.95 |
| 2009-06 | -11.3 |
| 2009-07 | 1.67 |
| 2009-08 | 3.8 |
| 2009-09 | 2.6 |
| 2009-10 | -14.61 |
| 2009-11 | 10.21 |
| 2009-12 | 11.83 |
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 2026-08-27 | 0 | 222.1 | 217.53 | 221.5 | — |
| 2026-08-26 | 0 | 222 | 218.69 | 221.07 | — |
| 2026-08-25 | 0 | 222.85 | 218 | 220.77 | — |
| 2026-08-24 | 0 | 218.38 | 213.99 | 218.12 | — |
| 2026-08-21 | 217.76 | 219.12 | 215 | 216.78 | — |
| 2026-08-20 | 217.98 | 221.29 | 214.19 | 214.35 | — |
| 2026-08-19 | 215.35 | 222.15 | 215.07 | 221.56 | — |
| 2026-08-18 | 211 | 214.07 | 210.07 | 212.55 | — |
| 2026-08-17 | 208.34 | 210.47 | 207.62 | 209.15 | — |
| 2026-08-14 | 210.01 | 210.78 | 208.22 | 209.83 | — |
| 2026-08-13 | 212.98 | 215.6 | 208.81 | 210.65 | — |
| 2026-08-12 | 203.52 | 209.22 | 201 | 208.87 | — |
| 2026-08-11 | 206.5 | 207.57 | 203.53 | 203.89 | — |
| 2026-08-10 | 206.7 | 210.02 | 206.29 | 207.13 | — |
| 2026-08-07 | 207.38 | 208.31 | 204.16 | 207.94 | — |
| 2026-08-06 | 208.17 | 209.03 | 202.03 | 206.28 | — |
| 2026-08-05 | 210.6 | 212.18 | 205.8 | 206.63 | — |
| 2026-08-04 | 200.6 | 209.74 | 199.93 | 208.45 | — |
| 2026-07-31 | 207.31 | 208.05 | 202.57 | 202.95 | — |
| 2026-07-30 | 204.38 | 210.18 | 203.09 | 207.93 | — |
| 2026-07-29 | 210.84 | 218.53 | 206.26 | 209.23 | — |
| 2026-07-28 | 201.01 | 207.72 | 199.4 | 205.61 | — |
| 2026-07-27 | 202.75 | 204.47 | 199.83 | 200.14 | — |
| 2026-07-24 | 202.24 | 203.3 | 200.04 | 202.19 | — |
| 2026-07-23 | 197.04 | 203.51 | 196.91 | 200.62 | — |
| 2026-07-22 | 203.7 | 204.3 | 197.4 | 197.74 | — |
| 2026-07-21 | 199.47 | 203.7 | 198.59 | 203.16 | — |
| 2026-07-20 | 204.08 | 205.65 | 199.62 | 199.95 | — |
| 2026-07-17 | 209.01 | 215.67 | 203.46 | 205.99 | — |
| 2026-07-16 | 198.26 | 209.64 | 194.67 | 208.92 | — |
| 2026-07-15 | 191.21 | 198.58 | 186.02 | 197.24 | — |
| 2026-07-14 | 200.34 | 201.9 | 189.4 | 191.95 | — |
| 2026-07-13 | 199.33 | 210.87 | 197.74 | 209.03 | — |
| 2026-07-10 | 197.63 | 199.98 | 194.37 | 199.15 | — |
| 2026-07-09 | 198.92 | 201 | 196 | 198.91 | — |
| 2026-07-08 | 204.86 | 206.75 | 198.93 | 200.36 | — |
| 2026-07-07 | 211.86 | 212 | 205.65 | 205.7 | — |
| 2026-07-06 | 215.95 | 215.95 | 208.27 | 208.46 | — |
| 2026-07-02 | 212.53 | 219 | 210.75 | 216.12 | — |
| 2026-07-01 | 215.25 | 215.76 | 209.67 | 209.74 | — |
| 2026-06-30 | 218 | 218 | 212.58 | 216.06 | — |
| 2026-06-29 | 215.01 | 219.72 | 214.08 | 216.63 | — |
| 2026-06-26 | 202.99 | 218.06 | 202.29 | 216.03 | — |
| 2026-06-25 | 201.63 | 206.66 | 200.2 | 201.96 | — |
| 2026-06-24 | 199.34 | 202.06 | 198.66 | 199.59 | — |
| 2026-06-23 | 198.87 | 201.22 | 197.01 | 197.19 | — |
| 2026-06-22 | 199.48 | 200.98 | 194.74 | 199.71 | — |
| 2026-06-18 | 200.22 | 200.99 | 193.2 | 196.58 | — |
| 2026-06-17 | 195.14 | 201.75 | 194.04 | 198.67 | — |
| 2026-06-16 | 199.69 | 200.26 | 194.04 | 195.61 | — |
| 2026-06-15 | 199.09 | 199.37 | 195.89 | 198.64 | — |
| 2026-06-12 | 201.29 | 203.45 | 199.06 | 200.05 | — |
| 2026-06-11 | 195.49 | 201.18 | 194.24 | 199.96 | — |
| 2026-06-10 | 200.12 | 201.94 | 194.1 | 194.24 | — |
| 2026-06-09 | 195.51 | 199.63 | 193.48 | 199.1 | — |
| 2026-06-05 | 196.45 | 200.66 | 195.14 | 195.34 | — |
| 2026-06-04 | 198 | 199.9 | 196.35 | 196.45 | — |
| 2026-06-03 | 187.69 | 196.36 | 187.48 | 195.96 | — |
| 2026-06-02 | 190 | 190.58 | 184.96 | 188.83 | — |
| 2026-06-01 | 194.5 | 195.28 | 191.67 | 192.23 | — |
| 2026-05-29 | 195.55 | 198.46 | 195.18 | 196 | — |
| 2026-05-28 | 196.97 | 198 | 194.5 | 196.39 | — |
| 2026-05-27 | 194.11 | 199.72 | 194.11 | 196.97 | — |
| 2026-05-22 | 190.53 | 194.75 | 190.01 | 193.76 | — |
| 2026-05-21 | 187.4 | 190.27 | 185.85 | 189.47 | — |
| 2026-05-20 | 191.41 | 193.38 | 186.37 | 187.8 | — |
| 2026-05-19 | 191.65 | 193.03 | 188.64 | 190.56 | — |
| 2026-05-18 | 191.25 | 193.37 | 189.19 | 191.91 | — |
| 2026-05-15 | 191.83 | 194.88 | 190.72 | 192.95 | — |
| 2026-05-14 | 200.25 | 205 | 189.49 | 191.37 | — |
| 2026-05-13 | 199.33 | 205.97 | 198.9 | 204.53 | — |
| 2026-05-12 | 198.45 | 202.4 | 196.47 | 199.36 | — |
| 2026-05-11 | 194.76 | 200.31 | 194.75 | 197.95 | — |
| 2026-05-08 | 189.68 | 195.2 | 189.5 | 193.45 | — |
| 2026-05-07 | 190.34 | 192.1 | 188.86 | 191.38 | — |
| 2026-05-06 | 189.13 | 191.16 | 188.3 | 190.68 | — |
| 2026-05-05 | 187.38 | 189.69 | 186 | 189.13 | — |
| 2026-05-04 | 186.28 | 187.51 | 185.44 | 187.21 | — |
| 2026-05-01 | 189.28 | 190.57 | 186.17 | 187.06 | — |
| 2026-04-30 | 194.04 | 195.98 | 187.16 | 189.28 | — |
| 2026-04-29 | 183.12 | 195.89 | 180.18 | 194.38 | — |
| 2026-04-28 | 182.45 | 184.41 | 181.89 | 183.38 | — |
| 2026-04-27 | 183.16 | 186.15 | 179.15 | 180.67 | — |
| 2026-04-24 | 186.65 | 186.65 | 183.17 | 184.38 | — |
| 2026-04-23 | 189.46 | 190.32 | 187.01 | 187.88 | — |
| 2026-04-22 | 188.81 | 192.75 | 188.71 | 190.07 | — |
| 2026-04-21 | 184.52 | 187.74 | 181.75 | 185.95 | — |
| 2026-04-20 | 179.54 | 184.26 | 178.94 | 183.34 | — |
| 2026-04-17 | 176.29 | 178.4 | 175.69 | 177.35 | — |
| 2026-04-16 | 178.68 | 179.5 | 174.85 | 176.02 | — |
| 2026-04-15 | 179.36 | 180.87 | 177.7 | 180.54 | — |
| 2026-04-14 | 177.71 | 181.77 | 177.45 | 178.96 | — |
| 2026-04-13 | 172.62 | 176.79 | 171.22 | 176.37 | — |
| 2026-04-10 | 177.97 | 177.97 | 172.32 | 172.97 | — |
| 2026-04-09 | 177.81 | 180.06 | 174.96 | 177.11 | — |
| 2026-04-08 | 178.24 | 180.17 | 176.35 | 179.9 | — |
| 2026-04-07 | 172.21 | 175.61 | 170.43 | 175.61 | — |
| 2026-04-06 | 177 | 177 | 168.64 | 172.34 | — |
| 2026-04-02 | 181.46 | 182.23 | 176.39 | 177.34 | — |
| 2026-04-01 | 183.17 | 186.31 | 181.71 | 183.78 | — |
| 2026-03-31 | 179.46 | 184.68 | 171.37 | 183.33 | — |
| 2026-03-30 | 186.16 | 190.09 | 185.55 | 187.57 | — |
| 2026-03-27 | 191.06 | 191.06 | 183.01 | 183.84 | — |
| 2026-03-26 | 189 | 192.27 | 188.35 | 191.06 | — |
| 2026-03-25 | 184.91 | 189.38 | 184.91 | 189.18 | — |
| 2026-03-24 | 182.63 | 184.84 | 180.33 | 183.94 | — |
| 2026-03-23 | 183.48 | 185 | 183.02 | 183.64 | — |
| 2026-03-20 | 183.13 | 183.69 | 180.48 | 181.46 | — |
| 2026-03-19 | 182.18 | 185.45 | 181.68 | 183.41 | — |
| 2026-03-18 | 184.13 | 184.32 | 180.48 | 182.31 | — |
| 2026-03-17 | 184.73 | 186.52 | 183.2 | 185.29 | — |
| 2026-03-16 | 182.76 | 184.62 | 181.88 | 183.26 | — |
| 2026-03-13 | 185.99 | 188 | 181.46 | 181.55 | — |
| 2026-03-12 | 187.86 | 188.91 | 184.63 | 184.9 | — |
| 2026-03-11 | 187.54 | 192.99 | 187.54 | 190.48 | — |
| 2026-03-10 | 187.69 | 190.78 | 187.02 | 188.41 | — |
| 2026-03-09 | 183.91 | 188.5 | 182.6 | 188.24 | — |
| 2026-03-06 | 186.25 | 186.25 | 181.24 | 184.87 | — |
| 2026-03-05 | 187.97 | 190.99 | 185.95 | 188.08 | — |
| 2026-03-04 | 185.06 | 190.37 | 183.16 | 189.94 | — |