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MPWR - As of  05/15/24, 02:04:25 AM:   59 Insider Transactions.

Sector: Technology    Industry: Semiconductor - Specialized
Prev Close:$69.81  Avg Vol(3m): 280,398  P/E: 72.70  EPS: 0.96

Email this page to a friend.    Insider Transactions for MPWR

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-02-12 08:09:02.0 MONOLITHIC POWER SYSTEMS INC MPWR VANGUARD GROUP INC 8.83% view
B 2020-02-04 12:16:14.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 10.6% view
S 2019-06-07 16:59:00.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 3.378% view
S 2019-02-11 13:34:54.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 9.8% view
B 2019-01-28 14:44:49.0 MONOLITHIC POWER SYSTEMS INC MPWR FRANKLIN RESOURCES INC 8.13% view
S 2018-01-19 13:55:18.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 8.398% view
S 2017-02-10 09:59:06.0 MONOLITHIC POWER SYSTEMS INC MPWR VANGUARD GROUP INC 10.3% view
S 2016-02-16 10:43:57.0 MONOLITHIC POWER SYSTEMS INC MPWR ADAGE CAPITAL PARTNERS GP LLC 1.13% view
B 2016-02-11 20:02:33.0 MONOLITHIC POWER SYSTEMS INC MPWR RS INVESTMENT MANAGEMENT CO LLC 5.35% view
S 2016-01-26 16:40:26.0 MONOLITHIC POWER SYSTEMS INC MPWR CITADEL ADVISORS LLC 2.8% view
S 2015-02-17 15:32:04.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 10.018% view
B 2015-02-11 10:15:42.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 8.2% view
B 2014-11-10 11:04:43.0 MONOLITHIC POWER SYSTEMS INC MPWR EARNEST PARTNERS LLC 5.1% view
S 2014-07-10 16:45:47.0 MONOLITHIC POWER SYSTEMS INC MPWR ADAGE CAPITAL PARTNERS GP LLC 5.42% view
B 2014-02-14 16:12:20.0 MONOLITHIC POWER SYSTEMS INC MPWR EARNEST PARTNERS LLC 5.5% view
B 2014-02-14 06:54:30.0 MONOLITHIC POWER SYSTEMS INC MPWR VANGUARD GROUP INC 5.77% view
B 2014-02-03 11:41:33.0 MONOLITHIC POWER SYSTEMS INC MPWR COLUMBIA WANGER ASSET MANAGEMENT LLC 8.0% view
B 2013-12-27 09:25:02.0 MONOLITHIC POWER SYSTEMS INC MPWR ADAGE CAPITAL PARTNERS GP LLC 5.6% view
S 2013-02-14 14:07:29.0 MONOLITHIC POWER SYSTEMS INC MPWR FRONTIER CAPITAL MANAGEMENT CO LLC 5.857% view
B 2013-02-13 18:39:12.0 MONOLITHIC POWER SYSTEMS INC MPWR COLUMBIA WANGER ASSET MANAGEMENT LLC 6.4% view
S 2013-02-12 13:02:53.0 MONOLITHIC POWER SYSTEMS INC MPWR MASSACHUSETTS FINANCIAL SERVICES CO 4.3% view
S 2013-02-05 10:06:56.0 MONOLITHIC POWER SYSTEMS INC MPWR BLAIR WILLIAM & CO 0.84% view
B 2013-01-31 16:09:45.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 15.0% view
B 2012-08-07 11:45:43.0 MONOLITHIC POWER SYSTEMS INC MPWR FRONTIER CAPITAL MANAGEMENT CO LLC 9.303% view
S 2012-02-14 15:58:44.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 6.77% view
B 2012-02-10 17:28:26.0 MONOLITHIC POWER SYSTEMS INC MPWR VANGUARD GROUP INC 5.27% view
B 2012-01-31 10:08:19.0 MONOLITHIC POWER SYSTEMS INC MPWR MASSACHUSETTS FINANCIAL SERVICES CO 5.4% view
B 2011-05-10 15:37:20.0 MONOLITHIC POWER SYSTEMS INC MPWR WELLS FARGO & CO 11.02% view
S 2011-02-14 18:53:33.0 MONOLITHIC POWER SYSTEMS INC MPWR FRONTIER CAPITAL MANAGEMENT CO LLC 9.008% view
B 2011-02-07 20:30:59.0 MONOLITHIC POWER SYSTEMS INC MPWR BLAIR WILLIAM & CO 7.38% view
S 2011-01-20 09:54:06.0 MONOLITHIC POWER SYSTEMS INC MPWR WELLS FARGO & CO 5.73% view
B 2010-12-10 16:11:32.0 MONOLITHIC POWER SYSTEMS INC MPWR WELLS FARGO & CO 10.36% view
B 2010-04-12 10:39:03.0 MONOLITHIC POWER SYSTEMS INC MPWR ALGER FRED MANAGEMENT INC 11.376% view
B 2010-02-16 11:02:44.0 MONOLITHIC POWER SYSTEMS INC MPWR KINGDOM RIDGE CAPITAL MASTER FUND 6.66% view
S 2010-02-01 16:36:50.0 MONOLITHIC POWER SYSTEMS INC MPWR COLUMBIA WANGER ASSET MANAGEMENT LP 5.69% view
B 2009-11-10 15:41:20.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 12.0% view
S 2009-02-17 13:50:31.0 MONOLITHIC POWER SYSTEMS INC MPWR ARTIS CAPITAL MANAGEMENT 0.2% view
S 2009-02-11 10:39:56.0 MONOLITHIC POWER SYSTEMS INC MPWR TimesSquare Capital Management n/a view
S 2009-01-26 13:17:24.0 MONOLITHIC POWER SYSTEMS INC MPWR Moyer James C 1.63% view
B 2008-12-15 17:16:55.0 MONOLITHIC POWER SYSTEMS INC MPWR KINGDOM RIDGE CAPITAL MASTER FUND 10.34% view
B 2008-06-06 06:03:53.0 MONOLITHIC POWER SYSTEMS INC MPWR TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD 10.68% view
S 2008-02-14 15:35:43.0 MONOLITHIC POWER SYSTEMS INC MPWR Moyer James C 5.16% view
B 2008-02-14 15:35:42.0 MONOLITHIC POWER SYSTEMS INC MPWR Hsing Michael 4.84% view
S 2008-02-13 19:26:51.0 MONOLITHIC POWER SYSTEMS INC MPWR ARTIS CAPITAL MANAGEMENT 2.8% view
S 2008-01-25 19:15:19.0 MONOLITHIC POWER SYSTEMS INC MPWR SELIGMAN J & W & CO INC 5.0% view
B 2007-10-10 16:23:31.0 MONOLITHIC POWER SYSTEMS INC MPWR ARTIS CAPITAL MANAGEMENT 14.16% view
B 2007-02-13 14:32:36.0 MONOLITHIC POWER SYSTEMS INC MPWR SELIGMAN J & W & CO INC 12.17% view
S 2007-02-12 12:00:19.0 MONOLITHIC POWER SYSTEMS INC MPWR Moyer James C 6.08% view
B 2007-02-07 16:59:47.0 MONOLITHIC POWER SYSTEMS INC MPWR SELIGMAN TECH SPECTRUM 5.23% view
B 2006-11-09 15:53:09.0 MONOLITHIC POWER SYSTEMS INC MPWR SELIGMAN J & W & CO INC 10.09% view
S 2006-08-10 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 SELIGMAN J & W & CO INC 7.08% view
B 2006-04-19 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 BANK OF AMERICA CORP 7.51% view
S 2006-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 FMR CORP n/a view
S 2006-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 Hsing Michael 7.32% view
B 2006-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 LAFFONT PHILIPPE 6.81% view
S 2006-02-08 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 BANK OF AMERICA CORP 8.65% view
B 2005-08-12 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 SELIGMAN J & W & CO INC 5.45% view
B 2005-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 CHWANG RONALD 15.1% view
B 2005-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 Moyer James C 7.0% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.