If you invested $1,000 in Biogen in 2021
$1,000 invested in Biogen at the January 2021 close would be worth $883.37 as of October 29, 2026, with dividends reinvested.
By initial investment
| Initial amount | Price only | Dividends reinvested |
|---|---|---|
| $100.00 | $88.34 | $88.34 |
| $1,000.00 | $883.37 | $883.37 |
| $10,000.00 | $8,833.73 | $8,833.73 |
The latest month may be incomplete. Crypto uses closing prices for both modes.
YOUR INVESTMENT TODAY
$883.37
$-116.63 total gain · -11.66% total return
Amount invested$1,000.00
Annualized (CAGR)-2.13%
Investment multiple0.88×
● Your investment● S&P 500 (SPY)
Your questions, answered
How much would $1,000 in Biogen in 2021 be worth today?
$1,000 invested in Biogen at the January 2021 close would be worth $883.37 as of October 29, 2026, with dividends reinvested.