| Period | BIIB | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +5.34% | -1.18% | -2.86% | +6.52% |
| 5D | +8.72% | -0.33% | -1.93% | +9.05% |
| 1M | +11.56% | -0.50% | -4.96% | +12.06% |
| 3M | +26.83% | +3.36% | +3.28% | +23.47% |
| 6M | +40.50% | +6.82% | +6.06% | +33.68% |
| YTD | +42.75% | +11.83% | +14.90% | +30.93% |
| 1Y | +69.14% | +13.73% | +15.38% | +55.41% |
| 3Y | +0.69% | +80.34% | +96.16% | -79.65% |
| 5Y | -5.96% | +67.70% | +86.40% | -73.66% |