Monolithic Power Systems Inc

-

Stock Issuer and Owners

Home | Sign Up | Log In
List of Funds
Boston Firms
Boston Hedge Funds
Cornell Alumni Firms
CalPERS Portfolio
NYSCRF Portfolio
Related People
Fund Service Providers
Startup & Company Raises
User Guide
Regulatory AUM vs AUM
LP Portfolios
Related Firms
Build a Portfolio
Comprehensive Search
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 - 2026
[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 [2024-02-14] 4.6
FMR LLC Monolithic Power Systems Inc [2024-02-09] 0.0
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 - 2026
Hsing Michael
Monolithic Power Systems Inc
Zhou Jeff
Xiao Deming
Sciammas Maurice
Blegen Theodore
Chang KUO Wei Herbert
Tseng Saria
Wynne Eileen
Lee Victor K
Elmiger Eugen J
Martinez Carintia
Moyer James C
Smith-Bogart Karen A
Rao Meera
McBurnie Douglas M
Ueunten Paul
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 5,709,572
BlackRock, Inc. [2025-06-30] SOLE 4,850,105 5,229,158
FMR LLC [2025-06-30] DFND 3,170,274 3,392,704
State Street Corp [2025-06-30] DFND 1,280,383 2,120,034
Geode Capital Management LLC [2025-06-30] DFND 1,317,472 1,318,541
Invesco Ltd. [2025-06-30] DFND 0 1,166,059
Franklin Resources Inc [2025-06-30] DFND 1,084,860 1,088,223
Brown Advisory Inc [2025-06-30] DFND 797,738 864,309
JPMorgan Chase & Co [2025-06-30] DFND 777,087 856,307
Wellington Management Group LLP [2025-06-30] DFND 0 703,151
Bank of America Corp /DE/ [2025-06-30] DFND 21,583 692,747
Norges Bank [2025-06-30] SOLE 598,887 598,887
Morgan Stanley [2025-06-30] DFND 466,137 565,019
Rafferty Asset Management LLC [2025-06-30] SOLE 529,124 529,124
FIL Ltd [2025-06-30] DFND 499,777 523,073
Goldman Sachs Group Inc [2025-06-30] DFND 515,781 521,548
UBS Group AG [2025-06-30] DFND 465,232 502,536
Northern Trust Corp [2025-06-30] DFND 475,721 478,019
Massachusetts Financial Services Co /MA/ [2025-06-30] SOLE 383,098 383,098
Susquehanna International Group LLP [2025-06-30] OTR 76,073 369,973
Legal & General Group Plc [2025-06-30] DFND 294,527 350,574
Charles Schwab Investment Management Inc [2025-06-30] SOLE 343,950 343,961
Bank of New York Mellon Corp [2025-06-30] DFND 271,878 330,556
AllianceBernstein LP [2025-06-30] DFND 193,795 314,136
Raymond James Financial Inc [2025-06-30] DFND 254,335 286,448
Citigroup Inc [2025-06-30] DFND 278,929 278,929
Vaughan Nelson Investment Management LP [2025-06-30] DFND 199,362 272,047
First Trust Advisors LP [2025-06-30] SOLE 269,179 269,179
Vanguard Group Inc [2025-06-30] DFND 0 230,374
Voya Investment Management LLC [2025-06-30] DFND 0 228,135
Prev | Page 1180 | Next
New Features
Service Providers Listing Leaderboards of the custodians, auditors, brokers, marketers, and fund sponsors behind private funds — ranked by assets and number of funds, each with its own page and a growth-over-time chart.
Latest Form D Offerings by VC, PE & Hedge Funds The newest private-fund Form D filings — venture capital, private equity, and hedge funds — with how much each is raising, its strategy, and the managers behind it. Filter by period and fund type.
Latest Form D Offerings by Companies Operating-company Regulation D raises (Databricks, Roboflow, and thousands more), ranked by amount raised and filterable by period and industry — the startup side of Form D, kept separate from pooled funds.
In the News Recent headlines gathered for the firms and funds people follow most, shown right on each firm and fund page — here it is live on a major manager's profile.
Terms | Privacy | Providers | Companies | Guide
tony@aum13f.com