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MPWR Insider Trading

Insider Ownership Percentage: 3.60%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $334,386,764.38

Monolithic Power Systems Insider Trading History Chart

This chart shows the insider buying and selling history at Monolithic Power Systems by year and by quarter.

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Monolithic Power Systems Share Price & Price History

Current Price: $1,342.80
Price Change: ▲ Price Increase of +98.848 (7.95%)
As of 11/3/2026 01:00 PM ET

This chart shows the closing price history over time for MPWR up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Monolithic Power Systems Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/24/2026Kuo Wei Herbert ChangDirectorSell50$1,281.57$64,078.50515View SEC Filing Icon  
8/11/2026Kuo Wei Herbert ChangDirectorSell50$1,420.00$71,000.00565View SEC Filing Icon  
8/3/2026Maurice SciammasEVPSell30$1,343.94$40,318.201,119View SEC Filing Icon  
7/1/2026Maurice SciammasEVPSell30$1,351.61$40,548.301,149View SEC Filing Icon  
6/1/2026Maurice SciammasEVPSell30$1,533.95$46,018.501,179View SEC Filing Icon  
5/27/2026Saria TsengEVPSell7,565$1,700.00$12,860,500.00144,218View SEC Filing Icon  
5/26/2026Jeff ZhouDirectorSell486$1,680.00$816,480.003,800View SEC Filing Icon  
5/22/2026Saria TsengEVPSell5,000$1,586.43$7,932,150.00151,783View SEC Filing Icon  
5/15/2026Maurice SciammasEVPSell12,000$1,561.40$18,736,800.00166,644View SEC Filing Icon  
5/6/2026Deming XiaoEVPSell30,000$1,654.55$49,636,500.00205,959View SEC Filing Icon  
5/6/2026Eileen WynneDirectorSell335$1,582.68$530,197.801,007View SEC Filing Icon  
5/6/2026Eugen J ElmigerDirectorSell12,000$1,584.96$19,019,520.005,402View SEC Filing Icon  
5/6/2026Jeff ZhouDirectorSell500$1,650.00$825,000.004,286View SEC Filing Icon  
5/5/2026Jeff ZhouDirectorSell1,014$1,587.06$1,609,278.844,786View SEC Filing Icon  
5/5/2026Maurice SciammasEVPSell380$1,583.81$601,847.80919View SEC Filing Icon  
5/4/2026Maurice SciammasEVPSell30$1,588.73$47,661.901,209View SEC Filing Icon  
4/8/2026Saria TsengEVPSell8,963$1,305.22$11,698,686.86156,983View SEC Filing Icon  
4/6/2026Saria TsengEVPSell7,636$1,167.95$8,918,466.20165,946View SEC Filing Icon  
4/1/2026Maurice SciammasEVPSell30$1,116.44$33,493.201,239View SEC Filing Icon  
4/1/2026Saria TsengEVPSell1,400$1,133.52$1,586,928.00173,582View SEC Filing Icon  
3/30/2026Saria TsengEVPSell25,674$1,010.50$25,943,577.00174,982View SEC Filing Icon  
3/20/2026Maurice SciammasEVPSell30$1,095.07$32,852.101,269View SEC Filing Icon  
2/11/2026Maurice SciammasEVPSell200$1,179.97$235,994.001,299View SEC Filing Icon  
2/9/2026Victor K. LeeDirectorSell400$1,212.16$484,864.0027,756View SEC Filing Icon  
2/6/2026Deming XiaoEVPSell22,875$1,171.16$26,790,285.00235,932View SEC Filing Icon  
2/6/2026Maurice SciammasEVPSell22,875$1,171.16$26,790,285.00178,625View SEC Filing Icon  
2/6/2026Saria TsengEVPSell22,875$1,171.16$26,790,285.00200,626View SEC Filing Icon  
2/6/2026Theodore BlegenCFOSell21,725$1,171.16$25,443,451.0082,353View SEC Filing Icon  
2/2/2026Theodore BlegenCFOSell3,000$1,129.76$3,389,280.0065,333View SEC Filing Icon  
1/2/2026Theodore BlegenCFOSell3,000$940.47$2,821,410.0068,332View SEC Filing Icon  
1/2/2026Victor K. LeeDirectorSell600$930.86$558,516.0027,967View SEC Filing Icon  
12/24/2025Victor K. LeeDirectorSell1,000$951.72$951,720.0028,567View SEC Filing Icon  
12/1/2025Theodore BlegenCFOSell3,000$908.21$2,724,630.0071,332View SEC Filing Icon  
11/26/2025Saria TsengEVPSell20,000$926.47$18,529,400.00187,331View SEC Filing Icon  
11/25/2025Kuo Wei Herbert ChangDirectorSell100$896.97$89,697.00426View SEC Filing Icon  
11/24/2025Maurice SciammasEVPSell3,976$895.23$3,559,434.48144,330View SEC Filing Icon  
11/21/2025Kuo Wei Herbert ChangDirectorSell100$873.97$87,397.00526View SEC Filing Icon  
11/19/2025Maurice SciammasEVPSell27,966$881.66$24,656,503.56148,306View SEC Filing Icon  
11/19/2025Maurice SciammasEVPSell7,034$870.21$6,121,057.14176,272View SEC Filing Icon  
11/5/2025Maurice SciammasEVPSell200$986.81$197,362.001,299View SEC Filing Icon  
11/3/2025Theodore BlegenCFOSell3,000$1,024.43$3,073,290.0074,332View SEC Filing Icon  
10/24/2025Saria TsengEVPSell1,300$1,087.62$1,413,906.00126,354View SEC Filing Icon  
10/16/2025Saria TsengEVPSell2,812$1,025.72$2,884,324.64127,654View SEC Filing Icon  
10/15/2025Saria TsengEVPSell14,028$1,016.18$14,254,973.04130,466View SEC Filing Icon  
10/1/2025Theodore BlegenCFOSell3,000$913.22$2,739,660.0037,940View SEC Filing Icon  
9/18/2025Carintia MartinezDirectorSell1,400$900.00$1,260,000.00878View SEC Filing Icon  
9/18/2025Saria TsengEVPSell14,510$914.45$13,268,669.50144,494View SEC Filing Icon  
9/2/2025Theodore BlegenCFOSell3,000$814.34$2,443,020.0040,939View SEC Filing Icon  
8/27/2025Jeff ZhouDirectorSell193$870.00$167,910.005,611View SEC Filing Icon  
8/13/2025Jeff ZhouDirectorSell400$850.00$340,000.005,804View SEC Filing Icon  
8/12/2025Jeff ZhouDirectorSell200$830.00$166,000.006,204View SEC Filing Icon  
8/1/2025Deming XiaoEVPSell39,999$780.00$31,199,220.00121,605View SEC Filing Icon  
8/1/2025Theodore BlegenCFOSell3,000$750.00$2,250,000.0043,939View SEC Filing Icon  
7/1/2025Theodore BlegenCFOSell6,000$750.00$4,500,000.0046,939View SEC Filing Icon  
5/12/2025Kuo Wei Herbert ChangDirectorSell100$698.00$69,800.00676View SEC Filing Icon  
5/12/2025Maurice SciammasEVPSell12,000$701.00$8,412,000.004,015View SEC Filing Icon  
5/8/2025Kuo Wei Herbert ChangDirectorSell100$650.00$65,000.00776View SEC Filing Icon  
2/7/2025Maurice SciammasEVPSell7,000$701.98$4,913,860.0016,015View SEC Filing Icon  
12/9/2024Theodore BlegenCFOSell2,500$600.00$1,500,000.0053,444View SEC Filing Icon  
11/8/2024Deming XiaoEVPSell866$765.14$662,611.24162,239View SEC Filing Icon  
11/8/2024Theodore BlegenCFOSell734$765.15$561,620.1055,944View SEC Filing Icon  
11/1/2024Theodore BlegenCFOSell2,500$772.96$1,932,400.0056,678View SEC Filing Icon  
10/7/2024Maurice SciammasEVPSell11,000$929.59$10,225,490.00103,829View SEC Filing Icon  
10/1/2024Theodore BlegenCFOSell2,500$908.36$2,270,900.0059,178View SEC Filing Icon  
9/3/2024Theodore BlegenCFOSell2,500$904.20$2,260,500.0061,678View SEC Filing Icon  
8/27/2024Deming XiaoEVPSell9,259$950.00$8,796,050.0020,455View SEC Filing Icon  
8/22/2024Deming XiaoEVPSell10,000$950.00$9,500,000.0029,714View SEC Filing Icon  
8/8/2024Deming XiaoEVPSell859$778.39$668,637.01202,354View SEC Filing Icon  
8/8/2024Michael HsingCEOSell2,790$778.39$2,171,708.10865,332View SEC Filing Icon  
8/8/2024Theodore BlegenCFOSell728$778.39$566,667.9264,178View SEC Filing Icon  
8/1/2024Theodore BlegenCFOSell2,500$852.51$2,131,275.0064,906View SEC Filing Icon  
7/22/2024Deming XiaoEVPSell3,205$831.58$2,665,213.90203,213View SEC Filing Icon  
7/22/2024Michael HsingCEOSell9,614$831.58$7,994,810.12868,122View SEC Filing Icon  
7/22/2024Theodore BlegenCFOSell2,580$831.58$2,145,476.4067,406View SEC Filing Icon  
7/8/2024Maurice SciammasEVPSell10,999$843.83$9,281,286.17118,876View SEC Filing Icon  
7/1/2024Michael HsingCEOSell2,672$804.57$2,149,811.04877,736View SEC Filing Icon  
7/1/2024Saria TsengEVPSell37,093$808.20$29,978,562.60166,428View SEC Filing Icon  
7/1/2024Theodore BlegenCFOSell2,500$804.19$2,010,475.0069,986View SEC Filing Icon  
6/28/2024Victor K. LeeDirectorSell1,000$820.46$820,460.0029,232View SEC Filing Icon  
6/3/2024Michael HsingCEOSell8,000$731.08$5,848,640.00880,408View SEC Filing Icon  
6/3/2024Theodore BlegenCFOSell2,416$731.43$1,767,134.8872,486View SEC Filing Icon  
5/22/2024Deming XiaoEVPSell1,300$769.40$1,000,220.00206,418View SEC Filing Icon  
5/20/2024Jeff ZhouDirectorSell200$750.00$150,000.006,069View SEC Filing Icon  
5/15/2024Kuo Wei Herbert ChangDirectorSell200$735.00$147,000.00941View SEC Filing Icon  
5/8/2024Michael HsingCEOSell2,824$690.00$1,948,560.00888,408View SEC Filing Icon  
5/8/2024Saria TsengEVPSell869$690.02$599,627.38203,521View SEC Filing Icon  
5/8/2024Theodore BlegenCFOSell737$689.98$508,515.2674,986View SEC Filing Icon  
5/1/2024Michael HsingCEOSell8,000$661.85$5,294,800.00891,232View SEC Filing Icon  
5/1/2024Theodore BlegenCFOSell2,500$663.29$1,658,225.0075,723View SEC Filing Icon  
4/8/2024Maurice SciammasEVPSell11,000$681.83$7,500,130.00130,744View SEC Filing Icon  
4/1/2024Michael HsingCEOSell8,000$677.44$5,419,520.00899,232View SEC Filing Icon  
3/1/2024Michael HsingCEOSell8,000$726.08$5,808,640.00907,232View SEC Filing Icon  
3/1/2024Theodore BlegenCFOSell2,500$725.76$1,814,400.0080,723View SEC Filing Icon  
2/29/2024Kuo Wei Herbert ChangDirectorSell250$706.34$176,585.001,141View SEC Filing Icon  
2/22/2024Kuo Wei Herbert ChangDirectorSell250$750.00$187,500.001,391View SEC Filing Icon  
2/12/2024Jeff ZhouDirectorSell200$750.57$150,114.006,269View SEC Filing Icon  
2/8/2024Deming XiaoInsiderSell859$680.00$584,120.00208,580View SEC Filing Icon  
2/8/2024Michael HsingCEOSell2,790$680.00$1,897,200.00915,193View SEC Filing Icon  
2/8/2024Theodore BlegenCFOSell728$680.00$495,040.0083,173View SEC Filing Icon  
2/1/2024Michael HsingCEOSell8,000$602.01$4,816,080.00921,774View SEC Filing Icon  
2/1/2024Theodore BlegenCFOSell2,500$603.26$1,508,150.0084,768View SEC Filing Icon  
1/12/2024Maurice SciammasVPSell11,000$582.11$6,403,210.00143,559View SEC Filing Icon  
1/10/2024Deming XiaoInsiderSell11,515$589.35$6,786,365.25210,421View SEC Filing Icon  
1/9/2024Saria TsengVPSell1,390$600.00$834,000.00206,180View SEC Filing Icon  
1/4/2024Michael HsingCEOSell58,654$583.14$34,203,493.56937,772View SEC Filing Icon  
1/4/2024Saria TsengVPSell25,314$583.14$14,761,605.96207,570View SEC Filing Icon  
1/4/2024Theodore BlegenCFOSell27,613$583.14$16,102,244.8287,268View SEC Filing Icon  
1/2/2024Theodore BlegenCFOSell2,500$615.71$1,539,275.00114,881View SEC Filing Icon  
12/18/2023Theodore BlegenCFOSell2,500$631.36$1,578,400.00117,381View SEC Filing Icon  
12/13/2023Saria TsengVPSell18,610$600.00$11,166,000.00232,884View SEC Filing Icon  
11/16/2023James C MoyerDirectorSell3,800$538.94$2,047,972.00470View SEC Filing Icon  
11/13/2023Kuo Wei Herbert ChangDirectorSell100$510.00$51,000.001,693View SEC Filing Icon  
11/8/2023Maurice SciammasVPSell859$490.39$421,245.01182,218View SEC Filing Icon  
11/8/2023Michael HsingCEOSell2,790$490.39$1,368,188.10996,426View SEC Filing Icon  
11/8/2023Theodore BlegenCFOSell712$490.39$349,157.68119,881View SEC Filing Icon  
11/6/2023Deming XiaoInsiderSell982$492.92$484,047.44251,500View SEC Filing Icon  
11/6/2023Michael HsingCEOSell3,790$492.92$1,868,166.80999,216View SEC Filing Icon  
11/6/2023Theodore BlegenCFOSell847$492.92$417,503.24120,593View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Monolithic Power Systems (NASDAQ:MPWR)

93.46% of Monolithic Power Systems stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MPWR by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Monolithic Power Systems Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/3/2026May Hill Capital LLC234$0.32M0.1%-4.1%0.000%Search for SEC Filing on Google Icon
11/3/2026Alps Advisors Inc.640$0.86M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/3/2026Ashton Thomas Private Wealth LLC684$0.92M0.0%+35.7%0.001%Search for SEC Filing on Google Icon
11/3/2026International Assets Investment Management LLC196$0.27M0.0%-26.3%0.000%Search for SEC Filing on Google Icon
11/3/2026Heritage Family Offices LLP33$44K0.0%N/A0.000%Search for SEC Filing on Google Icon
11/3/2026Calamos Advisors LLC2,986$4.02M0.0%-4.4%0.006%Search for SEC Filing on Google Icon
11/3/2026Liberty Capital Management Inc.1,711$2.31M0.4%+1.8%0.003%Search for SEC Filing on Google Icon
11/2/2026Alta Advisers Ltd357$0.48M0.1%+58.7%0.001%Search for SEC Filing on Google Icon
11/2/2026Kestra Advisory Services LLC1,757$2.37M0.0%+17.2%0.004%Search for SEC Filing on Google Icon
11/2/2026Inscription Capital LLC851$1.15M0.1%-10.5%0.002%Search for SEC Filing on Google Icon
11/2/2026Commonwealth Equity Services LLC11,829$15.94M0.0%+162.3%0.024%Search for SEC Filing on Google Icon
11/2/2026TFB Advisors LLC519$0.70M0.3%+5.9%0.001%Search for SEC Filing on Google Icon
11/2/2026Collaborative Fund Advisors LLC939$1.27M0.7%N/A0.002%Search for SEC Filing on Google Icon
10/31/2026Jacksonville Wealth Management LLC1,491$2.01M1.1%-2.2%0.003%Search for SEC Filing on Google Icon
10/31/2026Chicago Partners Investment Group LLC804$0.92M0.0%+11.4%0.002%Search for SEC Filing on Google Icon
10/31/2026Covestor Ltd75$0.10M0.1%+17.2%0.000%Search for SEC Filing on Google Icon
10/31/2026Ascent Group LLC288$0.39M0.0%+20.5%0.001%Search for SEC Filing on Google Icon
10/30/2026Rakuten Investment Management Inc.20,486$27.78M0.1%+13.6%0.042%Search for SEC Filing on Google Icon
10/30/2026Third View Private Wealth LLC534$0.72M0.1%+107.8%0.001%Search for SEC Filing on Google Icon
10/30/2026Provenance Wealth Advisors LLC126$0.17M0.0%+320.0%0.000%Search for SEC Filing on Google Icon
10/30/2026Integrity Alliance LLC.192$0.26M0.0%N/A0.000%Search for SEC Filing on Google Icon
10/30/2026Stiles Financial Services Inc2,806$3.78M1.0%+0.8%0.006%Search for SEC Filing on Google Icon
10/30/2026IPG Investment Advisors LLC1,485$2M0.3%+24.1%0.003%Search for SEC Filing on Google Icon
10/30/2026Torray Investment Partners LLC4,169$5.62M0.7%+12.2%0.008%Search for SEC Filing on Google Icon
10/30/2026Factory Mutual Insurance Co.38,807$52.28M0.5%+9.4%0.079%Search for SEC Filing on Google Icon
10/30/2026Signature Equity Partners LLC34$46K0.0%+161.5%0.000%Search for SEC Filing on Google Icon
10/30/2026XML Financial LLC645$0.87M0.1%-41.4%0.001%Search for SEC Filing on Google Icon
10/29/2026One Way Holdings LLC21,213$28.58M1.3%+5.6%0.043%Search for SEC Filing on Google Icon
10/29/2026Trek Financial LLC172$0.23M0.0%+10.3%0.000%Search for SEC Filing on Google Icon
10/29/2026Bank Julius Baer & Co. Ltd Zurich33,643$45.40M0.1%+1.0%0.068%Search for SEC Filing on Google Icon
10/29/2026Greenleaf Trust1,060$1.43M0.0%-3.0%0.002%Search for SEC Filing on Google Icon
10/29/2026Sumitomo Mitsui Trust Group Inc.107,388$144.68M0.1%-3.1%0.219%Search for SEC Filing on Google Icon
10/29/2026Mirae Asset Global Investments Co. Ltd.111,087$149.66M0.3%N/A0.226%Search for SEC Filing on Google Icon
10/29/2026Profund Advisors LLC6,191$8.34M0.2%-9.3%0.013%Search for SEC Filing on Google Icon
10/29/2026ProShare Advisors LLC68,320$92.04M0.1%+5.8%0.139%Search for SEC Filing on Google Icon
10/29/2026Vise Technologies Inc.2,587$3.49M0.0%+66.7%0.005%Search for SEC Filing on Google Icon
10/29/2026Moss Adams Wealth Advisors LLC231$0.31M0.0%+6.0%0.000%Search for SEC Filing on Google Icon
10/29/2026Coyle Financial Counsel LLC271$0.37M0.1%-6.6%0.001%Search for SEC Filing on Google Icon
10/29/2026MGO One Seven LLC1,392$1.88M0.0%+4.1%0.003%Search for SEC Filing on Google Icon
10/29/2026Left Brain Wealth Management LLC6,854$9.23M2.9%-8.5%0.014%Search for SEC Filing on Google Icon
10/29/2026Greenup Street Wealth Management LLC3,688$4.97M0.6%+127.1%0.008%Search for SEC Filing on Google Icon
10/28/2026International Assets Investment Management LLC4,038$5.44M0.0%+1,418.0%0.008%Search for SEC Filing on Google Icon
10/28/2026Outlook Wealth Advisors LLC415$0.56M0.1%-4.2%0.001%Search for SEC Filing on Google Icon
10/28/2026Parcion Private Wealth LLC4,721$6.36M0.3%-0.8%0.010%Search for SEC Filing on Google Icon
10/28/2026Partners Wealth Management LLC246$0.33M0.0%N/A0.001%Search for SEC Filing on Google Icon
10/28/2026Soltis Investment Advisors LLC1,293$1.74M0.1%N/A0.003%Search for SEC Filing on Google Icon
10/28/2026Harbour Trust & Investment Management Co5,390$7.26M0.7%+13.5%0.011%Search for SEC Filing on Google Icon
10/28/2026Choreo LLC1,415$1.91M0.0%+14.9%0.003%Search for SEC Filing on Google Icon
10/28/2026Morey & Quinn Wealth Partners LLC730$0.98M0.6%-12.2%0.000%Search for SEC Filing on Google Icon
10/28/2026China Universal Asset Management Co. Ltd.2,196$2.98M0.2%+11.0%0.000%Search for SEC Filing on Google Icon
10/28/2026D.A. Davidson & CO.480$0.65M0.0%-2.0%0.000%Search for SEC Filing on Google Icon
10/28/2026BOKF NA8,015$10.80M0.2%-10.6%0.000%Search for SEC Filing on Google Icon
10/28/2026Motley Fool Asset Management LLC364$0.49M0.0%-90.8%0.000%Search for SEC Filing on Google Icon
10/28/2026North Dakota State Investment Board1,448$1.95M0.1%+5.2%0.000%Search for SEC Filing on Google Icon
10/28/2026VestGen Advisors LLC462$0.62M0.0%-67.8%0.000%Search for SEC Filing on Google Icon
10/28/2026Vantage Investment Partners LLC8,244$11.11M0.7%-0.2%0.000%Search for SEC Filing on Google Icon
10/27/2026BLB&B Advisors LLC1,003$1.35M0.0%-35.1%0.002%Search for SEC Filing on Google Icon
10/27/2026Conning Inc.197$0.27M0.0%-5.7%0.000%Search for SEC Filing on Google Icon
10/27/2026WestEnd Advisors LLC21$28K0.0%+2,000.0%0.000%Search for SEC Filing on Google Icon
10/27/2026Asset Management One Co. Ltd.21,805$29.38M0.1%+1.8%0.044%Search for SEC Filing on Google Icon
10/27/2026John Boyer Inc.68$92K0.1%N/A0.000%Search for SEC Filing on Google Icon
10/27/2026Angeles Wealth Management LLC243$0.33M0.0%-14.7%0.000%Search for SEC Filing on Google Icon
10/26/2026Oppenheimer & Co. Inc.5,418$7.30M0.1%+2.9%0.011%Search for SEC Filing on Google Icon
10/26/2026Park Avenue Securities LLC3,241$4.37M0.0%+2.7%0.007%Search for SEC Filing on Google Icon
10/26/2026Verdence Capital Advisors LLC252$0.34M0.0%-35.7%0.001%Search for SEC Filing on Google Icon
10/26/2026National Wealth Management Group LLC762$1.03M0.3%-6.0%0.002%Search for SEC Filing on Google Icon
10/26/2026Geneva Partners LLC2,421$3.26M1.0%N/A0.005%Search for SEC Filing on Google Icon
10/26/2026Peterson Wealth Services1,454$1.96M0.4%+11.5%0.003%Search for SEC Filing on Google Icon
10/26/2026Leo Wealth LLC168$0.23M0.0%N/A0.000%Search for SEC Filing on Google Icon
10/24/2026Apollon Wealth Management LLC882$1.19M0.0%-19.7%0.002%Search for SEC Filing on Google Icon
10/24/2026EULAV Asset Management19,330$26.04M0.9%-40.8%0.039%Search for SEC Filing on Google Icon
10/24/2026Valley National Advisers Inc.45$60K0.0%-98.1%0.000%Search for SEC Filing on Google Icon
10/23/2026Robeco Schweiz AG89,007$119.91M2.2%-7.3%0.181%Search for SEC Filing on Google Icon
10/23/2026Signaturefd LLC1,125$1.52M0.0%+8.1%0.002%Search for SEC Filing on Google Icon
10/23/2026Citizens Financial Group Inc. RI1,192$1.61M0.0%-0.7%0.002%Search for SEC Filing on Google Icon
10/23/2026Simplicity Wealth LLC706$0.95M0.0%+4.4%0.001%Search for SEC Filing on Google Icon
10/23/2026Sowell Financial Services LLC263$0.36M0.0%-15.7%0.001%Search for SEC Filing on Google Icon
10/23/2026Taylor Frigon Capital Management LLC1,813$2.44M1.2%-1.8%0.004%Search for SEC Filing on Google Icon
10/23/2026Gibbs Wealth Management685$0.92M0.1%+9.1%0.001%Search for SEC Filing on Google Icon
10/23/2026Lantern Wealth Advisors LLC153$0.21M0.1%N/A0.000%Search for SEC Filing on Google Icon
10/23/2026Capital Investment Advisors LLC153$0.21M0.0%-12.6%0.000%Search for SEC Filing on Google Icon
10/23/2026Fifth Third Wealth Advisors LLC497$0.67M0.0%+5.1%0.001%Search for SEC Filing on Google Icon
10/23/2026Sterling Capital Management LLC2,884$3.89M0.1%-34.5%0.006%Search for SEC Filing on Google Icon
10/23/2026Inspire Investing LLC14,264$19.22M0.8%-5.2%0.029%Search for SEC Filing on Google Icon
10/23/2026Carderock Capital Management Inc.9,054$12.20M3.0%-12.1%0.018%Search for SEC Filing on Google Icon
10/22/2026Yousif Capital Management LLC4,634$6.24M0.1%+0.8%0.009%Search for SEC Filing on Google Icon
10/22/2026Boomfish Wealth Group LLC1,722$2.32M1.0%+74.1%0.004%Search for SEC Filing on Google Icon
10/22/2026Brookstone Capital Management1,056$1.42M0.0%-52.1%0.002%Search for SEC Filing on Google Icon
10/22/2026SeaCrest Wealth Management LLC285$0.38M0.0%+10.0%0.001%Search for SEC Filing on Google Icon
10/22/2026Root Financial Partners LLC80$0.11M0.0%N/A0.000%Search for SEC Filing on Google Icon
10/22/2026SBI Securities Co. Ltd.259$0.35M0.0%-29.8%0.001%Search for SEC Filing on Google Icon
10/22/2026Reyes Financial Architecture Inc.81$0.11M0.1%-22.1%0.000%Search for SEC Filing on Google Icon
10/22/2026Oakmont Investment Advisors Inc.325$0.44M0.3%N/A0.001%Search for SEC Filing on Google Icon
10/22/2026Vest Financial LLC17,895$24.11M0.3%-49.0%0.036%Search for SEC Filing on Google Icon
10/21/2026Axxcess Wealth Management LLC301$0.41M0.0%N/A0.001%Search for SEC Filing on Google Icon
10/21/2026Crossmark Global Holdings Inc.2,236$3.01M0.0%-3.3%0.005%Search for SEC Filing on Google Icon
10/21/2026Sowell Financial Services LLC263$0.36M0.0%-15.7%0.001%Search for SEC Filing on Google Icon
10/21/2026Quadrant Capital Group LLC1,379$1.82M0.0%-14.8%0.003%Search for SEC Filing on Google Icon
10/21/2026Pinnacle Associates Ltd.258$0.35M0.0%+4.0%0.001%Search for SEC Filing on Google Icon
10/21/2026Nisa Investment Advisors LLC15,136$20.42M0.1%-4.4%0.031%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Monolithic Power Systems logo
Monolithic Power Systems, Inc. engages in the design, development, marketing, and sale of semiconductor-based power electronics solutions for the storage and computing, automotive, enterprise data, consumer, communications, and industrial markets. The company provides direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltages of various electronic systems, such as cloud-based CPU servers, server artificial intelligence applications, storage applications, commercial notebooks, digital cockpit, power sources, home appliances, 4G and 5G infrastructure, and satellite communications applications. It offers lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in computers and notebooks, monitors, car navigation systems, and televisions, as well as for general illumination products. The company sells its products through third-party distributors, value-added resellers, directly to original equipment manufacturers, original design manufacturers, electronic manufacturing service providers, and other end customers. It serves China, Taiwan, South Korea, Europe, Japan, Southeast Asia, the United States, and internationally. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.
Read More on Monolithic Power Systems

Today's Range

Now: $1,342.80
Low: $1,275.75
High: $1,363.36

50 Day Range

MA: $1,273.25
Low: $1,140.12
High: $1,479.89

52 Week Range

Now: $1,342.80
Low: $833.18
High: $1,714.09

Volume

516,789 shs

Average Volume

741,139 shs

Market Capitalization

$65.99 billion

P/E Ratio

74.13

Dividend Yield

0.66%

Beta

1.68

Who are the company insiders with the largest holdings of Monolithic Power Systems?

Monolithic Power Systems' top insider shareholders include:
  1. Michael Hsing (CEO)
  2. James Moyer (Director)
  3. James C Moyer (Director)
  4. Maurice Sciammas (VP)
  5. Deming Xiao (Insider)
  6. Saria Tseng (VP)
  7. Meera Rao (CFO)
  8. James C Moyer (Director)
  9. Deming Xiao (EVP)
  10. Saria Tseng (EVP)
Learn More about top insider investors at Monolithic Power Systems.

Who are the major institutional investors of Monolithic Power Systems?

Monolithic Power Systems' top institutional shareholders include:
  1. Mirae Asset Global Investments Co. Ltd. — 0.23%
  2. Sumitomo Mitsui Trust Group Inc. — 0.22%
  3. Robeco Schweiz AG — 0.18%
  4. Zevenbergen Capital Investments LLC — 0.15%
  5. Congress Asset Management Co. — 0.15%
  6. ProShare Advisors LLC — 0.14%
Learn More about top institutional investors of Monolithic Power Systems stock.

Which institutional investors are selling Monolithic Power Systems stock?

Within the previous quarter, MPWR stock was sold by these institutional investors:
  1. Vest Financial LLC
  2. Sapient Capital LLC
  3. EULAV Asset Management
  4. Robeco Schweiz AG
  5. Congress Asset Management Co.
  6. Park National Corp OH
  7. Vontobel Holding Ltd.
  8. Zevenbergen Capital Investments LLC
Within the previous year, company insiders that have sold Monolithic Power Systems company stock include:
  1. Deming Xiao (EVP)
  2. Saria Tseng (EVP)
  3. Maurice Sciammas (EVP)
  4. Theodore Blegen (CFO)
  5. Victor K Lee (Director)
  6. Eugen J Elmiger (Director)
  7. Jeff Zhou (Director)
  8. Eileen Wynne (Director)
  9. Kuo Wei Herbert Chang (Director)
Learn More investors selling Monolithic Power Systems stock.

Which institutional investors are buying Monolithic Power Systems stock?

In the previous quarter, MPWR stock was purchased by institutional investors including:
  1. Mirae Asset Global Investments Co. Ltd.
  2. Commonwealth Equity Services LLC
  3. International Assets Investment Management LLC
  4. ProShare Advisors LLC
  5. Factory Mutual Insurance Co.
  6. Rakuten Investment Management Inc.
  7. Geneva Partners LLC
  8. Greenup Street Wealth Management LLC

Monolithic Power Systems Active Insiders

Michael Hsing
Michael Hsing (Age 66)
Founder, Chairman, President & CEO
Theodore Blegen
Theodore Blegen (Age 67)
CFO
Jeff Zhou
Jeff Zhou
Director
3 recent trades
James C. Moyer
Director
Kuo Wei Herbert Chang
Director
2 recent trades
Victor K Lee
Victor K Lee
Director
Carintia Martinez
Director
Eugen J Elmiger
Eugen J Elmiger
Director
1 recent trades
Eileen Wynne
Eileen Wynne
Director
1 recent trades
Saria Tseng (Age 55)
VP
2 recent trades
Maurice Sciammas (Age 65)
VP
6 recent trades
Deming Xiao (Age 63)
Insider
1 recent trades