Merck & Co., Inc. (MRK): Weighted Average Diluted Shares

Annual figures by period end, from SEC filings.

2.51B
Year ended 2025-12-31
-0.5%
3-year compound annual growth
-0.3%
5-year compound annual growth
-1.2%
10-year compound annual growth
3.12B2008-12-31: 2.14B2009-12-31: 2.27B2010-12-31: 3.12B2011-12-31: 3.09B2012-12-31: 3.08B2013-12-31: 3.00B2014-12-31: 2.93B2015-12-31: 2.84B2016-12-31: 2.79B2017-12-31: 2.75B2018-12-31: 2.68B2019-12-31: 2.58B2020-12-31: 2.54B2021-12-31: 2.54B2022-12-31: 2.54B2023-12-31: 2.55B2024-12-31: 2.54B2025-12-31: 2.51B2.51B
2008-12-31 Weighted Average Diluted Shares (shares) 2025-12-31
Period endedWeighted Average Diluted SharesChange YoYSource filing
2025-12-312.51B-1.3%2026-02-24, From 2025-01-01
2024-12-312.54B-0.2%2026-02-24, From 2024-01-01
2023-12-312.55B+0.2%2026-02-24, From 2023-01-01
2022-12-312.54B+0.2%2025-02-25, From 2022-01-01
2021-12-312.54B-0.1%2024-02-26, From 2021-01-01
2020-12-312.54B-1.5%2023-02-24, From 2020-01-01
2019-12-312.58B-3.7%2022-02-25, From 2019-01-01
2018-12-312.68B-2.5%2021-02-25, From 2018-01-01
2017-12-312.75B-1.4%2020-02-26, From 2017-01-01
2016-12-312.79B-1.9%2019-02-27, From 2016-01-01
2015-12-312.84B-3.0%2018-02-27, From 2015-01-01
2014-12-312.93B-2.3%2017-02-28, From 2014-01-01
2013-12-313.00B-2.6%2016-02-26, From 2013-01-01
2012-12-313.08B-0.6%2015-02-27, From 2012-01-01
2011-12-313.09B-0.8%2014-02-27, From 2011-01-01
2010-12-313.12B+37.3%2012-02-28, From 2010-01-01
2009-12-312.27B+6.1%2012-02-28, From 2009-01-01
2008-12-312.14Bn/a2011-02-28, From 2008-01-01