BIIB

BIOGEN INC.

Company with tickers: BIIB

CIK
875045
CUSIP
09062X103
Shares Outstanding
146,758,528

Short Volume (Last 90 Days)

Date Short Volume Short Exempt Total Volume Short %
2026-04-17 189,809 460 335,845 56.5%
2026-04-16 127,807 154 264,228 48.4%
2026-04-15 228,393 28 344,709 66.3%
2026-04-14 408,399 2 607,748 67.2%
2026-04-13 371,442 450 656,670 56.6%
2026-04-10 247,076 6 407,021 60.7%
2026-04-09 312,890 0 560,105 55.9%
2026-04-08 236,764 0 495,732 47.8%
2026-04-07 255,684 51 544,890 46.9%
2026-04-06 399,369 4 880,715 45.3%