Biogen (BIIB) Operating Margin (2009 - 2026)
Biogen's Operating Margin came in at -0.32% for Q3 2026, down 22.31 percentage points from 21.99% a year earlier and down 5.16 percentage points from the prior quarter.
Biogen (BIIB) Operating Margin (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Sep 30, 2026, Biogen reported Operating Margin of 4.32%, down 14.59 percentage points year-over-year; for FY2025, it came in at 15.74%, down 3.96 percentage points from FY2024.
- Operating Margin carries a five-year change of -18.11 percentage points (FY2020 to FY2025).
- Going back by year, Operating Margin was 19.70% in FY2024 (+6.51 pp), 13.18% in FY2023 (-22.12 pp), 35.31% in FY2022 (+9.44 pp) and 25.87% in FY2021 (-7.98 pp).
- The five-year range for quarterly Operating Margin is -5.58% (Q3 2023) to 54.66% (Q3 2022).
- Year-over-year, Operating Margin increased in two of the last eight quarters, with an average year-over-year change of -7.73 percentage points.
- The fastest year-over-year change in Operating Margin over five years came in Q4 2021 (a gain of 33.07 percentage points), and the weakest in Q3 2023 (a drop of 60.24 percentage points).
- Business Quant data shows BIIB's Operating Margin at 4.84% (Q2 2026), 15.24% (Q1 2026) and -2.46% (Q4 2025) in the three quarters before Q3 2026.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,359.75 Bn | 1,333.37 Bn | 20.46 Bn | 34.46% |
| 2 | Johnson & Johnson | 688.76 Bn | 608.62 Bn | 17.30 Bn | 24.35% |
| 3 | AbbVie | 521.69 Bn | 489.75 Bn | 13.12 Bn | 36.01% |
| 4 | Merck | 364.31 Bn | 327.31 Bn | 13.19 Bn | 30.74% |
| 5 | Novartis Ag | 306.35 Bn | 279.93 Bn | - | - |
| 6 | Astrazeneca | 285.96 Bn | 259.56 Bn | 13.26 Bn | 29.12% |
| 7 | Amgen | 251.88 Bn | 203.53 Bn | 7.58 Bn | 35.79% |
| 8 | Gilead Sciences | 208.59 Bn | 183.61 Bn | 6.73 Bn | 41.71% |
| 9 | Pfizer | 164.73 Bn | 112.38 Bn | 12.56 Bn | 32.98% |
| 10 | Biogen | 37.46 Bn | 26.77 Bn | 2.06 Bn | -0.32% |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | -0.32% |
| Jun 30, 2026 | 4.84% |
| Mar 31, 2026 | 15.24% |
| Dec 31, 2025 | -2.46% |
| Sep 30, 2025 | 21.99% |
| Jun 30, 2025 | 28.12% |
| Mar 31, 2025 | 12.80% |
| Dec 31, 2024 | 11.88% |
| Sep 30, 2024 | 18.29% |
| Jun 30, 2024 | 28.35% |
| Mar 31, 2024 | 20.29% |
| Dec 31, 2023 | 12.22% |
| Sep 30, 2023 | -5.58% |
| Jun 30, 2023 | 28.83% |
| Mar 31, 2023 | 17.80% |
| Dec 31, 2022 | 23.73% |
| Sep 30, 2022 | 54.66% |
| Jun 30, 2022 | 49.03% |
| Mar 31, 2022 | 24.12% |
| Dec 31, 2021 | 21.48% |
Biogen Operating Margin 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=operating-margin&ticker=BIIB&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "BIIB", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=BIIB&period=max&api_key=YOUR_API_KEY");
const data = await res.json();