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MPWR Insider Trading

Insider Ownership Percentage: 3.40%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $157,108,040.36

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: $1,136.83
Price Change: ▼ Price Decrease of -28 (-2.40%)
As of 02/4/2026 05:00 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
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  
10/2/2023Maurice SciammasVPSell4,305$458.30$1,972,981.50184,059View SEC Filing Icon  
10/2/2023Michael HsingCEOSell10,960$458.30$5,022,968.001,003,006View SEC Filing Icon  
10/2/2023Theodore BlegenCFOSell905$458.30$414,761.50121,440View SEC Filing Icon  
8/29/2023Kuo Wei Herbert ChangDirectorSell500$500.00$250,000.001,793View SEC Filing Icon  
8/8/2023Maurice SciammasVPSell874$530.26$463,447.24188,339View SEC Filing Icon  
8/8/2023Michael HsingCEOSell2,836$530.26$1,503,817.361,013,951View SEC Filing Icon  
8/8/2023Theodore BlegenCFOSell724$530.28$383,922.72122,345View SEC Filing Icon  
8/4/2023Michael HsingCEOSell3,815$526.54$2,008,750.101,016,787View SEC Filing Icon  
8/4/2023Saria TsengVPSell988$526.52$520,201.76258,497View SEC Filing Icon  
8/4/2023Theodore BlegenCFOSell852$526.52$448,595.04123,069View SEC Filing Icon  
7/21/2023Deming XiaoInsiderSell9,615$534.23$5,136,621.45258,632View SEC Filing Icon  
7/21/2023Maurice SciammasVPSell9,843$534.23$5,258,425.89190,201View SEC Filing Icon  
7/21/2023Michael HsingCEOSell28,845$534.23$15,409,864.351,020,602View SEC Filing Icon  
7/21/2023Theodore BlegenCFOSell7,575$534.23$4,046,792.25123,921View SEC Filing Icon  
7/3/2023Deming XiaoInsiderSell4,305$537.79$2,315,185.95268,247View SEC Filing Icon  
7/3/2023Michael HsingCEOSell10,960$537.79$5,894,178.401,049,447View SEC Filing Icon  
7/3/2023Theodore BlegenCFOSell905$537.79$486,699.95131,496View SEC Filing Icon  
5/9/2023Maurice SciammasVPSell857$409.78$351,181.46204,349View SEC Filing Icon  
5/9/2023Michael HsingCEOSell2,785$409.78$1,141,237.301,060,407View SEC Filing Icon  
5/9/2023Theodore BlegenCFOSell711$409.78$291,353.58132,401View SEC Filing Icon  
5/4/2023Deming XiaoInsiderSell991$459.60$455,463.60273,409View SEC Filing Icon  
5/3/2023Michael HsingCEOSell11,242$463.55$5,211,229.101,067,017View SEC Filing Icon  
5/3/2023Saria TsengVPSell3,462$463.55$1,604,810.10275,253View SEC Filing Icon  
5/3/2023Theodore BlegenCFOSell2,870$463.55$1,330,388.50133,966View SEC Filing Icon  
4/3/2023Michael HsingCEOSell11,100$487.99$5,416,689.001,050,049View SEC Filing Icon  
4/3/2023Saria TsengVPSell4,360$487.99$2,127,636.40270,030View SEC Filing Icon  
4/3/2023Theodore BlegenCFOSell920$487.99$448,950.80131,122View SEC Filing Icon  
2/15/2023Deming XiaoInsiderSell1,497$530.00$793,410.00273,537View SEC Filing Icon  
2/15/2023Maurice SciammasVPSell13,000$519.54$6,754,020.00205,334View SEC Filing Icon  
2/13/2023Maurice SciammasVPSell1,639$492.31$806,896.09218,312View SEC Filing Icon  
2/13/2023Michael HsingCEOSell6,333$492.31$3,117,799.231,061,116View SEC Filing Icon  
2/13/2023Theodore BlegenCFOSell1,373$492.31$675,941.63136,995View SEC Filing Icon  
2/9/2023Deming XiaoInsiderSell2,129$520.00$1,107,080.00276,643View SEC Filing Icon  
2/8/2023Maurice SciammasVPSell6,922$462.41$3,200,802.02219,951View SEC Filing Icon  
2/8/2023Michael HsingCEOSell22,483$462.41$10,396,364.031,067,449View SEC Filing Icon  
2/8/2023Theodore BlegenCFOSell5,684$462.41$2,628,338.44138,368View SEC Filing Icon  
2/6/2023Deming XiaoInsiderSell723$446.88$323,094.24250,954View SEC Filing Icon  
2/6/2023Michael HsingCEOSell3,691$446.88$1,649,434.08977,093View SEC Filing Icon  
2/6/2023Theodore BlegenCFOSell608$446.87$271,696.96121,195View 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
2/4/2026Catalyst Financial Partners LLC235$0.21M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/4/2026Ameritas Advisory Services LLC233$0.21M0.0%+1,009.5%0.000%Search for SEC Filing on Google Icon
2/4/2026World Investment Advisors3,787$3.39M0.1%-3.5%0.008%Search for SEC Filing on Google Icon
2/4/2026VIRGINIA RETIREMENT SYSTEMS ET Al1,260$1.14M0.0%-73.2%0.003%Search for SEC Filing on Google Icon
2/4/2026Hartford Investment Management Co.2,766$2.51M0.1%-1.3%0.006%Search for SEC Filing on Google Icon
2/4/2026HighPoint Advisor Group LLC1,145$1.04M0.0%-15.1%0.002%Search for SEC Filing on Google Icon
2/4/2026First National Advisers LLC3,091$2.80M0.4%+0.9%0.006%Search for SEC Filing on Google Icon
2/4/2026Pier 88 Investment Partners LLC1,350$1.22M0.3%-76.6%0.003%Search for SEC Filing on Google Icon
2/4/2026AG2R LA Mondiale Gestion D Actifs2,059$1.87M0.1%+4.3%0.004%Search for SEC Filing on Google Icon
2/4/2026Mirabaud Asset Management Ltd4,881$4.42M2.1%N/A0.010%Search for SEC Filing on Google Icon
2/4/2026Valeo Financial Advisors LLC691$0.63M0.0%+3.0%0.001%Search for SEC Filing on Google Icon
2/4/2026Swiss Life Asset Management Ltd28,804$26.11M0.1%-10.8%0.060%Search for SEC Filing on Google Icon
2/4/2026Securian Asset Management Inc.1,329$1.21M0.0%-42.5%0.003%Search for SEC Filing on Google Icon
2/4/2026Advisor OS LLC919$0.83M0.1%-17.4%0.002%Search for SEC Filing on Google Icon
2/4/2026Dogwood Wealth Management LLC632$0.57M0.3%-33.5%0.001%Search for SEC Filing on Google Icon
2/4/2026Plato Investment Management Ltd1,037$0.94M0.1%-26.2%0.002%Search for SEC Filing on Google Icon
2/4/2026Midwest Trust Co7,206$6.53M0.1%+1.1%0.015%Search for SEC Filing on Google Icon
2/3/2026EWA LLC350$0.32M0.1%+5.1%0.001%Search for SEC Filing on Google Icon
2/3/2026NewEdge Wealth LLC17,896$16.22M0.2%+5.7%0.037%Search for SEC Filing on Google Icon
2/3/2026Stiles Financial Services Inc2,777$2.52M0.8%+3.3%0.006%Search for SEC Filing on Google Icon
2/3/2026Crossmark Global Holdings Inc.1,723$1.56M0.0%-59.9%0.004%Search for SEC Filing on Google Icon
2/3/2026Ethic Inc.6,592$5.98M0.1%+12.5%0.014%Search for SEC Filing on Google Icon
2/3/2026Ballentine Partners LLC567$0.51M0.0%+2.2%0.001%Search for SEC Filing on Google Icon
2/3/2026Pier Capital LLC466$0.42M0.1%-12.7%0.001%Search for SEC Filing on Google Icon
2/3/2026ASR Vermogensbeheer N.V.4,389$3.98M0.0%-0.9%0.009%Search for SEC Filing on Google Icon
2/3/2026MGO One Seven LLC1,393$1.26M0.0%+65.4%0.003%Search for SEC Filing on Google Icon
2/3/2026Crestwood Advisors Group LLC509$0.46M0.0%+10.2%0.001%Search for SEC Filing on Google Icon
2/3/2026Sequoia Financial Advisors LLC2,688$2.44M0.0%+11.5%0.006%Search for SEC Filing on Google Icon
2/3/2026Gateway Investment Advisers LLC336$0.31M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/3/2026Robeco Schweiz AG95,018$86.12M1.9%-8.0%0.198%Search for SEC Filing on Google Icon
2/3/2026S Bank Fund Management Ltd376$0.34M0.0%-4.6%0.001%Search for SEC Filing on Google Icon
2/3/2026RFG Advisory LLC2,374$2.15M0.0%-14.9%0.005%Search for SEC Filing on Google Icon
2/3/2026Stevens Capital Management LP928$0.84M0.3%+38.9%0.002%Search for SEC Filing on Google Icon
2/3/2026Swedbank AB37,394$33.89M0.0%-5.2%0.078%Search for SEC Filing on Google Icon
2/3/2026Mitsubishi UFJ Asset Management Co. Ltd.118,703$111.14M0.1%+5.7%0.248%Search for SEC Filing on Google Icon
2/3/2026BOKF NA9,288$8.42M0.1%-26.5%0.019%Search for SEC Filing on Google Icon
2/3/2026Sumitomo Mitsui DS Asset Management Company Ltd6,168$5.59M0.0%+1.4%0.013%Search for SEC Filing on Google Icon
2/3/2026SBI Securities Co. Ltd.312$0.28M0.0%+23.8%0.001%Search for SEC Filing on Google Icon
2/2/2026Alliance Wealth Advisors LLC UT236$0.21M0.0%-46.1%0.000%Search for SEC Filing on Google Icon
2/2/2026Principal Financial Group Inc.167,265$151.60M0.1%-1.4%0.349%Search for SEC Filing on Google Icon
2/2/2026QRG Capital Management Inc.6,875$6.23M0.1%+11.0%0.014%Search for SEC Filing on Google Icon
2/2/2026Triasima Portfolio Management inc.3,697$3.35M0.5%+26.2%0.008%Search for SEC Filing on Google Icon
2/2/2026Truist Financial Corp5,335$4.84M0.0%-7.7%0.011%Search for SEC Filing on Google Icon
2/2/2026KPP Advisory Services LLC1,131$1.03M0.1%+11.6%0.002%Search for SEC Filing on Google Icon
2/2/2026Montag A & Associates Inc.130$0.12M0.0%-31.2%0.000%Search for SEC Filing on Google Icon
2/2/2026PKO Investment Management Joint Stock Co1,500$1.36M0.1%N/A0.003%Search for SEC Filing on Google Icon
2/2/2026Benjamin Edwards Inc.7,772$7.04M0.1%N/A0.016%Search for SEC Filing on Google Icon
2/2/2026Composition Wealth LLC285$0.26M0.0%+15.9%0.001%Search for SEC Filing on Google Icon
2/2/2026PFA Pension Forsikringsaktieselskab31,314$28.93M0.1%N/A0.065%Search for SEC Filing on Google Icon
2/2/2026Horizon Investments LLC1,566$1.42M0.0%-8.2%0.003%Search for SEC Filing on Google Icon
2/2/2026Summit Place Financial Advisors LLC1,294$1.17M0.6%-8.0%0.003%Search for SEC Filing on Google Icon
2/2/2026Fifth Third Bancorp16,824$15.25M0.0%+12.6%0.035%Search for SEC Filing on Google Icon
2/2/2026Danske Bank A S24,417$22.13M0.1%-28.3%0.051%Search for SEC Filing on Google Icon
2/2/2026Mutual Advisors LLC520$0.47M0.0%+33.3%0.001%Search for SEC Filing on Google Icon
2/2/2026Oppenheimer & Co. Inc.6,839$6.20M0.1%-2.4%0.014%Search for SEC Filing on Google Icon
2/2/2026Oppenheimer Asset Management Inc.1,884$1.71M0.0%-7.5%0.004%Search for SEC Filing on Google Icon
1/30/2026Citizens Financial Group Inc. RI1,024$0.93M0.0%+3.0%0.002%Search for SEC Filing on Google Icon
1/30/2026New York State Teachers Retirement System39,794$36.07M0.1%-0.5%0.083%Search for SEC Filing on Google Icon
1/30/2026Jennison Associates LLC61,828$56.04M0.0%+14.6%0.129%Search for SEC Filing on Google Icon
1/30/2026State of New Jersey Common Pension Fund D16,288$14.76M0.1%-2.3%0.034%Search for SEC Filing on Google Icon
1/30/2026US Bancorp DE12,045$10.92M0.0%+2.5%0.025%Search for SEC Filing on Google Icon
1/30/2026Shaker Investments LLC OH837$0.76M0.3%-2.3%0.002%Search for SEC Filing on Google Icon
1/30/2026Simplicity Wealth LLC271$0.25M0.0%+11.5%0.001%Search for SEC Filing on Google Icon
1/30/2026Keybank National Association OH1,771$1.61M0.0%+1.3%0.004%Search for SEC Filing on Google Icon
1/30/2026Vest Financial LLC66,613$60.38M0.8%+35.2%0.139%Search for SEC Filing on Google Icon
1/30/2026CFC Planning Co LLC1,006$0.91M0.7%N/A0.002%Search for SEC Filing on Google Icon
1/30/2026Wealthfront Advisers LLC7,673$6.95M0.0%+38.2%0.016%Search for SEC Filing on Google Icon
1/30/2026Values First Advisors Inc.3,277$2.97M1.5%-2.4%0.007%Search for SEC Filing on Google Icon
1/30/2026Certuity LLC1,474$1.34M0.1%+365.0%0.003%Search for SEC Filing on Google Icon
1/30/2026Torren Management LLC54$49K0.0%N/A0.000%Search for SEC Filing on Google Icon
1/30/2026Mitsubishi UFJ Trust & Banking Corp29,599$26.83M0.1%+8.2%0.062%Search for SEC Filing on Google Icon
1/30/2026M&T Bank Corp2,752$2.49M0.0%+23.7%0.006%Search for SEC Filing on Google Icon
1/29/2026Comerica Bank7,317$6.63M0.0%-32.9%0.015%Search for SEC Filing on Google Icon
1/29/2026Ashton Thomas Private Wealth LLC234$0.21M0.0%N/A0.000%Search for SEC Filing on Google Icon
1/29/2026First National Bank of Hutchinson948$0.86M0.5%+1.2%0.002%Search for SEC Filing on Google Icon
1/29/2026RMR Wealth Builders958$0.87M0.1%-4.6%0.002%Search for SEC Filing on Google Icon
1/29/2026New Hampshire Trust347$0.32M0.1%-8.4%0.001%Search for SEC Filing on Google Icon
1/29/2026D.A. Davidson & CO.554$0.50M0.0%-2.5%0.001%Search for SEC Filing on Google Icon
1/29/2026Kestra Private Wealth Services LLC574$0.52M0.0%-50.1%0.001%Search for SEC Filing on Google Icon
1/29/2026Pictet Asset Management Holding SA153,003$138.69M0.1%-3.0%0.319%Search for SEC Filing on Google Icon
1/29/2026State of Michigan Retirement System13,770$12.48M0.1%-2.1%0.029%Search for SEC Filing on Google Icon
1/29/2026Inscription Capital LLC989$0.90M0.1%-2.7%0.002%Search for SEC Filing on Google Icon
1/29/2026Verdence Capital Advisors LLC686$0.62M0.0%+2.7%0.001%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG438,985$397.88M0.1%-16.9%0.916%Search for SEC Filing on Google Icon
1/29/2026Sanctuary Advisors LLC17,064$15.47M0.1%-6.0%0.036%Search for SEC Filing on Google Icon
1/29/2026Vanguard Group Inc.6,034,394$5.47B0.1%-0.7%12.595%Search for SEC Filing on Google Icon
1/29/2026Impax Asset Management Group plc106,238$96.29M0.6%-19.1%0.222%Search for SEC Filing on Google Icon
1/29/2026Resonant Capital Advisors LLC253$0.23M0.0%+4.1%0.001%Search for SEC Filing on Google Icon
1/29/2026Concurrent Investment Advisors LLC1,033$0.94M0.0%+74.8%0.002%Search for SEC Filing on Google Icon
1/29/2026Generali Investments Management Co LLC256$0.23M0.0%-88.2%0.001%Search for SEC Filing on Google Icon
1/29/2026Calamos Advisors LLC2,890$2.62M0.0%-7.3%0.006%Search for SEC Filing on Google Icon
1/29/2026China Universal Asset Management Co. Ltd.1,356$1.23M0.1%N/A0.003%Search for SEC Filing on Google Icon
1/29/2026Rakuten Securities Inc.58$53K0.0%+176.2%0.000%Search for SEC Filing on Google Icon
1/29/2026Copeland Capital Management LLC19,154$17.36M0.4%-5.7%0.040%Search for SEC Filing on Google Icon
1/28/2026Arizona State Retirement System13,128$11.90M0.1%-7.0%0.027%Search for SEC Filing on Google Icon
1/28/2026Diversified Enterprises LLC243$0.22M0.0%N/A0.001%Search for SEC Filing on Google Icon
1/28/2026WPG Advisers LLC59$53K0.0%+43.9%0.000%Search for SEC Filing on Google Icon
1/28/2026Chicago Partners Investment Group LLC528$0.48M0.0%-5.4%0.001%Search for SEC Filing on Google Icon
1/28/2026Turtle Creek Wealth Advisors LLC329$0.30M0.0%-3.5%0.001%Search for SEC Filing on Google Icon
1/28/2026Torray Investment Partners LLC4,249$3.85M0.6%+7.4%0.009%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: $1,136.83
Low: $1,109.00
High: $1,226.30

50 Day Range

MA: $993.76
Low: $906.36
High: $1,183.15

52 Week Range

Now: $1,136.83
Low: $438.86
High: $1,226.30

Volume

1,262,743 shs

Average Volume

558,867 shs

Market Capitalization

$54.47 billion

P/E Ratio

29.03

Dividend Yield

0.54%

Beta

1.45

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. Deming Xiao (Insider)
  3. Deming Xiao (EVP)
  4. Saria Tseng (EVP)
  5. Maurice Sciammas (EVP)
  6. Theodore Blegen (CFO)
  7. Victor K Lee (Director)
  8. Jeff Zhou (Director)
  9. Kuo Wei Herbert Chang (Director)
  10. Carintia Martinez (Director)
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. Vanguard Group Inc. — 12.60%
  2. Massachusetts Financial Services Co. MA — 1.19%
  3. UBS Group AG — 0.92%
  4. SG Americas Securities LLC — 0.55%
  5. Vaughan Nelson Investment Management L.P. — 0.54%
  6. Principal Financial Group Inc. — 0.35%
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. UBS Group AG
  2. Vanguard Group Inc.
  3. Impax Asset Management Group plc
  4. Allspring Global Investments Holdings LLC
  5. Congress Asset Management Co.
  6. Vaughan Nelson Investment Management L.P.
  7. Danske Bank A S
  8. Robeco Schweiz AG
Within the previous year, company insiders that have sold Monolithic Power Systems company stock include:
  1. Michael Hsing (CEO)
  2. Deming Xiao (Insider)
  3. Deming Xiao (EVP)
  4. Saria Tseng (EVP)
  5. Maurice Sciammas (EVP)
  6. Theodore Blegen (CFO)
  7. Victor K Lee (Director)
  8. Jeff Zhou (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. SG Americas Securities LLC
  2. PFA Pension Forsikringsaktieselskab
  3. Mirae Asset Global Investments Co. Ltd.
  4. Zurcher Kantonalbank Zurich Cantonalbank
  5. Vest Financial LLC
  6. Massachusetts Financial Services Co. MA
  7. FNY Investment Advisers LLC
  8. M&T Bank Corp