Wallsti
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BIIB

Biogen Inc. · Healthcare · Drug Manufacturers - General
TECHNeutralZACKSHold R500#445 today
$219.88 -1.32% today · -3.39% 1W
Oct 2 close or latest
PreviewWhy it's moving

Underperforming without a clear catalyst yet

Assembled from Wallsti's own signals.
Next report
Oct 28
Before the open · in 24 days
EPS estimate
$2.03
$1.44 to $2.67 · 26 analysts
Revenue estimate
$2.6B
$2.5B to $2.7B
Track record
8/8 beats
last 8 reports · moved ±3.0% on average

Reports

ReportedQuarterEPS est.EPSEPS surpriseRevenueReactionGap5 days
Jul 29, 2026 BMO 2Q2026 $2.03 $3.60 +$1.57 (+77.4%) beat $2.7B +1.8% +3.3 vs SPY +2.4% +1.4%
Apr 29, 2026 BMO 1Q2026 $2.95 $3.57 +$0.62 (+20.9%) beat $2.5B +6.0% +6.0 vs SPY -0.1% +3.1%
Feb 6, 2026 BMO 4Q2025 $1.62 $1.99 +$0.37 (+23.2%) beat $2.3B +8.5% +6.6 vs SPY +0.9% +5.5%
Oct 30, 2025 BMO 3Q2025 $3.88 $4.81 +$0.93 (+23.9%) beat $2.5B +1.2% +2.3 vs SPY -5.2% +3.8%
Jul 31, 2025 BMO $3.88 $5.47 +$1.59 (+41.0%) beat — +1.1% +1.4 vs SPY +5.0% +2.1%
May 1, 2025 BMO $2.95 $3.02 +$0.07 (+2.4%) beat — -0.1% -0.8 vs SPY -0.6% -3.2%
Feb 12, 2025 BMO $3.36 $3.44 +$0.08 (+2.4%) beat — -4.3% -4.0 vs SPY -1.9% -1.9%
Oct 30, 2024 BMO $3.79 $4.08 +$0.29 (+7.7%) beat — -1.2% -0.9 vs SPY +0.6% -3.6%
Aug 1, 2024 BMO $4.03 $5.28 +$1.25 (+31.0%) beat — -1.2% +0.2 vs SPY +1.2% -6.3%
Apr 24, 2024 BMO $3.46 $3.67 +$0.21 (+6.1%) beat — +4.6% +4.6 vs SPY +3.0% +11.2%
Feb 13, 2024 BMO $3.18 $2.95 −$0.23 (−7.2%) miss — -7.4% -6.0 vs SPY -3.7% -10.4%
Nov 8, 2023 BMO $3.98 $4.36 +$0.38 (+9.5%) beat — -5.7% -5.7 vs SPY 0.0% -8.3%
Jul 25, 2023 BMO $3.76 $4.02 +$0.26 (+6.9%) beat — -2.4% -2.7 vs SPY +1.0% -2.5%
Apr 25, 2023 BMO $3.28 $3.40 +$0.12 (+3.7%) beat — -3.6% -2.0 vs SPY -0.7% +6.2%
Feb 15, 2023 BMO $3.48 $4.05 +$0.57 (+16.4%) beat — -3.5% -3.8 vs SPY -0.4% -5.7%
Oct 25, 2022 BMO $4.13 $4.77 +$0.64 (+15.5%) beat — -0.4% -2.0 vs SPY +1.4% +3.2%
Jul 20, 2022 BMO $4.07 $5.25 +$1.18 (+29.0%) beat — -5.8% -6.4 vs SPY -1.5% -4.3%
May 3, 2022 BMO $4.36 $3.62 −$0.74 (−17.0%) miss — -0.8% -1.2 vs SPY +0.9% -9.5%
Feb 3, 2022 BMO $3.37 $3.39 +$0.02 (+0.6%) beat — -2.1% +0.2 vs SPY -4.4% +0.8%
Oct 20, 2021 BMO $4.10 $4.77 +$0.67 (+16.3%) beat — -0.6% -1.0 vs SPY +0.7% +1.1%
Jul 22, 2021 BMO $4.60 $5.68 +$1.08 (+23.5%) beat — — — —
Apr 22, 2021 BMO $4.94 $5.34 +$0.40 (+8.1%) beat — — — —
Feb 3, 2021 BMO $4.80 $4.58 −$0.22 (−4.6%) miss — — — —
Oct 21, 2020 BMO $8.05 $8.84 +$0.79 (+9.8%) beat — — — —

BMO = before the open, AMC = after the close. Reaction: the first session that could trade on the report (the same day for BMO, the next session for AMC) against the close before it; "vs SPY" subtracts the S&P 500 over the same session. EPS surprise is in dollars, with the percentage only when the estimate is at least $0.10 (near zero, a small beat would show as hundreds of percent). Revenue surprise needs the estimate from before the report, so it starts with the reports Wallsti saw coming.

Analyst estimates

PeriodEPSRangevs year ago90-day trendRevisions 30dRevenuevs year ago
Current quarter · Sep 30, 2026 $2.03 (26) $1.44 – $2.67 -58% -48.4% ▲1 ▼20 $2.6B +4%
Next quarter · Dec 31, 2026 $3.27 (26) $2.77 – $3.87 +64% -8.4% ▲1 ▼1 $2.6B +14%
Current year · Dec 31, 2026 $12.54 (33) $12.00 – $16.39 -18% -5.9% — $10.4B +6%
Next year · Dec 31, 2027 $16.54 (33) $13.33 – $19.29 +32% -0.5% ▲2 ▼0 $10.7B +2%

Consensus as of Oct 4, 2026. Source: Yahoo Finance analyst estimates; schedule and timing also from Nasdaq's earnings calendar.