sharethestock

Biogen Inc. Common Stock (BIIB)

XNAS: BIIB · USD
$229.41at end of selection
+58.55%

+$84.72 per share

Oct 13, 2025 – Oct 12, 2026

Edit dates
→

Intraday times are shown in Eastern Time.

15-min delayed · Oct 12, 2026Drag to select ↔

Biogen Inc. Common Stock (BIIB) price history

Biogen Inc. Common Stock trades under BIIB on XNAS. Over Oct 13, 2025 – Oct 12, 2026, the available closing prices moved from $144.69 to $229.41, a change of +58.55%.

Prices through . 15-min delayed. Split-adjusted price change in USD; dividends are not included. These are historical observations, not a live quote.

Select dates in the chart to measure a price change, compare other assets, or calculate a hypothetical position’s gain or loss.

Browse all stock and ETF charts →