Monolithic Power Systems, Inc. Basic Shares Outstanding (Weighted Average)
Monolithic Power Systems, Inc. (MPWR) reported Basic Shares Outstanding (Weighted Average) of 49.14 million shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-05.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic · last filed 2026-08-05
- Monolithic Power Systems, Inc. weighted average number of shares outstanding, basic for the quarter ending 2026-06-30 was 49.14M shares, a 2.61% increase year-over-year.
- Monolithic Power Systems, Inc. weighted average number of shares outstanding, basic for the quarter ending 2026-03-31 was 49.10M shares, a 2.60% increase year-over-year.
- Monolithic Power Systems, Inc. weighted average number of shares outstanding, basic for the quarter ending 2025-12-31 was 48.50M shares, a 0.38% increase year-over-year.
- Monolithic Power Systems, Inc. weighted average number of shares outstanding, basic for the quarter ending 2025-09-30 was 47.90M shares, a 1.76% decline year-over-year.
- Monolithic Power Systems, Inc. weighted average number of shares outstanding, basic for fiscal 2025 was 48.03M shares, a 1.16% decline from fiscal 2024.
- Monolithic Power Systems, Inc. weighted average number of shares outstanding, basic for fiscal 2024 was 48.60M shares, a 2.08% increase from fiscal 2023.
- Monolithic Power Systems, Inc. weighted average number of shares outstanding, basic for fiscal 2023 was 47.61M shares, a 1.89% increase from fiscal 2022.
- Monolithic Power Systems, Inc. weighted average number of shares outstanding, basic for fiscal 2022 was 46.73M shares, a 1.91% increase from fiscal 2021.
| Period end | Weighted Average Number of Shares Outstanding, Basic 3 month | Weighted Average Number of Shares Outstanding, Basic 3 month as first filed | Weighted Average Number of Shares Outstanding, Basic 6 month | Weighted Average Number of Shares Outstanding, Basic 6 month as first filed | Weighted Average Number of Shares Outstanding, Basic 9 month | Weighted Average Number of Shares Outstanding, Basic 9 month as first filed | Weighted Average Number of Shares Outstanding, Basic 12 month | Weighted Average Number of Shares Outstanding, Basic 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | 49.14M shares 10-Q · filed 2026-08-05 | 49.12M shares 10-Q · filed 2026-08-05 | 48.91M shares derived: average of 3 quarters · filed 2026-08-05 | 48.66M shares derived: average of 4 quarters · filed 2026-08-05 | ||||
| 2026-03-31 | 49.10M shares 10-Q · filed 2026-05-04 | 48.80M shares derived: average of 2 quarters · filed 2026-05-04 | 48.50M shares derived: average of 3 quarters · filed 2026-05-04 | 48.35M shares derived: average of 4 quarters · filed 2026-08-05 | ||||
| 2025-12-31 | 48.50M shares derived: 10-K 12 month − 10-K 9 month · filed 2026-02-27 | 48.20M shares derived: average of 2 quarters · filed 2026-02-27 | 48.10M shares derived: average of 3 quarters · filed 2026-08-05 | 48.03M shares 10-K · filed 2026-02-27 | ||||
| 2025-09-30 | 47.90M shares 10-K · filed 2026-02-27 | 47.89M shares derived: average of 2 quarters · filed 2026-08-05 | 47.88M shares 10-K · filed 2026-02-27 | 47.99M shares derived: average of 4 quarters · filed 2026-08-05 | ||||
| 2025-06-30 | 47.89M shares 10-Q · filed 2026-08-05 | 47.87M shares 10-Q · filed 2026-08-05 | 48.02M shares derived: average of 3 quarters · filed 2026-08-05 | 48.20M shares derived: average of 4 quarters · filed 2026-08-05 | ||||
| 2025-03-31 | 47.85M shares 10-Q · filed 2026-05-04 | 48.09M shares derived: average of 2 quarters · filed 2026-05-04 | 48.31M shares derived: average of 3 quarters · filed 2026-05-04 | 48.40M shares derived: average of 4 quarters · filed 2026-05-04 | ||||
| 2024-12-31 | 48.32M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27 | 48.54M shares derived: average of 2 quarters · filed 2026-02-27 | 48.59M shares derived: average of 3 quarters · filed 2026-02-27 | 48.60M shares 10-K · filed 2026-02-27 | ||||
| 2024-09-30 | 48.76M shares 10-Q · filed 2025-11-05 | 48.72M shares derived: average of 2 quarters · filed 2025-11-05 | 48.69M shares 10-Q · filed 2025-11-05 | 48.50M shares derived: average of 4 quarters · filed 2026-02-27 | ||||
| 2024-06-30 | 48.69M shares 10-Q · filed 2025-08-04 | 48.66M shares 10-Q · filed 2025-08-04 | 48.42M shares derived: average of 3 quarters · filed 2026-02-27 | 48.26M shares derived: average of 4 quarters · filed 2026-02-27 | ||||
| 2024-03-31 | 48.63M shares 10-Q · filed 2025-05-05 | 48.29M shares derived: average of 2 quarters · filed 2026-02-27 | 48.12M shares derived: average of 3 quarters · filed 2026-02-27 | 47.96M shares derived: average of 4 quarters · filed 2026-02-27 | ||||
| 2023-12-31 | 47.94M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27 | 47.86M shares derived: average of 2 quarters · filed 2026-02-27 | 47.74M shares derived: average of 3 quarters · filed 2026-02-27 | 47.61M shares 10-K · filed 2026-02-27 | ||||
| 2023-09-30 | 47.78M shares 10-Q · filed 2024-11-06 | 47.63M shares derived: average of 2 quarters · filed 2024-11-06 | 47.50M shares 10-Q · filed 2024-11-06 | 47.37M shares derived: average of 4 quarters · filed 2025-03-03 | ||||
| 2023-06-30 | 47.49M shares 10-Q · filed 2024-08-02 | 47.36M shares 10-Q · filed 2024-08-02 | 47.23M shares derived: average of 3 quarters · filed 2025-03-03 | 47.13M shares derived: average of 4 quarters · filed 2025-03-03 | ||||
| 2023-03-31 | 47.23M shares 10-Q · filed 2024-05-03 | 47.11M shares derived: average of 2 quarters · filed 2025-03-03 | 47.01M shares derived: average of 3 quarters · filed 2025-03-03 | 46.93M shares derived: average of 4 quarters · filed 2025-03-03 | ||||
| 2022-12-31 | 46.98M shares derived: 10-K 12 month − 10-Q 9 month · filed 2025-03-03 | 46.90M shares derived: average of 2 quarters · filed 2025-03-03 | 46.83M shares derived: average of 3 quarters · filed 2025-03-03 | 46.73M shares 10-K · filed 2025-03-03 | ||||
| 2022-09-30 | 46.83M shares 10-Q · filed 2023-11-08 | 46.75M shares derived: average of 2 quarters · filed 2023-11-08 | 46.64M shares 10-Q · filed 2023-11-08 | 46.52M shares derived: average of 4 quarters · filed 2024-02-29 | ||||
| 2022-06-30 | 46.67M shares 10-Q · filed 2023-08-04 | 46.55M shares 10-Q · filed 2023-08-04 | 46.41M shares derived: average of 3 quarters · filed 2024-02-29 | 46.30M shares derived: average of 4 quarters · filed 2024-02-29 | ||||
| 2022-03-31 | 46.42M shares 10-Q · filed 2023-05-05 | 46.28M shares derived: average of 2 quarters · filed 2024-02-29 | 46.18M shares derived: average of 3 quarters · filed 2024-02-29 | 46.08M shares derived: average of 4 quarters · filed 2024-02-29 | ||||
| 2021-12-31 | 46.14M shares derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-29 | 46.06M shares derived: average of 2 quarters · filed 2024-02-29 | 45.97M shares derived: average of 3 quarters · filed 2024-02-29 | 45.85M shares 10-K · filed 2024-02-29 | ||||
| 2021-09-30 | 45.97M shares 10-Q · filed 2022-11-09 | 45.88M shares derived: average of 2 quarters · filed 2022-11-09 | 45.75M shares 10-Q · filed 2022-11-09 | 45.60M shares derived: average of 4 quarters · filed 2023-02-24 | ||||
| 2021-06-30 | 45.80M shares 10-Q · filed 2022-08-05 | 45.65M shares 10-Q · filed 2022-08-05 | 45.48M shares derived: average of 3 quarters · filed 2023-02-24 | 45.35M shares derived: average of 4 quarters · filed 2023-02-24 | ||||
| 2021-03-31 | 45.50M shares 10-Q · filed 2022-05-10 | 45.32M shares derived: average of 2 quarters · filed 2023-02-24 | 45.21M shares derived: average of 3 quarters · filed 2023-02-24 | 45.10M shares derived: average of 4 quarters · filed 2023-02-24 | ||||
| 2020-12-31 | 45.15M shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-24 | 45.06M shares derived: average of 2 quarters · filed 2023-02-24 | 44.97M shares derived: average of 3 quarters · filed 2023-02-24 | 44.84M shares 10-K · filed 2023-02-24 | ||||
| 2020-09-30 | 44.97M shares 10-Q · filed 2021-11-08 | 44.88M shares derived: average of 2 quarters · filed 2021-11-08 | 44.74M shares 10-Q · filed 2021-11-08 | 44.43M shares derived: average of 4 quarters · filed 2022-02-25 | ||||
| 2020-06-30 | 44.78M shares 10-Q · filed 2021-08-09 | 44.62M shares 10-Q · filed 2021-08-09 | 44.24M shares derived: average of 3 quarters · filed 2022-02-25 | 44.01M shares derived: average of 4 quarters · filed 2022-02-25 | ||||
| 2020-03-31 | 44.45M shares 10-Q · filed 2021-05-10 | 43.98M shares derived: average of 2 quarters · filed 2022-02-25 | 43.75M shares derived: average of 3 quarters · filed 2022-02-25 | 43.59M shares derived: average of 4 quarters · filed 2022-02-25 | ||||
| 2019-12-31 | 43.49M shares derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-25 | 43.40M shares derived: average of 2 quarters · filed 2022-02-25 | 43.30M shares derived: average of 3 quarters · filed 2022-02-25 | 43.16M shares 10-K · filed 2022-02-25 | ||||
| 2019-09-30 | 43.31M shares 10-Q · filed 2020-11-06 | 43.21M shares derived: average of 2 quarters · filed 2020-11-06 | 43.05M shares 10-Q · filed 2020-11-06 | 42.91M shares derived: average of 4 quarters · filed 2021-03-01 | ||||
| 2019-06-30 | 43.11M shares 10-Q · filed 2020-08-03 | 42.93M shares 10-Q · filed 2020-08-03 | 42.78M shares derived: average of 3 quarters · filed 2021-03-01 | 42.67M shares derived: average of 4 quarters · filed 2021-03-01 | ||||
| 2019-03-31 | 42.75M shares 10-Q · filed 2020-05-11 | 42.61M shares derived: average of 2 quarters · filed 2021-03-01 | 42.53M shares derived: average of 3 quarters · filed 2021-03-01 | 42.45M shares derived: average of 4 quarters · filed 2021-03-01 | ||||
| 2018-12-31 | 42.47M shares derived: 10-K 12 month − 10-Q 9 month · filed 2021-03-01 | 42.42M shares derived: average of 2 quarters · filed 2021-03-01 | 42.36M shares derived: average of 3 quarters · filed 2021-03-01 | 42.25M shares 10-K · filed 2021-03-01 | ||||
| 2018-09-30 | 42.36M shares 10-Q · filed 2019-11-01 | 42.30M shares derived: average of 2 quarters · filed 2019-11-01 | 42.17M shares 10-Q · filed 2019-11-01 | 42.02M shares derived: average of 4 quarters · filed 2020-02-28 | ||||
| 2018-06-30 | 42.24M shares 10-Q · filed 2019-08-02 | 42.08M shares 10-Q · filed 2019-08-02 | 41.91M shares derived: average of 3 quarters · filed 2020-02-28 | 41.80M shares derived: average of 4 quarters · filed 2020-02-28 | ||||
| 2018-03-31 | 41.92M shares 10-Q · filed 2019-05-10 | 41.75M shares derived: average of 2 quarters · filed 2020-02-28 | 41.65M shares derived: average of 3 quarters · filed 2020-02-28 | 41.57M shares derived: average of 4 quarters · filed 2020-02-28 | ||||
| 2017-12-31 | 41.57M shares derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-28 | 41.52M shares derived: average of 2 quarters · filed 2020-02-28 | 41.45M shares derived: average of 3 quarters · filed 2020-02-28 | 41.35M shares 10-K · filed 2020-02-28 | ||||
| 2017-09-30 | 41.46M shares 10-Q · filed 2018-11-02 | 41.39M shares derived: average of 2 quarters · filed 2018-11-02 | 41.28M shares 10-Q · filed 2018-11-02 | 41.14M shares derived: average of 4 quarters · filed 2019-03-01 | ||||
| 2017-06-30 | 41.32M shares 10-Q · filed 2018-08-02 | 41.19M shares 10-Q · filed 2018-08-02 | 41.04M shares derived: average of 3 quarters · filed 2019-03-01 | 40.92M shares derived: average of 4 quarters · filed 2019-03-01 | ||||
| 2017-03-31 | 41.05M shares 10-Q · filed 2018-05-08 | 40.89M shares derived: average of 2 quarters · filed 2019-03-01 | 40.79M shares derived: average of 3 quarters · filed 2019-03-01 | 40.69M shares derived: average of 4 quarters · filed 2019-03-01 | ||||
| 2016-12-31 | 40.74M shares derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-01 | 40.66M shares derived: average of 2 quarters · filed 2019-03-01 | 40.57M shares derived: average of 3 quarters · filed 2019-03-01 | 40.44M shares 10-K · filed 2019-03-01 | ||||
| 2016-09-30 | 40.59M shares 10-Q · filed 2017-11-06 | 40.49M shares derived: average of 2 quarters · filed 2017-11-06 | 40.34M shares 10-Q · filed 2017-11-06 | 40.15M shares derived: average of 4 quarters · filed 2018-03-01 | ||||
| 2016-06-30 | 40.39M shares 10-Q · filed 2017-07-31 | 40.21M shares 10-Q · filed 2017-07-31 | 40.01M shares derived: average of 3 quarters · filed 2018-03-01 | 39.91M shares derived: average of 4 quarters · filed 2018-03-01 | ||||
| 2016-03-31 | 40.03M shares 10-Q · filed 2017-05-05 | 39.82M shares derived: average of 2 quarters · filed 2018-03-01 | 39.74M shares derived: average of 3 quarters · filed 2018-03-01 | 39.70M shares derived: average of 4 quarters · filed 2018-03-01 | ||||
| 2015-12-31 | 39.61M shares derived: 10-K 12 month − 10-Q 9 month · filed 2018-03-01 | 39.60M shares derived: average of 2 quarters · filed 2018-03-01 | 39.59M shares derived: average of 3 quarters · filed 2018-03-01 | 39.47M shares 10-K · filed 2018-03-01 | ||||
| 2015-09-30 | 39.59M shares 10-Q · filed 2016-11-03 | 39.58M shares derived: average of 2 quarters · filed 2016-11-03 | 39.42M shares 10-Q · filed 2016-11-03 | 39.27M shares derived: average of 4 quarters · filed 2017-03-01 | ||||
| 2015-06-30 | 39.57M shares 10-Q · filed 2016-07-29 | 39.34M shares 10-Q · filed 2016-07-29 | 39.16M shares derived: average of 3 quarters · filed 2017-03-01 | 39.07M shares derived: average of 4 quarters · filed 2017-03-01 | ||||
| 2015-03-31 | 39.10M shares 10-Q · filed 2016-05-06 | 38.96M shares derived: average of 2 quarters · filed 2017-03-01 | 38.90M shares derived: average of 3 quarters · filed 2017-03-01 | 38.84M shares derived: average of 4 quarters · filed 2017-03-01 | ||||
| 2014-12-31 | 38.81M shares derived: 10-K 12 month − 10-Q 9 month · filed 2017-03-01 | 38.80M shares derived: average of 2 quarters · filed 2017-03-01 | 38.76M shares derived: average of 3 quarters · filed 2017-03-01 | 38.69M shares 10-K · filed 2017-03-01 | ||||
| 2014-09-30 | 38.78M shares 10-Q · filed 2015-10-28 | 38.73M shares derived: average of 2 quarters · filed 2015-10-28 | 38.65M shares 10-Q · filed 2015-10-28 | 38.56M shares derived: average of 4 quarters · filed 2016-02-29 | ||||
| 2014-06-30 | 38.68M shares 10-Q · filed 2015-08-03 | 38.58M shares 10-Q · filed 2015-08-03 | 38.49M shares derived: average of 3 quarters · filed 2016-02-29 | 38.34M shares derived: average of 4 quarters · filed 2016-02-29 | ||||
| 2014-03-31 | 38.47M shares 10-Q · filed 2015-05-06 | 38.39M shares derived: average of 2 quarters · filed 2016-02-29 | 38.23M shares derived: average of 3 quarters · filed 2016-02-29 | 37.94M shares derived: average of 4 quarters · filed 2016-02-29 | ||||
| 2013-12-31 | 38.31M shares derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-29 | 38.11M shares derived: average of 2 quarters · filed 2016-02-29 | 37.76M shares derived: average of 3 quarters · filed 2016-02-29 | 37.39M shares 10-K · filed 2016-02-29 | ||||
| 2013-09-30 | 37.91M shares 10-Q · filed 2014-10-31 | 37.48M shares derived: average of 2 quarters · filed 2014-10-31 | 37.08M shares 10-Q · filed 2014-10-31 | 27.81M shares derived: average of 4 quarters · filed 2014-10-31 | ||||
| 2013-06-30 | 37.05M shares 10-Q · filed 2014-07-29 | 37.05K shares 10-Q · filed 2013-08-06 | 36.66M shares 10-Q · filed 2014-07-29 | 36.66K shares 10-Q · filed 2013-08-06 | 24.45M shares derived: average of 3 quarters · filed 2014-07-29 | 27.12M shares derived: average of 4 quarters · filed 2014-07-29 | ||
| 2013-03-31 | 36.26M shares 10-Q · filed 2014-05-01 | 36.26K shares 10-Q · filed 2013-05-02 | 18.15M shares derived: average of 2 quarters · filed 2014-05-01 | 23.81M shares derived: average of 3 quarters · filed 2014-05-01 | 17.87M shares derived: average of 4 quarters · filed 2014-05-01 | |||
| 2012-12-31 | 35.56K shares 10-K · filed 2013-03-05 | 17.59M shares derived: average of 2 quarters · filed 2013-10-28 | 11.74M shares derived: average of 3 quarters · filed 2013-10-28 | 34.87M shares 10-K · filed 2015-03-02 | 34.87K shares 10-K · filed 2013-03-05 | |||
| 2012-09-30 | 35.15M shares 10-Q · filed 2013-10-28 | 35.15K shares 10-Q · filed 2012-11-05 | 17.59M shares derived: average of 2 quarters · filed 2013-10-28 | 34.68M shares 10-Q · filed 2013-10-28 | 34.68K shares 10-Q · filed 2012-11-05 | 8.81M shares derived: average of 4 quarters · filed 2013-10-28 | ||
| 2012-06-30 | 34.66K shares 10-Q · filed 2013-08-06 | 34.38K shares 10-Q · filed 2013-08-06 | 34.18K shares derived: average of 3 quarters · filed 2013-08-06 | 34.03K shares derived: average of 4 quarters · filed 2013-08-06 | ||||
| 2012-03-31 | 34.10K shares 10-Q · filed 2013-05-02 | 33.93K shares derived: average of 2 quarters · filed 2013-05-02 | 33.82K shares derived: average of 3 quarters · filed 2013-05-02 | 33.83K shares derived: average of 4 quarters · filed 2013-05-02 | ||||
| 2011-12-31 | 33.76K shares 10-K · filed 2013-03-05 | 33.68K shares derived: average of 2 quarters · filed 2013-03-05 | 33.73K shares derived: average of 3 quarters · filed 2013-03-05 | 34.05M shares 10-K · filed 2014-03-10 | ||||
| 2011-09-30 | 33.59K shares 10-K · filed 2013-03-05 | 33.72K shares derived: average of 2 quarters · filed 2013-03-05 | 34.15K shares 10-Q · filed 2012-11-05 | 34.47K shares derived: average of 4 quarters · filed 2013-03-05 | ||||
| 2011-06-30 | 33.85K shares 10-K · filed 2013-03-05 | 33.85M shares 10-Q · filed 2011-08-09 | 34.43K shares 10-Q/A · filed 2012-08-27 | 34.43M shares 10-Q · filed 2011-08-09 | 34.76K shares derived: average of 3 quarters · filed 2013-03-05 | 35.12K shares derived: average of 4 quarters · filed 2013-03-05 | ||
| 2011-03-31 | 35.02K shares 10-K · filed 2013-03-05 | 35.22K shares derived: average of 2 quarters · filed 2013-03-05 | 35.54K shares derived: average of 3 quarters · filed 2013-03-05 | 9.10M shares derived: average of 4 quarters · filed 2013-03-05 | ||||
| 2010-12-31 | 35.42K shares derived: 10-K 12 month − 10-Q 9 month · filed 2013-03-05 | 35.80K shares derived: average of 2 quarters · filed 2013-03-05 | 12.12M shares derived: average of 3 quarters · filed 2013-03-05 | 35.83K shares 10-K · filed 2013-03-05 | 35.83M shares 10-K · filed 2012-03-12 | |||
| 2010-09-30 | 36.19K shares 10-Q · filed 2011-10-27 | 18.16M shares derived: average of 2 quarters · filed 2011-10-27 | 35.97K shares 10-Q · filed 2011-10-27 | |||||
| 2010-06-30 | 36.29M shares 10-Q · filed 2011-08-09 | 35.86M shares 10-Q · filed 2011-08-09 | ||||||
| 2009-12-31 | 34.31M shares 10-K · filed 2012-03-12 |
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