Biogen Inc.
NASDAQBiogen heads into the final weeks of Q3 with an unusual divergence: the stock has quietly gained ground while short sellers have been adding exposure at their fastest pace in months. The short interest story is the week's clearest tension. Bears have rebuilt positions sharply — short interest climbed roughly 16% over the past week to nearly 3.95% of the free float, the steepest…
Snapshot as of 10 Oct 2026
Biogen heads into the final weeks of Q3 with an unusual divergence: the stock has quietly gained ground while short sellers have been adding exposure at their fastest pace in months. The short interest story is the…
BIIB reported Q2 results this morning with an unusual setup: options traders turned sharply more defensive just as short sellers were quietly adding to positions — a tension worth unpacking given the stock's modest…
BIIB heads into its July 29 earnings date swimming against the biotech tide — down nearly 5% on the week while close peers REGN and IONS each rallied more than 7% over the same period. The divergence is notable. Where…
BIIB heads into its June 9 earnings print with a notable upgrade landing just hours before the bell, creating a sharp contrast with a defensive options tape and a short book that has grown steadily all month. The…
BIIB pulls back into its June 9 earnings print with the stock softer on the week and short sellers adding positions at a pace that has gone largely unnoticed — the quieter story beneath an otherwise bullish analyst…
BIIB enters its June 9 earnings event with a busier-than-usual week of Street activity — analysts raising targets, a securities fraud investigation making noise in the background, and a pipeline setback still fresh in…
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