Biogen (BIIB) earnings date

BIIB reports Friday, Feb 5, 2027, before the open. After the last 4 reports the stock moved −3.4%, +1.8%, +6.0%, +8.5% the next day.

Latest report · Oct 28, 2026

EPS 2.62 against an estimate of 1.99 (+31.5% surprise). The stock moved −3.4% the next trading day.

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Latest analysis: Biogen (BIIB) stock analysis, November 3, 2026: Uptrend intact, trading just below its 52-week high

Next report

Friday, Feb 5, 2027, before the open

BIIB is expected to report on Friday, Feb 5, 2027, before the open (US Eastern time).

How BIIB moved after earnings

Report	Time	EPS est.	EPS	Surprise	Next day	Week
Oct 28, 2026	before the open	1.99	2.62	+31.5%	−3.4%	−1.5%
Jul 29, 2026	before the open	2.03	3.60	+77.4%	+1.8%	+1.4%
Apr 29, 2026	before the open	2.89	3.57	+23.6%	+6.0%	+3.1%
Feb 6, 2026	before the open	1.62	1.99	+23.2%	+8.5%	+5.5%
Oct 30, 2025	before the open	3.88	4.81	+23.9%	+1.2%	+3.8%
Jul 31, 2025	before the open	3.88	5.47	+41.0%	+1.1%	+2.1%
May 1, 2025	before the open	2.95	3.02	+2.4%	−0.1%	−3.2%
Feb 12, 2025	before the open	3.36	3.44	+2.3%	−4.3%	−1.9%

Average move the next trading day over the last 8 reports: ±3.3% (5 of 8 up).

Into the report

BIIB is in an uptrend, momentum firm. $250 is the level overhead; $228.34 the first support below.

BIIB at $248.93. Nearest resistance $250.00 (+0.4%). Nearest support $228.34 (−8.3%).

BIIB chart, levels and analysis · Earnings this week

Set an alert at $250.00 or $228.34 into the report and get a message when the BIIB setup changes — the agent team watches it for you.Create a free account

Questions about BIIB earnings

When is BIIB's next earnings date?

BIIB is expected to report on Friday, Feb 5, 2027, before the open.

What time does BIIB report earnings?

BIIB reports before the open, US Eastern time.

How did BIIB stock react to its last earnings?

After its report on Oct 28, 2026, BIIB moved −3.4% the next trading day.

How much does BIIB usually move after earnings?

Over the last 8 reports, BIIB moved 3.3% on average the next trading day, up 5 times out of 8.