Biogen Idec Inc. | BIIB

Buy
$266.70
Purchase price (06.21.17)
$286.72
Current price (08.22.17)
7.51%
Return
Biogen Idec Inc.
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DatePriceChange% changeActionReturn
8/22/17$286.72$3.570.00Buy7.51%
8/21/17$283.15$1.380.00Buy6.17%
8/18/17$281.77$-2.650.00Buy5.65%
8/17/17$284.42$-9.660.00Buy6.64%
8/16/17$294.08$6.160.00Buy10.27%
8/15/17$287.92$1.870.00Buy7.96%
8/14/17$286.05$2.370.00Buy7.26%
8/11/17$283.68$2.530.00Buy6.37%
8/10/17$281.15$-7.720.00Buy5.42%
8/9/17$288.87$-0.390.00Buy8.31%
8/8/17$289.26$-1.750.00Buy8.46%
8/7/17$291.01$2.740.00Buy9.12%
8/4/17$288.27$2.180.00Buy8.09%
8/3/17$286.09$-1.910.00Buy7.27%
8/2/17$288.00$-3.150.00Buy7.99%
8/1/17$291.15$1.560.00Buy9.17%
7/31/17$289.59$2.150.00Buy8.58%
7/28/17$287.44$-0.510.00Buy7.78%
7/27/17$287.95$-7.660.00Buy7.97%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$0.000.00Buy6.10%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/26/17$295.61$12.650.00Buy10.84%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/25/17$282.96$-1.740.00Buy6.10%
7/24/17$284.70$1.780.00Buy6.75%
7/21/17$282.92$1.480.00Buy6.08%
7/20/17$281.44$-0.510.00Buy5.53%
7/19/17$281.95$-0.650.00Buy5.72%
7/18/17$282.60$-0.050.00Buy5.96%
7/17/17$282.65$1.840.00Buy5.98%
7/14/17$280.81$2.450.00Buy5.29%
7/13/17$278.36$3.280.00Buy4.37%
7/12/17$275.08$3.320.00Buy3.14%
7/11/17$271.76$-1.820.00Buy1.90%
7/10/17$273.58$-0.350.00Buy2.58%
7/7/17$273.93$1.970.72Buy2.71%
7/6/17$271.96$-5.75-2.07Buy1.97%
7/5/17$277.71$5.191.90Buy4.13%
7/3/17$272.52$1.160.43Buy2.18%
6/30/17$271.36$-0.52-0.19Buy1.75%
6/29/17$271.88$-2.76-1.00Buy1.94%
6/28/17$274.64$3.391.25Buy2.98%
6/27/17$271.25$-8.56-3.06Buy1.71%
6/26/17$279.81$-0.51-0.18Buy4.92%
6/23/17$280.32$-0.25-0.09Buy5.11%
6/22/17$280.57$1.970.71Buy5.20%
6/21/17$278.60$12.604.74Buy4.46%
6/20/17$266.00$5.462.10Sell6.57%
6/19/17$260.54$8.803.50Sell8.49%
6/16/17$251.74$-3.28-1.29Sell11.58%
6/15/17$255.02$1.650.65Sell10.43%
6/14/17$253.37$-8.05-3.08Sell11.00%
6/13/17$261.42$-0.69-0.26Sell8.18%
6/12/17$262.11$2.220.85Sell7.93%
6/9/17$259.89$2.721.06Sell8.71%
6/8/17$257.17$1.740.68Sell9.67%
6/7/17$255.43$-1.73-0.67Sell10.28%
6/6/17$257.16$-1.34-0.52Sell9.67%
6/5/17$258.50$1.850.72Sell9.20%
6/2/17$256.65$4.271.69Sell9.85%
6/1/17$252.38$4.611.86Sell11.35%
5/31/17$247.77$1.230.50Sell12.97%
5/30/17$246.54$-4.26-1.70Sell13.40%
5/26/17$250.80$-2.17-0.86Sell11.91%
5/25/17$252.97$-0.36-0.14Sell11.15%
5/24/17$253.33$5.232.11Sell11.02%
5/23/17$248.10$-1.94-0.78Sell12.86%
5/22/17$250.04$-0.05-0.02Sell12.17%
5/19/17$250.09$-2.72-1.08Sell12.16%
5/18/17$252.81$1.470.58Sell11.20%
5/17/17$251.34$-6.30-2.45Sell11.72%
5/16/17$257.64$-0.89-0.34Sell9.50%
5/15/17$258.53$3.691.45Sell9.19%
5/12/17$254.84$0.690.27Sell10.49%
5/11/17$254.15$-3.77-1.46Sell10.73%
5/10/17$257.92$-3.36-1.29Sell9.41%
5/9/17$261.28$0.860.33Sell8.23%
5/8/17$260.42$-1.73-0.66Sell8.53%
5/5/17$262.15$-6.45-2.40Sell7.92%
5/4/17$268.60$-2.76-1.02Sell5.66%
5/3/17$271.36$0.020.01Sell4.69%
5/2/17$271.34$0.310.11Sell4.69%
5/1/17$271.03$-0.18-0.07Sell4.80%
4/28/17$271.21$-5.36-1.94Sell4.74%
4/27/17$276.57$-3.41-1.22Sell2.86%
4/26/17$279.98$-6.91-2.41Sell1.66%
4/25/17$286.89$10.033.62Sell-0.77%
4/24/17$276.86$3.921.44Sell2.75%
4/21/17$272.94$0.480.18Sell4.13%
4/20/17$272.46$0.520.19Sell4.30%
4/19/17$271.94$0.780.29Sell4.48%
4/18/17$271.16$-2.89-1.05Sell4.76%
4/17/17$274.05$2.170.80Sell3.74%
4/13/17$271.88$2.961.10Sell4.50%
4/12/17$268.92$0.270.10Sell5.54%
4/11/17$268.65$-0.65-0.24Sell5.64%
4/10/17$269.30$0.570.21Sell5.41%
4/7/17$268.73$-2.21-0.82Sell5.61%
4/6/17$270.94$0.500.18Sell4.83%
4/5/17$270.44$-3.80-1.39Sell5.01%
4/4/17$274.24$1.550.57Sell3.67%
4/3/17$272.69$-0.73-0.27Sell4.22%
3/31/17$273.42$4.361.62Sell3.96%
3/30/17$269.06$0.530.20Sell5.49%
3/29/17$268.53$-5.58-2.04Sell5.68%
3/28/17$274.11$-1.12-0.41Sell3.72%
3/27/17$275.23$0.410.15Sell3.33%
3/24/17$274.82$-0.59-0.21Sell3.47%
3/23/17$275.41$-2.46-0.89Sell3.26%
3/22/17$277.87$2.080.75Sell2.40%
3/21/17$275.79$0.990.36Sell3.13%
3/20/17$274.80$-1.29-0.47Sell3.48%
3/17/17$276.09$-2.87-1.03Sell3.02%
3/16/17$278.96$-13.68-4.67Sell2.02%
3/15/17$292.64$0.170.06Buy2.34%
3/14/17$292.47$-0.48-0.16Buy2.28%
3/13/17$292.95$0.710.24Buy2.45%
3/10/17$292.24$-0.82-0.28Buy2.20%
3/9/17$293.06$-1.03-0.35Buy2.49%
3/8/17$294.09$2.991.03Buy2.85%
3/7/17$291.10$-4.56-1.54Buy1.80%
3/6/17$295.66$-2.19-0.74Buy3.40%
3/3/17$297.85$4.261.45Buy4.16%
3/2/17$293.59$0.330.11Buy2.67%
3/1/17$293.26$4.661.61Buy2.56%
2/28/17$288.60$-2.53-0.87Buy0.93%
2/27/17$291.13$6.002.10Buy1.81%
2/24/17$285.13$0.380.13Buy-0.29%
2/23/17$284.75$-2.88-1.00Buy-0.42%
2/22/17$287.63$0.730.25Buy0.59%
2/21/17$286.90$-2.04-0.71Buy0.33%
2/17/17$288.94$-1.19-0.41Buy1.05%
2/16/17$290.13$-2.51-0.86Buy1.46%
2/15/17$292.64$7.502.63Buy2.34%
2/14/17$285.14$6.232.23Sell1.22%
2/13/17$278.91$4.151.51Sell3.38%
2/10/17$274.76$4.321.60Sell4.82%
2/9/17$270.44$1.700.63Sell6.32%
2/8/17$268.74$2.630.99Sell6.90%
2/7/17$266.11$1.200.45Sell7.82%
2/6/17$264.91$0.240.09Sell8.23%
2/3/17$264.67$0.440.17Sell8.31%
2/2/17$264.23$-17.46-6.20Sell8.47%
2/1/17$281.69$4.451.61Sell2.42%
1/31/17$277.24$1.180.43Sell3.96%
1/30/17$276.06$-2.15-0.77Sell4.37%
1/27/17$278.21$-0.68-0.24Sell3.62%
1/26/17$278.89$5.652.07Sell3.39%
1/25/17$273.24$-0.58-0.21Sell5.35%
1/24/17$273.82$-2.20-0.80Sell5.14%
1/23/17$276.02$-4.64-1.65Sell4.38%
1/20/17$280.66$0.310.11Sell2.77%
1/19/17$280.35$-3.26-1.15Sell2.88%
1/18/17$283.61$0.600.21Sell1.75%
1/17/17$283.01$-1.74-0.61Sell1.96%
1/13/17$284.75$-3.02-1.05Sell1.36%
1/12/17$287.77$0.660.23Sell0.31%
1/11/17$287.11$-10.68-3.59Sell0.54%
1/10/17$297.79$-1.23-0.41Buy3.67%
1/9/17$299.02$4.021.36Buy4.10%
1/6/17$295.00$1.430.49Buy2.70%
1/5/17$293.57$-0.48-0.16Buy2.20%
1/4/17$294.05$2.340.80Buy2.37%
1/3/17$291.71$8.132.87Buy1.56%
12/30/16$283.58$-3.45-1.20Sell1.56%
12/29/16$287.03$-2.22-0.77Sell0.36%
12/28/16$289.25$-1.87-0.64Buy-0.08%
12/27/16$291.12$3.591.25Buy0.57%
12/23/16$287.53$4.461.58Sell4.03%
12/22/16$283.07$-0.04-0.01Sell5.52%
12/21/16$283.11$-2.48-0.87Sell5.51%
12/20/16$285.59$6.822.45Sell4.68%
12/19/16$278.77$-7.63-2.66Sell6.96%
12/16/16$286.40$-0.57-0.20Sell4.41%
12/15/16$286.97$0.720.25Sell4.22%
12/14/16$286.25$-1.13-0.39Sell4.46%
12/13/16$287.38$0.890.31Sell4.08%
12/12/16$286.49$-1.28-0.44Sell4.38%