Monolithic Power Systems, Inc.

NasdaqGS:MPWR Stock Report

Market Cap: US$28.9b

Monolithic Power Systems Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:MPWR Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
09 Dec 24SellUS$1,500,000Theodore BlegenIndividual2,500US$600.00
08 Nov 24SellUS$561,620Theodore BlegenIndividual734US$765.15
08 Nov 24SellUS$662,611Maurice SciammasIndividual866US$765.14
08 Nov 24SellUS$662,611Saria TsengIndividual866US$765.14
08 Nov 24SellUS$662,611Deming XiaoIndividual866US$765.14
08 Nov 24SellUS$2,151,602Michael HsingIndividual2,812US$765.15
01 Nov 24SellUS$1,932,405Theodore BlegenIndividual2,500US$779.79
07 Oct 24SellUS$10,225,485Maurice SciammasIndividual11,000US$935.00
01 Oct 24SellUS$2,270,900Theodore BlegenIndividual2,500US$925.12
03 Sep 24SellUS$2,260,506Theodore BlegenIndividual2,500US$919.73
27 Aug 24SellUS$8,796,050Deming XiaoIndividual9,259US$950.00
22 Aug 24SellUS$9,500,000Deming XiaoIndividual10,000US$950.00
15 Aug 24SellUS$178,688Kuo Wei ChangIndividual200US$898.00
09 Aug 24SellUS$3,526,277Michael HsingIndividual4,263US$840.24
08 Aug 24SellUS$2,171,708Michael HsingIndividual2,790US$778.39
08 Aug 24SellUS$566,668Theodore BlegenIndividual728US$778.39
08 Aug 24SellUS$668,637Maurice SciammasIndividual859US$778.39
08 Aug 24SellUS$668,637Saria TsengIndividual859US$778.39
08 Aug 24SellUS$668,637Deming XiaoIndividual859US$778.39
01 Aug 24SellUS$2,131,264Theodore BlegenIndividual2,500US$859.12
22 Jul 24SellUS$2,145,476Theodore BlegenIndividual2,580US$831.58
22 Jul 24SellUS$7,994,810Michael HsingIndividual9,614US$831.58
22 Jul 24SellUS$2,665,214Maurice SciammasIndividual3,205US$831.58
22 Jul 24SellUS$2,665,214Saria TsengIndividual3,205US$831.58
22 Jul 24SellUS$2,665,214Deming XiaoIndividual3,205US$831.58
08 Jul 24SellUS$9,281,285Maurice SciammasIndividual10,999US$848.48
02 Jul 24SellUS$31,510,849Saria TsengIndividual38,951US$824.65
01 Jul 24SellUS$2,149,816Michael HsingIndividual2,672US$807.88
01 Jul 24SellUS$2,010,485Theodore BlegenIndividual2,500US$807.88
28 Jun 24SellUS$820,460Victor LeeIndividual1,000US$820.46
03 Jun 24SellUS$5,848,606Michael HsingIndividual8,000US$746.35
03 Jun 24SellUS$1,829,437Theodore BlegenIndividual2,500US$746.35
22 May 24SellUS$1,000,220Deming XiaoIndividual1,300US$769.40
20 May 24SellUS$150,000Jeff ZhouIndividual200US$750.00
20 May 24SellUS$150,000Kuo Wei ChangIndividual200US$750.00
15 May 24SellUS$147,000Kuo Wei ChangIndividual200US$740.00
08 May 24SellUS$1,948,560Michael HsingIndividual2,824US$690.00
08 May 24SellUS$508,515Theodore BlegenIndividual737US$689.98
08 May 24SellUS$599,610Maurice SciammasIndividual869US$690.00
08 May 24SellUS$599,627Deming XiaoIndividual869US$690.02
08 May 24SellUS$599,627Saria TsengIndividual869US$690.02
01 May 24SellUS$5,294,840Michael HsingIndividual8,000US$670.09
01 May 24SellUS$1,658,215Theodore BlegenIndividual2,500US$670.08
08 Apr 24SellUS$7,500,104Maurice SciammasIndividual11,000US$690.15
01 Apr 24SellUS$1,693,493Theodore BlegenIndividual2,500US$687.44
01 Apr 24SellUS$5,419,521Michael HsingIndividual8,000US$687.45
01 Mar 24SellUS$1,814,388Theodore BlegenIndividual2,500US$733.37
01 Mar 24SellUS$5,808,620Michael HsingIndividual8,000US$733.37
29 Feb 24SellUS$176,585Kuo Wei ChangIndividual250US$706.34
22 Feb 24SellUS$187,500Kuo Wei ChangIndividual250US$750.00
12 Feb 24SellUS$150,114Jeff ZhouIndividual200US$750.57
08 Feb 24SellUS$495,040Theodore BlegenIndividual728US$680.00
08 Feb 24SellUS$1,897,200Michael HsingIndividual2,790US$680.00
08 Feb 24SellUS$584,120Maurice SciammasIndividual859US$680.00
08 Feb 24SellUS$584,120Saria TsengIndividual859US$680.00
08 Feb 24SellUS$584,120Deming XiaoIndividual859US$680.00
05 Feb 24SellUS$2,430,031Michael HsingIndividual3,791US$641.00
05 Feb 24SellUS$555,747Theodore BlegenIndividual867US$641.00
05 Feb 24SellUS$629,462Maurice SciammasIndividual982US$641.00
05 Feb 24SellUS$629,462Deming XiaoIndividual982US$641.00
05 Feb 24SellUS$629,462Saria TsengIndividual982US$641.00
01 Feb 24SellUS$1,508,138Theodore BlegenIndividual2,500US$609.39
01 Feb 24SellUS$4,816,043Michael HsingIndividual8,000US$609.39
12 Jan 24SellUS$6,403,239Maurice SciammasIndividual11,000US$589.29
10 Jan 24SellUS$6,786,331Deming XiaoIndividual11,515US$596.19
09 Jan 24SellUS$834,000Saria TsengIndividual1,390US$600.00
05 Jan 24SellUS$4,578,223Michael HsingIndividual8,000US$577.01
04 Jan 24SellUS$34,203,494Michael HsingIndividual58,654US$583.14
04 Jan 24SellUS$16,102,245Theodore BlegenIndividual27,613US$583.14
04 Jan 24SellUS$16,129,069Maurice SciammasIndividual27,659US$583.14
04 Jan 24SellUS$14,761,606Deming XiaoIndividual25,314US$583.14
04 Jan 24SellUS$14,761,606Saria TsengIndividual25,314US$583.14
02 Jan 24SellUS$1,539,272Theodore BlegenIndividual2,500US$620.50

Insider Trading Volume

Insider Buying: MPWR insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of MPWR?
Owner TypeNumber of SharesOwnership Percentage
State or Government42,1000.0863%
General Public98,2880.201%
Individual Insiders1,706,1463.5%
Institutions46,933,46696.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 64.17% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
11.9%
BlackRock, Inc.
5,803,963US$3.4b-1.75%0.05%
11.8%
The Vanguard Group, Inc.
5,750,228US$3.4b0.97%0.05%
6.87%
FMR LLC
3,353,413US$2.0b10%0.12%
4.27%
State Street Global Advisors, Inc.
2,085,146US$1.2b2.09%0.05%
3.3%
Franklin Resources, Inc.
1,609,134US$954.6m-8.05%0.33%
2.74%
Geode Capital Management, LLC
1,334,164US$791.5m11.2%0.05%
2.69%
T. Rowe Price Group, Inc.
1,313,906US$779.4m-20.8%0.07%
2.26%
Wellington Management Group LLP
1,104,225US$655.0m0.02%0.1%
2.06%
Michael Hsing
1,004,130US$595.7m-0.28%no data
2.01%
Brown Advisory Incorporated
980,091US$581.4m-0.68%0.69%
1.47%
Invesco Ltd.
717,583US$425.7m-8.32%0.11%
1.39%
Massachusetts Financial Services Company
678,093US$402.3m-28%0.09%
1.34%
Norges Bank Investment Management
651,897US$386.7m0%0.03%
0.96%
JP Morgan Asset Management
470,362US$279.0m-21.7%0.03%
0.92%
Van Eck Associates Corporation
447,823US$265.7m26.3%0.29%
0.91%
Vaughan Nelson Investment Management, L.P.
446,215US$264.7m-4.23%2.34%
0.91%
AllianceBernstein L.P.
444,965US$264.0m-10.7%0.08%
0.91%
UBS Asset Management AG
444,473US$263.7m25.7%0.03%
0.85%
Northern Trust Global Investments
414,879US$246.1m-4.01%0.04%
0.8%
Rafferty Asset Management, LLC
391,069US$232.0m-1.07%0.81%
0.8%
Legal & General Investment Management Limited
389,702US$231.2m31.2%0.04%
0.79%
Bank of America Corporation, Asset Management Arm
383,844US$227.7m-5.9%0.07%
0.77%
Managed Account Advisors LLC
373,789US$221.7m-3.26%0.04%
0.75%
Invesco Capital Management LLC
363,487US$215.6m-3.94%0.08%
0.71%
JPMorgan Chase & Co, Brokerage and Securities Investments
347,178US$206.0m-4.96%0.09%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2024/12/22 02:10
End of Day Share Price 2024/12/20 00:00
Earnings2024/09/30
Annual Earnings2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on .

Analyst Sources

Monolithic Power Systems, Inc. is covered by 35 analysts. 16 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Tristan GerraBaird
Ishan MajumdarBaptista Research
Brian PiccioniBMO Capital Markets Equity Research