The company
Monolithic Power Systems, Inc.
MPWR · Nasdaq
TechnologySemiconductorsNot moving yetAIData-Center Infrastructure
MPWR stood above a rising 150-day average in 46 of the last 52 weekly readings, and has been out of that trend for the last 1 week. It is 11.9% below that average now. Semiconductors: 25% of its 68 stocks in an uptrend (−15 points in four weeks); Technology: 29% (−3 points in four weeks).
Statistics
- Rotation
- Not moving yet
- Weeks in an uptrend
- out for 1
- Industry in uptrend
- 25% -15 in 4 wk
- Insider buys, 12 months
- $0
- Insider sales, 12 months
- $1.3B
- Officials’ trades on record
- 22
- Institutions holding
- 1,178 (+115)
In the rotation
Each square a week: lit when it closed above a rising 150-day average. 46 of 52 weeks.
17 Apr – 16 Oct
Semiconductors: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks. Technology: A minority of its stocks are in an uptrend and the share has been slipping.
Money in and out
1 Nov 2024 – 1 Oct 2026
Open-market buys above the line and sales below, in dollars.
Congress and officials
22 disclosed lines: House 10, Senate 11, executive 1; 8 people.
| Who | Did | Amount | Traded |
|---|---|---|---|
| Byron Donalds House: U.S. House ClerkFL19 | soldspouse | $1k–$15k | 5 Jun 2026filed 15 Jul 2026 |
| Byron Donalds House: U.S. House ClerkFL19 | sold | $1k–$15k | 5 Jun 2026filed 15 Jul 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | sold | $250k–$500k | 9 Apr 2026filed 1 Jul 2026 |
| Markwayne Mullin Senate: U.S. Senate eFDSenator | boughtjoint | $15k–$50k | 4 Feb 2026filed 2 Mar 2026 |
| Markwayne Mullin Senate: U.S. Senate eFDSenator | boughtspouse | $15k–$50k | 5 Jan 2026filed 4 Feb 2026 |
| Markwayne Mullin Senate: U.S. Senate eFDSenator | bought | $15k–$50k | 5 Jan 2026filed 4 Feb 2026 |
| Michael Guest House: U.S. House ClerkMS03 | boughtdependent child | $1k–$15k | 20 Oct 2025filed 19 Nov 2025 |
| Robert P. Bresnahan, Jr. House: U.S. House ClerkPA08 | bought | $1k–$15k | 8 Apr 2025filed 8 May 2025 |
| Robert P. Bresnahan, Jr. House: U.S. House ClerkPA08 | soldjoint | $1k–$15k | 13 Jan 2025filed 13 Feb 2025 |
| Tommy Tuberville Senate: U.S. Senate eFDSenator | soldjoint | $1k–$15k | 3 May 2024filed 5 Aug 2026 |
| Tommy Tuberville Senate: U.S. Senate eFDSenator | soldjoint | $1k–$15k | 3 May 2024filed 14 Jun 2024 |
| Tommy Tuberville Senate: U.S. Senate eFDSenator | boughtjoint | $1k–$15k | 17 Oct 2023filed 16 Nov 2023 |
Insiders
Buy orders, 12 months0
Sale orders, 12 months57
Buyers · sellers0 · 11
| Who | Did | Shares | Traded |
|---|---|---|---|
| Michael HsingCEO | sold | 596at $1,323.31 | 28 Sep 2026filed 30 Sep 2026 |
| Michael HsingCEO | sold | 2,121at $1,328.54 | 28 Sep 2026filed 30 Sep 2026 |
| Michael HsingCEO | sold | 1,111at $1,333.34 | 28 Sep 2026filed 30 Sep 2026 |
| Michael HsingCEO | sold | 2,949at $1,338.66 | 28 Sep 2026filed 30 Sep 2026 |
| Michael HsingCEO | sold | 5,783at $1,343.76 | 28 Sep 2026filed 30 Sep 2026 |
| Michael HsingCEO | sold | 6,343at $1,347.15 | 28 Sep 2026filed 30 Sep 2026 |
| Michael HsingCEO | sold | 10,967at $1,351.43 | 28 Sep 2026filed 30 Sep 2026 |
| Michael HsingCEO | sold | 130at $1,356.94 | 28 Sep 2026filed 30 Sep 2026 |
| Kuo Wei Herbert ChangDirector | sold | 50at $1,281.57 | 24 Aug 2026filed 25 Aug 2026 |
| Robert W. Dean IIInterim CFO | sold | 32at $1,297.72 | 24 Aug 2026filed 26 Aug 2026 |
| Robert W. Dean IIInterim CFO | sold | 6at $1,413.64 | 17 Aug 2026filed 19 Aug 2026 |
| Kuo Wei Herbert ChangDirector | sold | 50at $1,420.00 | 11 Aug 2026filed 13 Aug 2026 |
Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.
Institutions
Holders1,178+115 on the quarter
New · exited211 · 96
Reported value$63.2B
Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc.reduced · filed 7 Aug 2026 | 5,589,925$7.7B | -482,542−7.9% |
| FMR LLCadded · filed 13 Aug 2026 | 5,177,258$7.2B | +776,427+17.6% |
| VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026 | 3,126,756$4.3B | +43,307+1.4% |
| VANGUARD PORTFOLIO MANAGEMENT LLCreduced · filed 13 Aug 2026 | 2,504,858$3.5B | -11,634−0.5% |
| Invesco Ltd.added · filed 14 Aug 2026 | 2,343,930$3.2B | +858,837+57.8% |
| STATE STREET CORPadded · filed 7 Aug 2026 | 2,282,186$3.2B | +93,732+4.3% |
| GEODE CAPITAL MANAGEMENT, LLCreduced · filed 12 Aug 2026 | 1,195,281$1.6B | -236,785−16.5% |
| FRANKLIN RESOURCES INCreduced · filed 13 Aug 2026 | 811,974$1.1B | -116,697−12.6% |
| GOLDMAN SACHS GROUP INCadded · filed 14 Aug 2026 | 780,650$1.1B | +212,586+37.4% |
| NORGES BANKnew · filed 12 Aug 2026 | 751,399$1.0B | +751,399 |
31 Mar 2023 – 30 Jun 2026
News
FinancialContent - Monolithic Power Systems, MACOM, Micron, Seagate, and Vishay Intertechnology Shares Plummet, What You Need To Knowfinancialcontent.com · 12 Oct 2026Monolithic Power Systems Stock Passes Early Entry Amid High AI Demandinvestors.com · 8 Oct 2026Monolithic Power Systems climbs 8% amid four-session recovery (MPWR:NASDAQ)seekingalpha.com · 22 Sep 2026GlobalFoundries and Monolithic Power Systems form manufacturing partnership to scale high-performance power solutionsdesign-reuse.com · 14 Sep 2026
Everyone who traded it
Same industry
Government contracts
No federal award is tied to it.
From its SEC filings
Analyst forecasts
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