| Period | BIIB | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | -1.19% | +0.75% | +1.02% | -1.95% |
| 5D | -3.73% | +0.54% | +1.77% | -4.27% |
| 1M | -1.13% | +0.60% | +5.69% | -1.72% |
| 3M | +5.61% | +2.45% | +3.70% | +3.16% |
| 6M | +27.75% | +16.81% | +27.37% | +10.93% |
| YTD | +23.81% | +12.67% | +22.26% | +11.14% |
| 1Y | +41.81% | +15.02% | +23.75% | +26.79% |
| 3Y | -12.40% | +82.58% | +111.20% | -94.97% |
| 5Y | -20.90% | +79.57% | +112.58% | -100.47% |