Biogen BIIB
NASDAQ BIIB
$253.40 +2.92 (+1.17%)
At close: Nov 13, 2026 · 4:00 PM EST

Biogen (BIIB) EPS (Diluted) (2009 - 2026)

Updated

Biogen's EPS (Diluted) was -$0.14 in Q3 2026, compared with $3.17 a year earlier.

Analysis

Biogen (BIIB) EPS (Diluted) (2009 - 2026) Analysis & Trends

On a trailing twelve-month basis, Biogen's EPS (Diluted) was $2.35 through Sep 30, 2026, down 78.5% year-over-year; for FY2025, it was $8.79, down 21.4% from FY2024.

  • EPS (Diluted) shows a five-year compound annual growth rate of -18.7% (FY2020 to FY2025).
  • In earlier years, EPS (Diluted) was $11.19 in FY2024 (+40.3%), $7.97 in FY2023 (-61.8%), $20.87 in FY2022 (+100.6%) and $10.40 in FY2021 (-58.1%).
  • Quarterly EPS (Diluted) has moved between -$0.47 (Q3 2023) and $7.84 (Q3 2022) over five years.
  • Compared with a year earlier, EPS (Diluted) was higher in four of the last six quarters, with an average decline of 9.8%.
  • The best year-over-year quarter for EPS (Diluted) over five years was Q3 2022 (growth of 253.7%); the worst was Q2 2026 (a decline of 84.8%).
  • Per Business Quant data, BIIB's EPS (Diluted) in the three quarters before Q3 2026 was $0.66 (Q2 2026), $2.15 (Q1 2026) and -$0.33 (Q4 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) EPS (Diluted) (Qtr)
1 Eli Lilly 1,359.75 Bn 1,333.37 Bn 20.46 Bn 7.22
2 Johnson & Johnson 688.76 Bn 608.62 Bn 17.30 Bn 0.09
3 AbbVie 521.69 Bn 489.75 Bn 13.12 Bn 2.38
4 Merck 364.31 Bn 327.31 Bn 13.19 Bn 2.04
5 Novartis Ag 306.35 Bn 279.93 Bn - -
6 Astrazeneca 285.96 Bn 259.56 Bn 13.26 Bn 2.00
7 Amgen 251.88 Bn 203.53 Bn 7.58 Bn 7.08
8 Gilead Sciences 208.59 Bn 183.61 Bn 6.73 Bn 1.94
9 Pfizer 164.73 Bn 112.38 Bn 12.56 Bn 0.56
10 Biogen 37.46 Bn 26.77 Bn 2.06 Bn -0.14
Historic Data

Historic Data

Download Data
DateValue
Sep 30, 2026 -0.14
Jun 30, 2026 0.66
Mar 31, 2026 2.15
Dec 31, 2025 -0.33
Sep 30, 2025 3.17
Jun 30, 2025 4.33
Mar 31, 2025 1.64
Dec 31, 2024 1.83
Sep 30, 2024 2.66
Jun 30, 2024 4.00
Mar 31, 2024 2.70
Dec 31, 2023 1.71
Sep 30, 2023 -0.47
Jun 30, 2023 4.07
Mar 31, 2023 2.67
Dec 31, 2022 3.77
Sep 30, 2022 7.84
Jun 30, 2022 7.24
Mar 31, 2022 2.06
Dec 31, 2021 2.46
API Access

Biogen EPS (Diluted) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=eps-diluted&ticker=BIIB&period=max&api_key=YOUR_API_KEY