BIIB

Latest market price

202.19

+1.57+0.78%

BIIBQT74Biogen Inc.·NASDAQ

202.19+0.78%

Short Interest History· Twice monthly

Settlement Date	Short Interest	Avg Daily Volume	Shares Float	Short Float %	Short Ratio
Jul-15-26	6.00M	1.26M	146.32M	4.10%	4.77
Jun-30-26	5.72M	1.23M	146.32M	3.91%	4.64
Jun-15-26	5.19M	1.17M	146.32M	3.55%	4.45
May-29-26	4.77M	1.15M	146.32M	3.26%	4.13
May-15-26	4.73M	1.14M	146.32M	3.23%	4.15
Apr-30-26	4.48M	1.26M	146.32M	3.06%	3.54
Apr-15-26	4.41M	1.31M	146.32M	3.02%	3.37
Mar-31-26	3.83M	1.31M	146.32M	2.62%	2.93
Mar-13-26	4.33M	1.65M	146.32M	2.96%	2.63
Feb-27-26	4.20M	1.76M	146.32M	2.87%	2.39
Feb-13-26	4.55M	1.98M	146.32M	3.11%	2.30
Jan-30-26	4.69M	1.98M	146.32M	3.21%	2.38