The Weighing Machine

Historical Returns Database

Biogen Inc. (BIIB)
Year-to-date (December 31, 2025 to February 24, 2026), BIIB returned 10.88% versus 0.80% for the S&P 500 (SPY) and -1.05% for Nasdaq 100 (QQQ).
Ticker Company Name Total Returns $1 turns into Annualized Returns Annualized Volatility Sharpe Ratio
BIIB Biogen Inc. 10.88% $1.11 98.40% 41.30% 2.38
SPY SPDR S&P 500 ETF Trust 0.80% $1.01 5.40% 11.88% 0.45
QQQ Invesco QQQ Trust, Series 1 -1.05% $0.99 -6.75% 16.00% -0.42
In the past 12 months (February 24, 2025 to February 24, 2026), BIIB returned 38.13% versus 16.44% for the S&P 500 (SPY) and 17.52% for Nasdaq 100 (QQQ).
Ticker Company Name Total Returns $1 turns into Annualized Returns Annualized Volatility Sharpe Ratio
BIIB Biogen Inc. 38.13% $1.38 38.13% 34.23% 1.11
SPY SPDR S&P 500 ETF Trust 16.44% $1.16 16.44% 19.39% 0.85
QQQ Invesco QQQ Trust, Series 1 17.52% $1.18 17.52% 23.35% 0.75
In the past 5 years (February 25, 2021 to February 24, 2026), BIIB returned -29.62% versus 92.58% for the S&P 500 (SPY) and 100.23% for Nasdaq 100 (QQQ). $1 invested in BIIB in 2021 became $0.70 in 2026.
Ticker Company Name Total Returns $1 turns into Annualized Returns Annualized Volatility Sharpe Ratio
BIIB Biogen Inc. -29.62% $0.70 -6.78% 38.03% -0.18
SPY SPDR S&P 500 ETF Trust 92.58% $1.93 14.00% 17.03% 0.82
QQQ Invesco QQQ Trust, Series 1 100.23% $2.00 14.90% 22.54% 0.66
In the past 10 years (February 29, 2016 to February 24, 2026), BIIB had an annualized return of -2.81% versus 15.41% for the S&P 500 (SPY) and 20.38% for Nasdaq 100 (QQQ). $1 invested in BIIB in 2016 became $0.75 in 2026.
Ticker Company Name Total Returns $1 turns into Annualized Returns Annualized Volatility Sharpe Ratio
BIIB Biogen Inc. -24.78% $0.75 -2.81% 41.41% -0.07
SPY SPDR S&P 500 ETF Trust 318.96% $4.19 15.41% 17.88% 0.86
QQQ Invesco QQQ Trust, Series 1 538.45% $6.38 20.38% 22.20% 0.92
Since April 2006 (April 10, 2006 to February 24, 2026) BIIB had an annualized return of 7.68% versus 10.76% for the S&P 500 (SPY) and 15.23% for Nasdaq 100 (QQQ). $1 invested in BIIB in 2006 became $4.36 in 2026.
Ticker Company Name Total Returns $1 turns into Annualized Returns Annualized Volatility Sharpe Ratio
BIIB Biogen Inc. 336.04% $4.36 7.68% 38.67% 0.20
SPY SPDR S&P 500 ETF Trust 664.15% $7.64 10.76% 19.44% 0.55
QQQ Invesco QQQ Trust, Series 1 1575.96% $16.76 15.23% 22.02% 0.69

Returns adjusted for splits and dividends.

Period start date is the earliest common trading day in the selected time period across all tickers.