Monolithic Power Systems, Inc. (MPWR): Shares Outstanding

Annual figures by period end, from SEC filings.

48.71M
As of 2025-12-31
49.14M
As of 2026-06-30
+1.1%
3-year compound annual growth
+1.5%
5-year compound annual growth
+2.1%
10-year compound annual growth
2010-12-31: 35.06M2011-12-31: 33.83M2012-12-31: 35.67M2013-12-31: 38.29M2014-12-31: 38.83M2015-12-31: 39.69M2016-12-31: 40.79M2017-12-31: 41.61M2018-12-31: 42.51M2019-12-31: 43.62M2020-12-31: 45.27M2021-12-31: 46.26M2022-12-31: 47.11M2023-12-31: 48.03M2024-12-31: 47.82M2025-03-31: 47.88M2025-06-30: 47.89M2025-09-30: 47.91M2025-12-31: 48.71M48.71M
2010-12-31 Shares Outstanding (shares) 2025-12-31
Period endedShares OutstandingChange YoYSource filing
2025-12-3148.71Mn/a2026-02-27, Balance as of period end
2025-09-3047.91Mn/a2026-02-27, Balance as of period end
2025-06-3047.89Mn/a2026-02-27, Balance as of period end
2025-03-3147.88Mn/a2026-02-27, Balance as of period end
2024-12-3147.82M-0.4%2026-02-27, Balance as of period end
2023-12-3148.03M+2.0%2025-03-03, Balance as of period end
2022-12-3147.11M+1.8%2024-02-29, Balance as of period end
2021-12-3146.26M+2.2%2023-02-24, Balance as of period end
2020-12-3145.27M+3.8%2022-02-25, Balance as of period end
2019-12-3143.62M+2.6%2021-03-01, Balance as of period end
2018-12-3142.51M+2.1%2020-02-28, Balance as of period end
2017-12-3141.61M+2.0%2019-03-01, Balance as of period end
2016-12-3140.79M+2.8%2018-03-01, Balance as of period end
2015-12-3139.69M+2.2%2017-03-01, Balance as of period end
2014-12-3138.83M+1.4%2016-02-29, Balance as of period end
2013-12-3138.29M+7.3%2015-03-02, Balance as of period end
2012-12-3135.67M+5.5%2013-03-05, Balance as of period end
2011-12-3133.83M-3.5%2013-03-05, Balance as of period end
2010-12-3135.06Mn/a2012-03-12, Balance as of period end