Amgen has retired 48.4% of its shares since 2008, from 1,047,000,000 to 540,632,005.
| Fiscal year | Date | Shares outstanding | Filing | |
|---|---|---|---|---|
| 2008 | 2008-12-31 | 1,047,000,000 | 10-K | |
| 2009 | 2010-02-12 | 979,301,627 | 10-K | |
| 2010 | 2011-02-11 | 932,452,902 | 10-K | |
| 2011 | 2012-02-10 | 791,432,134 | 10-K | |
| 2012 | 2013-02-19 | 748,430,018 | 10-K | |
| 2013 | 2014-02-13 | 755,007,290 | 10-K | |
| 2014 | 2015-02-12 | 758,861,306 | 10-K | |
| 2015 | 2016-02-09 | 752,091,038 | 10-K | |
| 2016 | 2017-02-09 | 736,452,791 | 10-K | |
| 2017 | 2018-02-09 | 720,562,246 | 10-K | |
| 2018 | 2019-02-07 | 622,278,034 | 10-K | |
| 2019 | 2020-02-06 | 589,806,819 | 10-K | |
| 2020 | 2021-02-03 | 577,566,383 | 10-K | |
| 2021 | 2022-02-11 | 557,029,370 | 10-K | |
| 2022 | 2023-02-06 | 533,976,238 | 10-K | |
| 2023 | 2024-02-09 | 535,918,901 | 10-K | |
| 2024 | 2025-02-11 | 537,204,943 | 10-K | |
| 2025 | 2026-02-10 | 539,067,675 | 10-K |
Source: all 10-K filings of Amgen on EDGAR. Download this series as CSV. Licence CC BY 4.0, credit Buyback Radar.
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Only enough to stand still. The share count is roughly flat over the last twelve months, at 540,632,005 as of July 30, 2026. Over five years the share count is down 4.0%.
Net of every new share it issued, Amgen has 506.4 million fewer shares than at its 2008 peak. That is 48.4% of the company. Since fiscal 2009 alone it bought back about 590.9 million shares, while the count fell by 438.7 million. The difference went to employees and other new shares.
540,632,005 shares, as of July 30, 2026, from the cover page of its latest 10-Q. At the 2008 peak it had 1,047,000,000.
Each share is a bigger slice of the company. Someone who held Amgen stock in 2008 owns 1.9 times as much of the business today without buying another share. Whether that was a good use of cash depends on the price paid.
Amgen ranks No. 65 of 251 companies on Buyback Radar by share of the company retired since its peak. Close to it on the list: Lockheed Martin (49.4%), Herbalife (49.2%), Flexsteel (48.3%), Toll Brothers (48.0%).
Every answer is computed from Amgen's own SEC filings and rebuilt every Monday. Latest count: 10-Q on EDGAR.
From the latest 13F filings. All superinvestors.
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