Amgen (AMGN) Shares Outstanding (2009 - 2026)
Amgen (AMGN) reported Weighted Average Shares Outstanding of 541 million for Q3 2026, up 0.6% from 538 million a year earlier and up 0.2% from the prior quarter.
Amgen (AMGN) Shares Outstanding (2009 - 2026) Analysis & Trends
For FY2025, Amgen posted Weighted Average Shares Outstanding of 538 million, up 0.2% from FY2024.
- Weighted Average Shares Outstanding has a five-year compound annual growth rate of -1.7% (FY2020 to FY2025).
- By year, Weighted Average Shares Outstanding came in at 537 million in FY2024 (+0.4%), 535 million in FY2023 (-0.6%), 538 million in FY2022 (-5.6%) and 570 million in FY2021 (-2.7%).
- The Q3 2026 figure ranks as the highest quarterly Weighted Average Shares Outstanding since Q1 2022.
- Year over year, Weighted Average Shares Outstanding has now increased in each of the last 11 quarters, with growth averaging 0.3% over the last eight quarters.
- The high point for year-over-year Weighted Average Shares Outstanding in five years was Q3 2026 (growth of 0.6%); the low point was Q2 2022 (a decline of 6.6%).
- Per Business Quant data, the three quarters before Q3 2026 came in at 540 million (Q2 2026), 540 million (Q1 2026) and 538 million (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,359.75 Bn | 1,333.37 Bn | 20.46 Bn | 891.90 Mn |
| 2 | Johnson & Johnson | 688.76 Bn | 608.62 Bn | 17.30 Bn | 2.41 Bn |
| 3 | AbbVie | 521.69 Bn | 489.75 Bn | 13.12 Bn | 1.77 Bn |
| 4 | Merck | 364.31 Bn | 327.31 Bn | 13.19 Bn | 2.47 Bn |
| 5 | Novartis Ag | 306.35 Bn | 279.93 Bn | - | 1.94 Bn |
| 6 | Astrazeneca | 285.96 Bn | 259.56 Bn | 13.26 Bn | 1.55 Bn |
| 7 | Amgen | 251.88 Bn | 203.53 Bn | 7.58 Bn | 541.00 Mn |
| 8 | Gilead Sciences | 208.59 Bn | 183.61 Bn | 6.73 Bn | 1.24 Bn |
| 9 | Pfizer | 164.73 Bn | 112.38 Bn | 12.56 Bn | 5.70 Bn |
| 10 | Vertex Pharmaceuticals | 136.55 Bn | 104.28 Bn | 2.91 Bn | 253.50 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 541.00 Mn |
| Jun 30, 2026 | 540.00 Mn |
| Mar 31, 2026 | 540.00 Mn |
| Dec 31, 2025 | 538.00 Mn |
| Sep 30, 2025 | 538.00 Mn |
| Jun 30, 2025 | 538.00 Mn |
| Mar 31, 2025 | 538.00 Mn |
| Dec 31, 2024 | 537.00 Mn |
| Sep 30, 2024 | 537.00 Mn |
| Jun 30, 2024 | 537.00 Mn |
| Mar 31, 2024 | 536.00 Mn |
| Dec 31, 2023 | 535.00 Mn |
| Sep 30, 2023 | 535.00 Mn |
| Jun 30, 2023 | 535.00 Mn |
| Mar 31, 2023 | 534.00 Mn |
| Dec 31, 2022 | 538.00 Mn |
| Sep 30, 2022 | 535.00 Mn |
| Jun 30, 2022 | 535.00 Mn |
| Mar 31, 2022 | 548.00 Mn |
| Dec 31, 2021 | 570.00 Mn |
Amgen Shares Outstanding 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&ticker=AMGN&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "ticker": "AMGN", "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&ticker=AMGN&period=max&api_key=YOUR_API_KEY");
const data = await res.json();