ThetaOwl

Earnings Move History — BIIB

Historical stock price reactions to earnings announcements

Avg Move

+0.7%

Beat Rate

10000%

Avg Surprise

+0.2%

Events

5

Stock Move % on Earnings

DateTimeEPS EstEPS ActSurpriseStock MoveBeat?
Apr 30, 2026$3.03
Dec 31, 2025$1.62$1.99+0.23%-0.2%Yes
Sep 30, 2025$3.88$4.81+0.24%+1.1%Yes
Jun 30, 2025$3.88$5.47+0.41%-0.4%Yes
Mar 31, 2025$2.95$3.02+0.02%-1.1%Yes

Review BIIB historical earnings moves including EPS surprises, beat rates, and post-announcement stock price reactions. Use past earnings data to gauge how the stock typically responds to quarterly results and plan your options strategy around upcoming events.