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stockNASDAQ: BIIB • 7 Days Updates

Biogen Stock (BIIB)

Showing Closing Date Range from Aug, 28 to Sep, 04, 2026.

Biogen is a biotechnology pioneer discovering and developing therapies for neurological and neurodegenerative diseases.

Latest Close USD
$220.83
Latest session close
+$2.33vs period start
Period Return % % GAIN
+1.07%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$225.8 / $213.58
Period range envelope
$12.22channel spread
Total Volume SHARES
4.42M
Period turnover
Avg: 736.3K/dLiquidity

Price & Performance Trajectory

Interactive time series. Toggle metrics in scorecards above to customize chart views.

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(6 dates)
DateClose (USD)Return %HighLowVolume
Aug 28, 2026$218.50-1.21% $222.00$216.78517.4K
Aug 31, 2026$216.65+0.08% $218.89$213.58831.0K
Sep 01, 2026$216.04-0.28% $219.30$213.60785.5K
Sep 02, 2026$222.67+3.07% $225.59$216.971.27M
Sep 03, 2026$224.51+0.83% $225.80$221.23550.7K
Sep 04, 2026$220.83-1.64% $223.82$219.82465.1K