Monolithic Power Systems Inc

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Monolithic Power Systems Inc
TickerMPWR
CIK #0001280452
CUSIP609839105
SectorManufacturing - Semiconductors & Related Devices
Address6409 Guadalupe Mines Road, San Jose, CA 95120
Source [EDGAR]
CIK Filing 2011 - 2024
[0001280452] 10-K
[0001280452] 10-Q
[0001280452] 3
[0001280452] 4
[0001280452] 5
[0001280452] 8-K
[0001280452] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Price T Rowe Associates Inc /MD/ Monolithic Power Systems Inc [2023-02-14] 7.8
BlackRock Inc Monolithic Power Systems Inc [2023-01-20] 11.6
Franklin Resources Inc Monolithic Power Systems Inc [2019-01-28] 5.3
RS Investment Management Co LLC Monolithic Power Systems Inc [2016-02-12] 5.35
Earnest Partners LLC Monolithic Power Systems Inc [2014-02-14] 5.5
Citadel Advisors LLC Monolithic Power Systems Inc [2013-12-27] 5.0
[2013-04-08] None
FMR LLC Monolithic Power Systems Inc [2012-09-10] 0.0
Janus Capital Management LLC Monolithic Power Systems Inc [2012-02-14] 6.0
Vanguard Group Inc Monolithic Power Systems Inc [2012-02-10] 5.27
Columbia Wanger Asset Management LLC Monolithic Power Systems Inc [2012-02-10] 6.2
Massachusetts Financial Services Co /MA/ Monolithic Power Systems Inc [2012-01-31] 5.4
Form 3/4/5 Filer 2011 - 2024
Monolithic Power Systems Inc
Tseng Saria
Sciammas Maurice
Xiao Deming
Blegen Theodore
Hsing Michael
Wynne Eileen
Martinez Carintia
Moyer James C
Zhou Jeff
Lee Victor K
Chang KUO Wei Herbert
Elmiger Eugen J
Smith-Bogart Karen A
Rao Meera
McBurnie Douglas M
Ueunten Paul
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock Inc. [2023-03-31] SOLE 4,838,931.0 5,174,040.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 4,955,699.0
Price T Rowe Associates Inc /MD/ [2023-03-31] SOLE 1,200,687.0 3,271,360.0
State Street Corp [2023-03-31] DFND 1,568,180.0 1,811,967.0
FMR LLC [2023-03-31] DFND 1,708,412.0 1,757,149.0
Franklin Resources Inc [2023-03-31] DFND 1,707,557.0 1,707,607.0
Invesco Ltd. [2023-03-31] DFND 0.0 1,640,005.0
Brown Advisory Inc [2023-03-31] DFND 962,306.0 1,027,102.0
Geode Capital Management LLC [2023-03-31] DFND 964,918.0 966,299.0
Massachusetts Financial Services Co /MA/ [2023-03-31] SOLE 965,382.0 965,382.0
Envestnet Asset Management Inc [2023-03-31] SOLE 876,025.0 876,025.0
Artisan Partners Limited Partnership [2023-03-31] SOLE 717,059.0 812,304.0
Bank of America Corp /DE/ [2023-03-31] DFND 14,696.0 721,842.0
JPMorgan Chase & Co [2023-03-31] DFND 534,435.0 670,579.0
Nuveen Asset Management LLC [2023-03-31] DFND 662,475.0 662,475.0
Macquarie Group Ltd [2023-03-31] SOLE 633,264.0 634,500.0
Capital Research Global Investors [2023-03-31] DFND 570,556.0 570,556.0
van Eck Associates Corp [2023-03-31] SOLE 483,123.0 483,123.0
AllianceBernstein LP [2023-03-31] DFND 235,714.0 452,155.0
Northern Trust Corp [2023-03-31] DFND 78,304.0 447,824.0
Clearbridge Investments LLC [2023-03-31] SOLE 424,311.0 424,396.0
Allspring Global Investments Holdings, LLC [2023-03-31] DFND 68,387.0 410,492.0
Los Angeles Capital Management LLC [2023-03-31] SOLE 216,572.0 392,763.0
Impax Asset Management Group plc [2023-03-31] DFND 284,252.0 378,712.0
Bank of New York Mellon Corp [2023-03-31] DFND 290,577.0 366,467.0
Wasatch Advisors LP [2023-03-31] SOLE 271,513.0 361,679.0
Wellington Management Group LLP [2023-03-31] DFND 0.0 340,029.0
Polar Capital Holdings Plc [2023-03-31] DFND 336,973.0 336,973.0
Eagle Asset Management Inc [2023-03-31] SOLE 336,687.0 336,687.0
Morgan Stanley [2023-03-31] DFND 255,678.0 324,309.0
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