BIIB returns by year
Biogen Inc. has returned +12.7% annually (CAGR) since 1992. Calendar-year, monthly and weekly total returns for Biogen Inc. (BIIB) below, through July 24, 2026 — the most recent year is year-to-date.
Biogen Inc. returns by year (1992–2026)#
Calendar-year returns with each year's path and its dividend contribution (dividend return = total minus price return).
| Year | Start price | End price | Path | Dividend | Total return |
|---|---|---|---|---|---|
| 2026YTD | $175.99 | $202.19 | +0.0% | +14.9% | |
| 2025 | $152.92 | $175.99 | +0.0% | +15.1% | |
| 2024 | $258.77 | $152.92 | +0.0% | -40.9% | |
| 2023 | $276.92 | $258.77 | +0.0% | -6.6% | |
| 2022 | $239.92 | $276.92 | +0.0% | +15.4% | |
| 2021 | $244.86 | $239.92 | +0.0% | -2.0% | |
| 2020 | $296.73 | $244.86 | +0.0% | -17.5% | |
| 2019 | $300.92 | $296.73 | +0.0% | -1.4% | |
| 2018 | $318.57 | $300.92 | +0.0% | -5.5% | |
| 2017 | $283.58 | $318.57 | +0.0% | +12.3% | |
| 2016 | $306.35 | $283.58 | +0.0% | -7.4% | |
| 2015 | $339.45 | $306.35 | +0.0% | -9.8% |
Total return by period
Methodology#
Returns are total returns (dividends reinvested), computed from BIIB's split- and dividend-adjusted closes. The bar chart switches between annual and monthly periods. Annualized return is the compound annual growth rate over the full period. The current year is year-to-date. See also the periodic table of returns. Past performance does not predict future returns; not investment advice.
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FAQ
- What is Biogen Inc.'s average annual return?
- Since 1992, Biogen Inc. (BIIB) has returned about 12.7% a year (the compound annual growth rate) and an average calendar-year return of 41.9%.
- What were Biogen Inc.'s best and worst years?
- Over 1992–2026, the best year was 1995 (+817.6%) and the worst was 1994 (-63.0%).
- How often is Biogen Inc. up in a year?
- 20 of the 34 full years since 1992 were positive — about 59% of the time.