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MPWR
- As of 09/26/24, 07:54:45 PM: 57 Insider Transactions.
Sector:
Unknown
Industry:
Unknown
Prev Close:
$69.81
Avg Vol(3m):
0
P/E:
0.00
EPS:
0.00
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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
FRANKLIN RESOURCES INC
4.9%
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
S
2019-01-28 14:44:49.0
MONOLITHIC POWER SYSTEMS INC
MPWR
VANGUARD GROUP INC
10.1%
view
B
2017-02-14 11:39:23.0
MONOLITHIC POWER SYSTEMS INC
MPWR
VANGUARD GROUP INC
7.07%
view
B
2017-02-08 15:42:29.0
MONOLITHIC POWER SYSTEMS INC
MPWR
BlackRock Inc
10.3%
view
S
2016-11-02 18:21:07.0
MONOLITHIC POWER SYSTEMS INC
MPWR
RS INVESTMENT MANAGEMENT CO LLC
0.0%
view
B
2016-02-11 20:02:33.0
MONOLITHIC POWER SYSTEMS INC
MPWR
RS INVESTMENT MANAGEMENT CO LLC
9.0%
view
S
2015-02-17 16:35:39.0
MONOLITHIC POWER SYSTEMS INC
MPWR
ADAGE CAPITAL PARTNERS GP LLC
5.15%
view
B
2015-02-13 10:27:42.0
MONOLITHIC POWER SYSTEMS INC
MPWR
VANGUARD GROUP INC
6.38%
view
S
2015-01-23 15:15:26.0
MONOLITHIC POWER SYSTEMS INC
MPWR
EARNEST PARTNERS LLC
4.8%
view
S
2014-10-10 14:13:31.0
MONOLITHIC POWER SYSTEMS INC
MPWR
EARNEST PARTNERS LLC
5.0%
view
B
2014-05-02 14:48:30.0
MONOLITHIC POWER SYSTEMS INC
MPWR
ADAGE CAPITAL PARTNERS GP LLC
5.1%
view
S
2014-02-14 10:41:42.0
MONOLITHIC POWER SYSTEMS INC
MPWR
FMR LLC
10.837%
view
S
2014-02-11 13:53:12.0
MONOLITHIC POWER SYSTEMS INC
MPWR
COLUMBIA WANGER ASSET MANAGEMENT LLC
n/a
view
B
2014-01-29 21:44:41.0
MONOLITHIC POWER SYSTEMS INC
MPWR
CITADEL ADVISORS LLC
5.0%
view
S
2013-04-08 14:28:33.0
MONOLITHIC POWER SYSTEMS INC
MPWR
FMR LLC
14.997%
view
B
2013-02-14 13:13:35.0
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
B
2012-02-14 15:58:44.0
MONOLITHIC POWER SYSTEMS INC
MPWR
JANUS CAPITAL MANAGEMENT LLC
6.0%
view
B
2012-02-13 12:22:30.0
MONOLITHIC POWER SYSTEMS INC
MPWR
COLUMBIA WANGER ASSET MANAGEMENT LLC
6.2%
view
B
2012-02-10 07:42:42.0
MONOLITHIC POWER SYSTEMS INC
MPWR
VANGUARD GROUP INC
5.4%
view
S
2012-01-30 13:04:06.0
MONOLITHIC POWER SYSTEMS INC
MPWR
BLAIR WILLIAM & CO
3.77%
view
B
2011-05-10 12:41:55.0
MONOLITHIC POWER SYSTEMS INC
MPWR
FRONTIER CAPITAL MANAGEMENT CO LLC
9.008%
view
B
2011-02-10 14:57:56.0
MONOLITHIC POWER SYSTEMS INC
MPWR
BLAIR WILLIAM & CO
7.38%
view
S
2011-02-07 13:56:19.0
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
FMR LLC
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
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
n/a
view
S
2009-01-26 13:17:24.0
MONOLITHIC POWER SYSTEMS INC
MPWR
CHANG KUO WEI HERBERT
1.63%
view
B
2008-12-15 17:16:55.0
MONOLITHIC POWER SYSTEMS INC
MPWR
WELLS FARGO & CO
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
CHANG KUO WEI HERBERT
4.0%
view
B
2008-02-14 15:35:42.0
MONOLITHIC POWER SYSTEMS INC
MPWR
AXA FINANCIAL INC
5.5%
view
S
2008-02-13 19:26:51.0
MONOLITHIC POWER SYSTEMS INC
MPWR
LAFFONT PHILIPPE
2.8%
view
S
2008-01-25 19:15:19.0
MONOLITHIC POWER SYSTEMS INC
MPWR
BANK OF AMERICA CORP
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
SELIGMAN J & W & CO INC
10.6%
view
S
2006-02-14 00:00:00.0
MONOLITHIC POWER SYSTEMS INC
770466789
Moyer James C
6.8%
view
B
2006-02-14 00:00:00.0
MONOLITHIC POWER SYSTEMS INC
770466789
LAFFONT PHILIPPE
9.18%
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
6.9%
view
B
2005-02-14 00:00:00.0
MONOLITHIC POWER SYSTEMS INC
770466789
BAVP
8.61%
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.