If you invested $1,000 in Biogen in 2009
$1,000 invested in Biogen at the January 2009 close would be worth $5,131.55 as of October 29, 2026, with dividends reinvested.
By initial investment
| Initial amount | Price only | Dividends reinvested |
|---|---|---|
| $100.00 | $513.16 | $513.16 |
| $1,000.00 | $5,131.55 | $5,131.55 |
| $10,000.00 | $51,315.52 | $51,315.52 |
The latest month may be incomplete. Crypto uses closing prices for both modes.
YOUR INVESTMENT TODAY
$5,131.55
$4,131.55 total gain · 413.16% total return
Amount invested$1,000.00
Annualized (CAGR)9.65%
Investment multiple5.13×
● Your investment● S&P 500 (SPY)
Your questions, answered
How much would $1,000 in Biogen in 2009 be worth today?
$1,000 invested in Biogen at the January 2009 close would be worth $5,131.55 as of October 29, 2026, with dividends reinvested.