Quick Answer
AMGEN INC reported Shares Outstanding of 538.80 million shares for fiscal year 2025.
AMGEN INC Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 538.80M | +0.4% |
| 2024 | 536.90M | +0.3% |
| 2023 | 535.40M | +0.3% |
| 2022 | 534.00M | -4.4% |
| 2021 | 558.30M | -3.5% |
| 2020 | 578.30M | -2.2% |
| 2019 | 591.40M | -6.1% |
| 2018 | 629.60M | -12.8% |
| 2017 | 722.20M | -2.2% |
| 2016 | 738.20M | -2.1% |
| 2015 | 754.00M | -0.8% |
| 2014 | 760.40M | +0.8% |
| 2013 | 754.60M | -0.2% |
| 2012 | 756.30M | -4.9% |
| 2011 | 795.60M | -14.6% |
| 2010 | 932.10M | -6.3% |
| 2009 | 995.00M | -5.0% |
| 2008 | 1.05B | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 538.50M | +0.2% | +0.0% |
| June 30, 2025 | 538.30M | +0.2% | +0.1% |
| March 31, 2025 | 537.70M | +0.2% | +0.1% |
| December 31, 2024 | 536.90M | +0.3% | -0.1% |
| September 30, 2024 | 537.50M | +0.4% | +0.1% |
| June 30, 2024 | 537.20M | +0.4% | +0.1% |
| March 31, 2024 | 536.40M | +0.4% | +0.2% |
| December 31, 2023 | 535.40M | +0.3% | +0.1% |
- AMGEN INC showed an increase of +0.4% in Shares Outstanding compared to the prior fiscal year.
- Over the 2008–2025 period, AMGEN INC’s shares outstanding has declined by 48.5% (from 1.05 billion shares to 538.80 million shares).
- The most recent figure is from AMGEN INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 13, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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