See inside every stock. Pro
S&P 5007,624▼ 0.52%Nasdaq25,955▼ 0.21%Dow Jones52,215▼ 1.23%Nasdaq 10028,958▼ 0.00%VIX19.45▲ 2.21%US Dollar101.75▲ 0.14%Gold spot3,994▼ 0.75%WTI103.27▲ 3.82%
← BIIB stock page

Biogen Inc. historical data

1M3M6M1Y5YMAXDownload CSV
DateOpenHighLowCloseAdj. closeVolume
2014-08-22339.84341.90337.00339.97339.97677,300
2014-08-21342.73344.42337.19338.65338.65663,700
2014-08-20343.68345.46340.67342.58342.58700,100
2014-08-19344.82348.49343.29345.84345.84815,700
2014-08-18347.59348.40342.09344.60344.601,223,600
2014-08-15339.25343.03330.70342.47342.471,722,400
2014-08-14335.05338.51333.66337.01337.011,319,200
2014-08-13325.51335.39324.13334.64334.641,449,200
2014-08-12319.96325.64317.00324.96324.961,045,600
2014-08-11327.30327.44319.07320.34320.34983,000
2014-08-08320.88326.40319.32324.05324.051,196,900
2014-08-07326.00327.36319.80320.60320.60872,700
2014-08-06324.06328.49322.00325.20325.20940,600
2014-08-05325.58328.55322.14325.23325.231,144,600
2014-08-04330.08330.94325.76326.55326.55989,300
2014-08-01332.93337.82325.85329.83329.831,319,300
2014-07-31342.72342.86333.35334.39334.391,168,500
2014-07-30344.45349.00343.02344.52344.521,303,300
2014-07-29337.00344.07335.70341.73341.731,286,000
2014-07-28334.68338.34332.10336.39336.39995,600
2014-07-25334.78337.50332.77335.45335.451,068,600
2014-07-24337.60339.83335.22336.79336.791,599,900
2014-07-23335.00343.59331.00337.60337.604,143,000
2014-07-22305.18308.68302.94303.67303.671,200,100
2014-07-21303.04304.24300.40302.50302.501,027,800
2014-07-18301.12305.82298.64304.10304.101,550,700
2014-07-17301.85307.99298.31299.29299.291,651,300
2014-07-16313.83313.83302.55303.74303.741,803,800
2014-07-15320.76321.81311.92312.00312.001,391,100
2014-07-14325.12325.12319.06319.75319.75876,500
2014-07-11320.00323.44316.04322.22322.22946,900
2014-07-10317.10321.41315.00319.12319.12825,300
2014-07-09322.62322.87313.61320.14320.141,027,100
2014-07-08324.00324.60316.91317.59317.591,235,700
2014-07-07329.40332.97324.00325.68325.68802,300
2014-07-03330.80332.93328.23331.15331.15700,600
2014-07-02325.25332.78324.01331.00331.001,183,800
2014-07-01317.03326.23315.24324.74324.741,179,500
2014-06-30317.16319.62315.01315.31315.31938,200
2014-06-27318.57320.99315.67318.13318.13969,400
2014-06-26315.68319.88312.87318.63318.631,027,500
2014-06-25313.09318.00312.58314.76314.761,051,700
2014-06-24313.59319.26312.66314.23314.231,105,200
2014-06-23318.01321.89312.87313.46313.46889,100
2014-06-20313.85319.89312.50319.59319.592,088,800
2014-06-19310.67313.53308.45311.98311.981,034,500
2014-06-18305.51310.36304.62309.81309.811,068,300
2014-06-17306.99307.46302.01304.79304.79860,400
2014-06-16309.60312.95306.76307.97307.97890,700
2014-06-13310.50311.38306.40309.98309.98773,200
2014-06-12310.72314.07308.10309.78309.78802,700
2014-06-11314.04314.99308.00310.72310.72909,700
2014-06-10316.20319.84312.61315.44315.441,015,900
2014-06-09320.00321.48316.08318.16318.16775,200
2014-06-06321.96322.05314.29317.55317.55872,800
2014-06-05320.17321.20315.82320.13320.131,116,900
2014-06-04315.87320.00314.01319.18319.18740,600
2014-06-03316.37318.87313.77316.86316.86786,200
2014-06-02318.93320.03310.61318.22318.22754,700
2014-05-30320.80322.25317.93319.37319.371,294,400
← NewerPage 52 of 79 · 4,733 trading daysOlder →

Stock splits

DateSplit (new : old)
2001-01-183:1
1999-12-212:1

Dividends

No dividends on record.

Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.