Merck & Co., Inc. Diluted Shares Outstanding (Weighted Average)
Merck & Co., Inc. (MRK) reported Diluted Shares Outstanding (Weighted Average) of 2.47 billion shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-07.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding · last filed 2026-08-07
- Merck & Co., Inc. weighted average number of shares outstanding, diluted for the quarter ending 2026-06-30 was 2.47B shares, a 1.71% decline year-over-year.
- Merck & Co., Inc. weighted average number of shares outstanding, diluted for the quarter ending 2026-03-31 was 2.47B shares, a 2.33% decline year-over-year.
- Merck & Co., Inc. weighted average number of shares outstanding, diluted for the quarter ending 2025-12-31 was 2.49B shares, a 1.93% decline year-over-year.
- Merck & Co., Inc. weighted average number of shares outstanding, diluted for the quarter ending 2025-09-30 was 2.50B shares, a 1.69% decline year-over-year.
- Merck & Co., Inc. weighted average number of shares outstanding, diluted for fiscal 2025 was 2.51B shares, a 1.34% decline from fiscal 2024.
- Merck & Co., Inc. weighted average number of shares outstanding, diluted for fiscal 2024 was 2.54B shares, a 0.24% decline from fiscal 2023.
- Merck & Co., Inc. weighted average number of shares outstanding, diluted for fiscal 2023 was 2.55B shares, a 0.20% increase from fiscal 2022.
- Merck & Co., Inc. weighted average number of shares outstanding, diluted for fiscal 2022 was 2.54B shares, a 0.16% increase from fiscal 2021.
| Period end | Weighted Average Number of Shares Outstanding, Diluted 3 month | Weighted Average Number of Shares Outstanding, Diluted 3 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 6 month | Weighted Average Number of Shares Outstanding, Diluted 6 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 9 month | Weighted Average Number of Shares Outstanding, Diluted 9 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 12 month | Weighted Average Number of Shares Outstanding, Diluted 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | 2.47B shares 10-Q · filed 2026-08-07 | 2.47B shares 10-Q · filed 2026-08-07 | 2.48B shares derived: average of 3 quarters · filed 2026-08-07 | 2.48B shares derived: average of 4 quarters · filed 2026-08-07 | ||||
| 2026-03-31 | 2.47B shares 10-Q · filed 2026-05-04 | 2.48B shares derived: average of 2 quarters · filed 2026-05-04 | 2.49B shares derived: average of 3 quarters · filed 2026-05-04 | 2.49B shares derived: average of 4 quarters · filed 2026-08-07 | ||||
| 2025-12-31 | 2.49B shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-24 | 2.49B shares derived: average of 2 quarters · filed 2026-02-24 | 2.50B shares derived: average of 3 quarters · filed 2026-08-07 | 2.51B shares 10-K · filed 2026-02-24 | ||||
| 2025-09-30 | 2.50B shares 10-Q · filed 2025-11-05 | 2.51B shares derived: average of 2 quarters · filed 2026-08-07 | 2.51B shares 10-Q · filed 2025-11-05 | 2.52B shares derived: average of 4 quarters · filed 2026-08-07 | ||||
| 2025-06-30 | 2.51B shares 10-Q · filed 2026-08-07 | 2.52B shares 10-Q · filed 2026-08-07 | 2.53B shares derived: average of 3 quarters · filed 2026-08-07 | 2.53B shares derived: average of 4 quarters · filed 2026-08-07 | ||||
| 2025-03-31 | 2.53B shares 10-Q · filed 2026-05-04 | 2.53B shares derived: average of 2 quarters · filed 2026-05-04 | 2.54B shares derived: average of 3 quarters · filed 2026-05-04 | 2.54B shares derived: average of 4 quarters · filed 2026-05-04 | ||||
| 2024-12-31 | 2.54B shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-24 | 2.54B shares derived: average of 2 quarters · filed 2026-02-24 | 2.54B shares derived: average of 3 quarters · filed 2026-02-24 | 2.54B shares 10-K · filed 2026-02-24 | ||||
| 2024-09-30 | 2.54B shares 10-Q · filed 2025-11-05 | 2.54B shares derived: average of 2 quarters · filed 2025-11-05 | 2.54B shares 10-Q · filed 2025-11-05 | 2.54B shares derived: average of 4 quarters · filed 2026-02-24 | ||||
| 2024-06-30 | 2.54B shares 10-Q · filed 2025-08-05 | 2.54B shares 10-Q · filed 2025-08-05 | 2.54B shares derived: average of 3 quarters · filed 2026-02-24 | 2.54B shares derived: average of 4 quarters · filed 2026-02-24 | ||||
| 2024-03-31 | 2.54B shares 10-Q · filed 2025-05-02 | 2.54B shares derived: average of 2 quarters · filed 2026-02-24 | 2.54B shares derived: average of 3 quarters · filed 2026-02-24 | 2.54B shares derived: average of 4 quarters · filed 2026-02-24 | ||||
| 2023-12-31 | 2.54B shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-24 | 2.54B shares derived: average of 2 quarters · filed 2026-02-24 | 2.54B shares derived: average of 3 quarters · filed 2026-02-24 | 2.55B shares 10-K · filed 2026-02-24 | ||||
| 2023-09-30 | 2.55B shares 10-Q · filed 2024-11-06 | 2.54B shares derived: average of 2 quarters · filed 2024-11-06 | 2.55B shares 10-Q · filed 2024-11-06 | 2.55B shares derived: average of 4 quarters · filed 2025-02-25 | ||||
| 2023-06-30 | 2.54B shares 10-Q · filed 2024-08-05 | 2.54B shares 10-Q · filed 2024-08-05 | 2.55B shares derived: average of 3 quarters · filed 2025-02-25 | 2.54B shares derived: average of 4 quarters · filed 2025-02-25 | ||||
| 2023-03-31 | 2.55B shares 10-Q · filed 2024-05-03 | 2.55B shares derived: average of 2 quarters · filed 2025-02-25 | 2.55B shares derived: average of 3 quarters · filed 2025-02-25 | 2.55B shares derived: average of 4 quarters · filed 2025-02-25 | ||||
| 2022-12-31 | 2.55B shares derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-25 | 2.54B shares derived: average of 2 quarters · filed 2025-02-25 | 2.54B shares derived: average of 3 quarters · filed 2025-02-25 | 2.54B shares 10-K · filed 2025-02-25 | ||||
| 2022-09-30 | 2.54B shares 10-Q · filed 2023-11-03 | 2.54B shares derived: average of 2 quarters · filed 2023-11-03 | 2.54B shares 10-Q · filed 2023-11-03 | 2.54B shares derived: average of 4 quarters · filed 2024-02-26 | ||||
| 2022-06-30 | 2.54B shares 10-Q · filed 2023-08-07 | 2.54B shares 10-Q · filed 2023-08-07 | 2.54B shares derived: average of 3 quarters · filed 2024-02-26 | 2.54B shares derived: average of 4 quarters · filed 2024-02-26 | ||||
| 2022-03-31 | 2.54B shares 10-Q · filed 2023-05-05 | 2.54B shares derived: average of 2 quarters · filed 2024-02-26 | 2.54B shares derived: average of 3 quarters · filed 2024-02-26 | 2.54B shares derived: average of 4 quarters · filed 2024-02-26 | ||||
| 2021-12-31 | 2.54B shares derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-26 | 2.54B shares derived: average of 2 quarters · filed 2024-02-26 | 2.54B shares derived: average of 3 quarters · filed 2024-02-26 | 2.54B shares 10-K · filed 2024-02-26 | ||||
| 2021-09-30 | 2.54B shares 10-Q · filed 2022-11-03 | 2.54B shares derived: average of 2 quarters · filed 2022-11-03 | 2.54B shares 10-Q · filed 2022-11-03 | 2.54B shares derived: average of 4 quarters · filed 2023-02-24 | ||||
| 2021-06-30 | 2.54B shares 10-Q · filed 2022-08-05 | 2.54B shares 10-Q · filed 2022-08-05 | 2.54B shares derived: average of 3 quarters · filed 2023-02-24 | 2.54B shares derived: average of 4 quarters · filed 2023-02-24 | ||||
| 2021-03-31 | 2.54B shares 10-Q · filed 2022-05-05 | 2.54B shares derived: average of 2 quarters · filed 2023-02-24 | 2.54B shares derived: average of 3 quarters · filed 2023-02-24 | 2.54B shares derived: average of 4 quarters · filed 2023-02-24 | ||||
| 2020-12-31 | 2.54B shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-24 | 2.54B shares derived: average of 2 quarters · filed 2023-02-24 | 2.54B shares derived: average of 3 quarters · filed 2023-02-24 | 2.54B shares 10-K · filed 2023-02-24 | ||||
| 2020-09-30 | 2.54B shares 10-Q · filed 2021-11-05 | 2.54B shares derived: average of 2 quarters · filed 2021-11-05 | 2.54B shares 10-Q · filed 2021-11-05 | 2.54B shares derived: average of 4 quarters · filed 2022-02-25 | ||||
| 2020-06-30 | 2.54B shares 10-Q · filed 2021-08-09 | 2.54B shares 10-Q · filed 2021-08-09 | 2.55B shares derived: average of 3 quarters · filed 2022-02-25 | 2.55B shares derived: average of 4 quarters · filed 2022-02-25 | ||||
| 2020-03-31 | 2.55B shares 10-Q · filed 2021-05-05 | 2.55B shares derived: average of 2 quarters · filed 2022-02-25 | 2.56B shares derived: average of 3 quarters · filed 2022-02-25 | 2.57B shares derived: average of 4 quarters · filed 2022-02-25 | ||||
| 2019-12-31 | 2.56B shares derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-25 | 2.57B shares derived: average of 2 quarters · filed 2022-02-25 | 2.57B shares derived: average of 3 quarters · filed 2022-02-25 | 2.58B shares 10-K · filed 2022-02-25 | ||||
| 2019-09-30 | 2.57B shares 10-Q · filed 2020-11-05 | 2.58B shares derived: average of 2 quarters · filed 2020-11-05 | 2.59B shares 10-Q · filed 2020-11-05 | 2.60B shares derived: average of 4 quarters · filed 2021-02-25 | ||||
| 2019-06-30 | 2.59B shares 10-Q · filed 2020-08-05 | 2.60B shares 10-Q · filed 2020-08-05 | 2.61B shares derived: average of 3 quarters · filed 2021-02-25 | 2.63B shares derived: average of 4 quarters · filed 2021-02-25 | ||||
| 2019-03-31 | 2.60B shares 10-Q · filed 2020-05-06 | 2.62B shares derived: average of 2 quarters · filed 2021-02-25 | 2.64B shares derived: average of 3 quarters · filed 2021-02-25 | 2.65B shares derived: average of 4 quarters · filed 2021-02-25 | ||||
| 2018-12-31 | 2.63B shares derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-25 | 2.66B shares derived: average of 2 quarters · filed 2021-02-25 | 2.67B shares derived: average of 3 quarters · filed 2021-02-25 | 2.68B shares 10-K · filed 2021-02-25 | ||||
| 2018-09-30 | 2.68B shares 10-Q · filed 2019-11-05 | 2.69B shares derived: average of 2 quarters · filed 2019-11-05 | 2.69B shares 10-Q · filed 2019-11-05 | 2.70B shares derived: average of 4 quarters · filed 2020-02-26 | ||||
| 2018-06-30 | 2.70B shares 10-Q · filed 2019-08-06 | 2.70B shares 10-Q · filed 2019-08-06 | 2.71B shares derived: average of 3 quarters · filed 2020-02-26 | 2.72B shares derived: average of 4 quarters · filed 2020-02-26 | ||||
| 2018-03-31 | 2.71B shares 10-Q · filed 2019-05-08 | 2.72B shares derived: average of 2 quarters · filed 2020-02-26 | 2.72B shares derived: average of 3 quarters · filed 2020-02-26 | 2.73B shares derived: average of 4 quarters · filed 2020-02-26 | ||||
| 2017-12-31 | 2.73B shares derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-26 | 2.73B shares derived: average of 2 quarters · filed 2020-02-26 | 2.74B shares derived: average of 3 quarters · filed 2020-02-26 | 2.75B shares 10-K · filed 2020-02-26 | ||||
| 2017-09-30 | 2.73B shares 10-Q · filed 2018-11-06 | 2.74B shares derived: average of 2 quarters · filed 2018-11-06 | 2.75B shares 10-Q · filed 2018-11-06 | 2.75B shares derived: average of 4 quarters · filed 2019-02-27 | ||||
| 2017-06-30 | 2.75B shares 10-Q · filed 2018-08-07 | 2.76B shares 10-Q · filed 2018-08-07 | 2.76B shares derived: average of 3 quarters · filed 2019-02-27 | 2.77B shares derived: average of 4 quarters · filed 2019-02-27 | ||||
| 2017-03-31 | 2.77B shares 10-Q · filed 2018-05-08 | 2.77B shares derived: average of 2 quarters · filed 2019-02-27 | 2.78B shares derived: average of 3 quarters · filed 2019-02-27 | 2.78B shares derived: average of 4 quarters · filed 2019-02-27 | ||||
| 2016-12-31 | 2.77B shares derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-27 | 2.78B shares derived: average of 2 quarters · filed 2019-02-27 | 2.78B shares derived: average of 3 quarters · filed 2019-02-27 | 2.79B shares 10-K · filed 2019-02-27 | ||||
| 2016-09-30 | 2.79B shares 10-Q · filed 2017-11-07 | 2.79B shares derived: average of 2 quarters · filed 2017-11-07 | 2.79B shares 10-Q · filed 2017-11-07 | 2.80B shares derived: average of 4 quarters · filed 2018-02-27 | ||||
| 2016-06-30 | 2.79B shares 10-Q · filed 2017-08-08 | 2.79B shares 10-Q · filed 2017-08-08 | 2.80B shares derived: average of 3 quarters · filed 2018-02-27 | 2.81B shares derived: average of 4 quarters · filed 2018-02-27 | ||||
| 2016-03-31 | 2.79B shares 10-Q · filed 2017-05-09 | 2.80B shares derived: average of 2 quarters · filed 2018-02-27 | 2.81B shares derived: average of 3 quarters · filed 2018-02-27 | 2.82B shares derived: average of 4 quarters · filed 2018-02-27 | ||||
| 2015-12-31 | 2.81B shares derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-27 | 2.83B shares derived: average of 2 quarters · filed 2018-02-27 | 2.83B shares derived: average of 3 quarters · filed 2018-02-27 | 2.84B shares 10-K · filed 2018-02-27 | ||||
| 2015-09-30 | 2.84B shares 10-Q · filed 2016-11-07 | 2.84B shares derived: average of 2 quarters · filed 2016-11-07 | 2.85B shares 10-Q · filed 2016-11-07 | 2.86B shares derived: average of 4 quarters · filed 2017-02-28 | ||||
| 2015-06-30 | 2.85B shares 10-Q · filed 2016-08-08 | 2.86B shares 10-Q · filed 2016-08-08 | 2.87B shares derived: average of 3 quarters · filed 2017-02-28 | 2.88B shares derived: average of 4 quarters · filed 2017-02-28 | ||||
| 2015-03-31 | 2.87B shares 10-Q · filed 2016-05-09 | 2.88B shares derived: average of 2 quarters · filed 2017-02-28 | 2.89B shares derived: average of 3 quarters · filed 2017-02-28 | 2.90B shares derived: average of 4 quarters · filed 2017-02-28 | ||||
| 2014-12-31 | 2.89B shares derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-28 | 2.90B shares derived: average of 2 quarters · filed 2017-02-28 | 2.92B shares derived: average of 3 quarters · filed 2017-02-28 | 2.93B shares 10-K · filed 2017-02-28 | ||||
| 2014-09-30 | 2.91B shares 10-Q · filed 2015-11-05 | 2.93B shares derived: average of 2 quarters · filed 2015-11-05 | 2.94B shares 10-Q · filed 2015-11-05 | 2.95B shares derived: average of 4 quarters · filed 2016-02-26 | ||||
| 2014-06-30 | 2.95B shares 10-Q · filed 2015-08-06 | 2.96B shares 10-Q · filed 2015-08-06 | 2.96B shares derived: average of 3 quarters · filed 2016-02-26 | 2.96B shares derived: average of 4 quarters · filed 2016-02-26 | ||||
| 2014-03-31 | 2.97B shares 10-Q · filed 2015-05-07 | 2.97B shares derived: average of 2 quarters · filed 2016-02-26 | 2.96B shares derived: average of 3 quarters · filed 2016-02-26 | 2.98B shares derived: average of 4 quarters · filed 2016-02-26 | ||||
| 2013-12-31 | 2.96B shares derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-26 | 2.96B shares derived: average of 2 quarters · filed 2016-02-26 | 2.98B shares derived: average of 3 quarters · filed 2016-02-26 | 3.00B shares 10-K · filed 2016-02-26 | ||||
| 2013-09-30 | 2.96B shares 10-Q · filed 2014-11-10 | 2.98B shares derived: average of 2 quarters · filed 2014-11-10 | 3.01B shares 10-Q · filed 2014-11-10 | 3.02B shares derived: average of 4 quarters · filed 2015-02-27 | ||||
| 2013-06-30 | 3.01B shares 10-Q · filed 2014-08-07 | 3.03B shares 10-Q · filed 2014-08-07 | 3.05B shares derived: average of 3 quarters · filed 2015-02-27 | 3.05B shares derived: average of 4 quarters · filed 2015-02-27 | ||||
| 2013-03-31 | 3.05B shares 10-Q · filed 2014-05-08 | 3.06B shares derived: average of 2 quarters · filed 2015-02-27 | 3.07B shares derived: average of 3 quarters · filed 2015-02-27 | 3.07B shares derived: average of 4 quarters · filed 2015-02-27 | ||||
| 2012-12-31 | 3.07B shares derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-27 | 3.08B shares derived: average of 2 quarters · filed 2015-02-27 | 3.07B shares derived: average of 3 quarters · filed 2015-02-27 | 3.08B shares 10-K · filed 2015-02-27 | 3.08K shares 10-K · filed 2013-02-28 | |||
| 2012-09-30 | 3.08B shares 10-Q · filed 2013-11-07 | 3.08B shares derived: average of 2 quarters · filed 2013-11-07 | 3.08B shares 10-Q · filed 2013-11-07 | 3.07B shares derived: average of 4 quarters · filed 2014-02-27 | ||||
| 2012-06-30 | 3.07B shares 10-Q · filed 2013-08-07 | 3.07B shares 10-Q · filed 2013-08-07 | 3.07B shares derived: average of 3 quarters · filed 2014-02-27 | 3.08B shares derived: average of 4 quarters · filed 2014-02-27 | ||||
| 2012-03-31 | 3.07B shares 10-Q · filed 2013-05-09 | 3.07B shares derived: average of 2 quarters · filed 2014-02-27 | 3.08B shares derived: average of 3 quarters · filed 2014-02-27 | 3.09B shares derived: average of 4 quarters · filed 2014-02-27 | ||||
| 2011-12-31 | 3.07B shares derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-27 | 3.08B shares derived: average of 2 quarters · filed 2014-02-27 | 3.09B shares derived: average of 3 quarters · filed 2014-02-27 | 3.09B shares 10-K · filed 2014-02-27 | ||||
| 2011-09-30 | 3.09B shares 10-Q · filed 2012-11-09 | 3.10B shares derived: average of 2 quarters · filed 2012-11-09 | 3.10B shares 10-Q · filed 2012-11-09 | -16.00M shares derived: average of 4 quarters · filed 2013-02-28 | ||||
| 2011-06-30 | 3.11B shares 10-Q · filed 2012-08-07 | 3.11B shares 10-Q · filed 2012-08-07 | -1.05B shares derived: average of 3 quarters · filed 2013-02-28 | -13.25M shares derived: average of 4 quarters · filed 2013-02-28 | ||||
| 2011-03-31 | 3.10B shares 10-Q · filed 2012-05-08 | -3.13B shares derived: average of 2 quarters · filed 2013-02-28 | -1.05B shares derived: average of 3 quarters · filed 2013-02-28 | -9.50M shares derived: average of 4 quarters · filed 2013-02-28 | ||||
| 2010-12-31 | -9.37B shares derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-28 | -3.13B shares derived: average of 2 quarters · filed 2013-02-28 | -1.05B shares derived: average of 3 quarters · filed 2013-02-28 | 3.12K shares 10-K · filed 2013-02-28 | 3.12B shares 10-K · filed 2011-02-28 | |||
| 2010-09-30 | 3.10B shares 10-Q · filed 2011-11-08 | 3.10B shares 10-Q · filed 2010-11-08 | 3.11B shares derived: average of 2 quarters · filed 2011-11-08 | 3.12B shares 10-Q · filed 2011-11-08 | 3.12B shares 10-Q · filed 2010-11-08 | 3.03B shares derived: average of 4 quarters · filed 2012-02-28 | ||
| 2010-06-30 | 3.13B shares 10-Q · filed 2011-08-08 | 3.13B shares 10-Q · filed 2010-08-06 | 3.13B shares 10-Q · filed 2011-08-08 | 3.13B shares 10-Q · filed 2010-08-06 | 3.01B shares derived: average of 3 quarters · filed 2012-02-28 | 2.78B shares derived: average of 4 quarters · filed 2012-02-28 | ||
| 2010-03-31 | 3.14B shares 10-Q · filed 2011-05-09 | 2.95B shares derived: average of 2 quarters · filed 2012-02-28 | 2.67B shares derived: average of 3 quarters · filed 2012-02-28 | 2.53B shares derived: average of 4 quarters · filed 2012-02-28 | ||||
| 2009-12-31 | 2.76B shares derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-28 | 2.44B shares derived: average of 2 quarters · filed 2012-02-28 | 2.33B shares derived: average of 3 quarters · filed 2012-02-28 | 2.27B shares 10-K · filed 2012-02-28 | ||||
| 2009-09-30 | 2.11B shares 10-Q · filed 2010-11-08 | 2.11B shares derived: average of 2 quarters · filed 2010-11-08 | 2.11B shares 10-Q · filed 2010-11-08 | |||||
| 2009-06-30 | 2.11B shares 10-Q · filed 2010-08-06 | 2.11B shares 10-Q · filed 2010-08-06 | ||||||
| 2008-12-31 | 2.14B shares 10-K · filed 2011-02-28 |
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