Monolithic Power Systems, Inc. (MPWR)

Historical Shares Outstanding

Current Count

49.3M

Financial Fundamentals

MPWR • Quarterly Data • 5Y View

Share Count History

Date	Shares Out. (M)	Change (M)	Change %
2026-06-30	49.3	0.0	+0.02%
2026-03-31	49.2	0.1	+0.15%
2025-12-31	49.2	1.1	+2.34%
2025-09-30	48.0	0.0	+0.06%
2025-06-30	48.0	0.0	+0.01%
2025-03-31	48.0	-0.5	-1.03%
2024-12-31	48.5	-0.5	-0.94%
2024-09-30	49.0	0.0	+0.04%
2024-06-30	48.9	0.0	+0.03%
2024-03-31	48.9	0.0	+0.10%
2023-12-31	48.9	0.1	+0.18%
2023-09-30	48.8	0.0	+0.07%
2023-06-30	48.8	0.1	+0.21%
2023-03-31	48.7	0.1	+0.22%
2022-12-31	48.5	0.2	+0.41%
2022-09-30	48.3	0.1	+0.13%
2022-06-30	48.3	0.0	+0.07%
2022-03-31	48.3	0.0	+0.02%
2021-12-31	48.2	0.4	+0.81%
2021-09-30	47.9	0.1	+0.21%
2021-06-30	47.8	0.0	+0.09%
2021-03-31	47.7	0.1	+0.23%
2020-12-31	47.6	0.6	+1.37%
2020-09-30	47.0	0.1	+0.26%
2020-06-30	46.8	0.2	+0.34%
2020-03-31	46.7	0.2	+0.36%
2019-12-31	46.5	0.7	+1.46%
2019-09-30	45.8	0.3	+0.77%
2019-06-30	45.5	0.3	+0.55%
2019-03-31	45.2	0.2	+0.39%
2018-12-31	45.1	0.4	+0.87%
2018-09-30	44.7	0.3	+0.61%
2018-06-30	44.4	0.1	+0.27%
2018-03-31	44.3	0.1	+0.28%
2017-12-31	44.2	0.7	+1.55%
2017-09-30	43.5	0.1	+0.21%
2017-06-30	43.4	0.1	+0.30%
2017-03-31	43.3	0.9	+2.04%
2016-12-31	42.4	0.5	+1.21%
2016-09-30	41.9	0.2	+0.43%
2016-06-30	41.7	0.1	+0.17%
2016-03-31	41.6	0.2	+0.48%
2015-12-31	41.4	0.8	+1.86%
2015-09-30	40.7	-0.1	-0.14%
2015-06-30	40.7	0.1	+0.37%
2015-03-31	40.6	0.3	+0.68%
2014-12-31	40.3	0.6	+1.50%
2014-09-30	39.7	0.1	+0.30%
2014-06-30	39.6	0.1	+0.23%
2014-03-31	39.5	-0.0	-0.02%
2013-12-31	39.5	0.5	+1.32%
2013-09-30	39.0	0.8	+2.01%
2013-06-30	38.2	0.5	+1.41%
2013-03-31	37.7	0.9	+2.57%
2012-12-31	36.8	0.3	+0.89%
2012-09-30	36.4	0.4	+1.23%
2012-06-30	36.0	0.5	+1.29%
2012-03-31	35.5	1.4	+4.20%
2011-12-31	34.1	-0.1	-0.39%
2011-09-30	34.2	-0.7	-1.90%
2011-06-30	34.9	-1.2	-3.33%
2011-03-31	36.1	1.1	+3.09%
2010-12-31	35.0	-2.7	-7.16%
2010-09-30	37.7	-0.6	-1.64%
2010-06-30	38.4	0.6	+1.51%
2010-03-31	37.8	2.4	+6.67%
2009-12-31	35.4	-1.8	-4.90%
2009-09-30	37.2	0.9	+2.36%
2009-06-30	36.4	2.7	+7.99%
2009-03-31	33.7	0.0	0.00%
2008-12-31	33.7	-2.9	-7.94%
2008-09-30	36.6	0.4	+1.02%
2008-06-30	36.2	0.3	+0.95%
2008-03-31	35.9	2.6	+7.65%
2007-12-31	33.3	-2.6	-7.27%
2007-09-30	36.0	4.6	+14.57%
2007-06-30	31.4	0.9	+2.95%
2007-03-31	30.5	0.0	0.00%
2006-12-31	30.5	0.7	+2.51%
2006-09-30	29.7	-3.9	-11.51%
2006-06-30	33.6	4.8	+16.62%
2006-03-31	28.8	0.0	0.00%
2005-12-31	28.8	-1.8	-5.96%
2005-09-30	30.6	2.9	+10.54%
2005-06-30	27.7	0.2	+0.67%
2005-03-31	27.5	-0.0	-0.00%
2004-12-31	27.5	20.7	+303.89%
2004-09-30	6.8	0.1	+1.67%
2004-06-30	6.7	0.2	+3.46%
2004-03-31	6.5	0.0	0.00%
2003-12-31	6.5	0.3	+5.45%
2003-09-30	6.1	0.1	+1.59%
2003-06-30	6.1	0.0	+0.55%
2003-03-31	6.0	0.0	0.00%
2002-12-31	6.0	0.1	+1.91%
2002-09-30	5.9	0.0	+0.75%
2002-06-30	5.9	0.2	+2.66%
2002-03-31	5.7	—	—