Biogen Stock (BIIB)

Track Biogen stock through TheStreet Pro's latest coverage, including articles, Daily Diary mentions, TheStreet Pro portfolio activity, contributor watchlist signals, and Pro price levels.

At close
$206.63
-1.82 (-0.87%)
Aug 5, 4:00 PM ET
After-hours
$206.63
+0.00 (0.00%)
Aug 5, 7:34 PM ET
$140$160$180$200Aug '25Oct '25Dec '25Mar '26May '26Aug '26
Market Cap
$29.99B
P/E Ratio
35.7x
1Y Return
+55.49%
EPS (TTM)
$5.65