Biogen (BIIB) Shares Outstanding (Entity) (2009 - 2026)
Biogen (BIIB) posted Shares Outstanding (Entity) of 147.75 million for Q2 2026, up 0.8% from 146.61 million a year earlier and up 0.1% from the prior quarter.
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Analysis
Biogen (BIIB) Shares Outstanding (Entity) (2009 - 2026) Analysis & Trends
For FY2025, Biogen's Shares Outstanding (Entity) came in at 146.8 million, up 0.7% from FY2024.
- Annual Shares Outstanding (Entity) has increased for three consecutive years, though with a five-year compound annual growth rate of -0.7% (FY2020 to FY2025).
- In prior years, Biogen's Shares Outstanding (Entity) was 145.8 million in FY2024 (+0.6%), 144.9 million in FY2023 (+0.6%), 144 million in FY2022 (-2.0%) and 147 million in FY2021 (-3.5%).
- The Q2 2026 figure stands as the highest quarterly Shares Outstanding (Entity) since Q2 2021.
- On a year-over-year basis, Shares Outstanding (Entity) has increased in each of the last 12 quarters, with growth averaging 0.7% over the last eight quarters.
- The strongest year-over-year quarter for Shares Outstanding (Entity) in the past five years was Q2 2026, with growth of 0.8%; the weakest was Q3 2021, with a decline of 4.5%.
- According to Business Quant data, Shares Outstanding (Entity) for the three prior quarters was 147.64 million (Q1 2026), 146.8 million (Q4 2025) and 146.7 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Entity.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,230.11 Bn | 1,198.70 Bn | 19.71 Bn | 941.36 Mn |
| 2 | Johnson & Johnson | 644.39 Bn | 564.25 Bn | 17.30 Bn | 2.41 Bn |
| 3 | AbbVie | 503.52 Bn | 476.68 Bn | 12.70 Bn | 1.77 Bn |
| 4 | Merck | 363.29 Bn | 317.72 Bn | 12.21 Bn | 2.47 Bn |
| 5 | Novartis Ag | 298.23 Bn | 262.62 Bn | 11.24 Bn | - |
| 6 | Astrazeneca | 267.53 Bn | 241.29 Bn | 12.86 Bn | - |
| 7 | Amgen | 241.80 Bn | 197.20 Bn | 7.24 Bn | 540.60 Mn |
| 8 | Gilead Sciences | 195.07 Bn | 169.19 Bn | 6.22 Bn | 1.24 Bn |
| 9 | Pfizer | 173.33 Bn | 120.28 Bn | 10.94 Bn | 5.70 Bn |
| 10 | Biogen | 37.51 Bn | 24.16 Bn | 1.96 Bn | 147.75 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 147.75 Mn |
| Mar 31, 2026 | 147.64 Mn |
| Dec 31, 2025 | 146.80 Mn |
| Sep 30, 2025 | 146.70 Mn |
| Jun 30, 2025 | 146.61 Mn |
| Mar 31, 2025 | 146.53 Mn |
| Dec 31, 2024 | 145.80 Mn |
| Sep 30, 2024 | 145.72 Mn |
| Jun 30, 2024 | 145.66 Mn |
| Mar 31, 2024 | 145.60 Mn |
| Dec 31, 2023 | 144.90 Mn |
| Sep 30, 2023 | 144.90 Mn |
| Jun 30, 2023 | 144.82 Mn |
| Mar 31, 2023 | 144.74 Mn |
| Dec 31, 2022 | 144.00 Mn |
| Sep 30, 2022 | 144.00 Mn |
| Jun 30, 2022 | 145.11 Mn |
| Mar 31, 2022 | 146.45 Mn |
| Dec 31, 2021 | 147.00 Mn |
| Sep 30, 2021 | 146.89 Mn |
API Access
Biogen Shares Outstanding (Entity) 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=shares-outstanding-entity&ticker=BIIB&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-entity", "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=shares-outstanding-entity&ticker=BIIB&period=max&api_key=YOUR_API_KEY");
const data = await res.json();