MPWR Insider Trading

Insider Ownership Percentage: 3.60%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $411,058,502.56

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.

Skip ChartChart Data in Insider Trading History Table

Monolithic Power Systems Share Price & Price History

Current Price: $1,563.70
Price Change: +0.30 (1.20%)
As of 06/18/2026 04:00 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
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  
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  
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
6/18/2026Pacer Advisors Inc.38,807$42.43M0.1%-23.4%0.079%Search for SEC Filing on Google Icon
6/15/2026Lombard Odier Asset Management Europe Ltd13,083$14.30M0.1%-4.2%0.027%Search for SEC Filing on Google Icon
6/9/2026Rathbones Group PLC4,929$5.39M0.0%-10.9%0.010%Search for SEC Filing on Google Icon
6/3/2026Parallel Advisors LLC577$0.63M0.0%+12.9%0.001%Search for SEC Filing on Google Icon
6/3/2026NewEdge Advisors LLC5,197$5.68M0.0%-48.8%0.011%Search for SEC Filing on Google Icon
6/2/2026Optiver Holding B.V.89$97K0.0%N/A0.000%Search for SEC Filing on Google Icon
6/1/2026Keel Point LLC243$0.27M0.0%-27.7%0.000%Search for SEC Filing on Google Icon
5/26/2026Glenmede Trust Co. NA20,651$22.58M0.1%-0.7%0.042%Search for SEC Filing on Google Icon
5/22/2026Groupama Asset Managment1,742$1.91M0.0%+5.1%0.004%Search for SEC Filing on Google Icon
5/22/2026Segall Bryant & Hamill LLC26,061$28.49M0.4%-13.1%0.053%Search for SEC Filing on Google Icon
5/22/2026Wellington Grp LLC481$0.53M0.2%N/A0.001%Search for SEC Filing on Google Icon
5/21/2026GKV Capital Management Co. Inc.2,940$3.21M1.2%+1.0%0.006%Search for SEC Filing on Google Icon
5/21/2026Argent Capital Management LLC6,521$7.13M0.2%+54.9%0.013%Search for SEC Filing on Google Icon
5/21/2026Essential Partners LLC43$47K0.0%+30.3%0.000%Search for SEC Filing on Google Icon
5/21/2026BankChampaign National Association192$0.21M0.2%N/A0.000%Search for SEC Filing on Google Icon
5/21/2026Groupe la Francaise3,992$4.37M0.1%-30.7%0.008%Search for SEC Filing on Google Icon
5/20/2026CCM Investment Advisers LLC7,586$8.29M0.8%+7.4%0.015%Search for SEC Filing on Google Icon
5/20/2026Liontrust Investment Partners LLP71,266$77.92M1.1%+29.7%0.145%Search for SEC Filing on Google Icon
5/20/2026Arete Wealth Advisors LLC27,527$30.10M1.8%N/A0.056%Search for SEC Filing on Google Icon
5/19/2026Western Wealth Management LLC61$67K0.0%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Winnow Wealth LLC947$1.04M0.8%-7.0%0.002%Search for SEC Filing on Google Icon
5/19/2026Royal Fund Management LLC264$0.29M0.0%+2.7%0.001%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE382,162$417.84M0.0%-30.5%0.778%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC7,374$8.06M0.0%+1.8%0.015%Search for SEC Filing on Google Icon
5/19/2026Cim LLC1,871$2.05M0.3%-3.5%0.004%Search for SEC Filing on Google Icon
5/19/2026Arkadios Wealth Advisors728$0.80M0.0%-5.1%0.001%Search for SEC Filing on Google Icon
5/19/2026Arete Wealth Advisors LLC27,527$30.10M2.1%N/A0.056%Search for SEC Filing on Google Icon
5/18/2026Sunbelt Securities Inc.40$44K0.0%+233.3%0.000%Search for SEC Filing on Google Icon
5/18/2026Amundi158,907$173.73M0.0%+22.7%0.323%Search for SEC Filing on Google Icon
5/18/2026EverSource Wealth Advisors LLC734$0.80M0.0%-2.0%0.001%Search for SEC Filing on Google Icon
5/18/2026Talon Private Wealth LLC585$0.64M0.1%N/A0.001%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System72,363$79.12M0.1%-2.3%0.147%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada473,368$517.56M0.1%+168.1%0.964%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC34,093$37.28M0.2%+338.5%0.069%Search for SEC Filing on Google Icon
5/16/2026American Capital Management Inc.6,320$6.91M0.4%-2.6%0.013%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company 49,654$54.29M0.0%-7.8%0.101%Search for SEC Filing on Google Icon
5/16/2026KCM Investment Advisors LLC467$0.51M0.0%+2.2%0.001%Search for SEC Filing on Google Icon
5/16/2026Excelsior Advisor Network LLC440$0.48M0.2%+20.9%0.001%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP72,771$79.56M0.1%+22.2%0.148%Search for SEC Filing on Google Icon
5/16/2026Clough Capital Partners L P1,457$1.59M0.2%N/A0.003%Search for SEC Filing on Google Icon
5/16/2026Lazard Asset Management LLC4,210$4.60M0.0%-82.3%0.009%Search for SEC Filing on Google Icon
5/15/2026OMERS ADMINISTRATION Corp4,249$4.65M0.0%+110.9%0.009%Search for SEC Filing on Google Icon
5/15/2026Lombard Odier Asset Management Switzerland SA2,213$2.42M0.1%N/A0.005%Search for SEC Filing on Google Icon
5/15/2026Lombard Odier Asset Management Europe Ltd13,083$14.30M0.8%-4.2%0.027%Search for SEC Filing on Google Icon
5/15/2026Waverly Advisors LLC1,445$1.58M0.0%-0.5%0.003%Search for SEC Filing on Google Icon
5/15/2026Wealth Alliance LLC198$0.22M0.0%N/A0.000%Search for SEC Filing on Google Icon
5/14/2026Healthcare of Ontario Pension Plan Trust Fund135,938$148.63M0.2%-33.0%0.277%Search for SEC Filing on Google Icon
5/14/2026Dai ichi Life Insurance Company Ltd1,741$1.90M0.1%+7.1%0.004%Search for SEC Filing on Google Icon
5/14/2026Morningstar Investment Management LLC2,252$2.46M0.2%+343.3%0.005%Search for SEC Filing on Google Icon
5/14/2026Public Employees Retirement System of Ohio21,147$23.12M0.1%-4.4%0.043%Search for SEC Filing on Google Icon
5/14/2026Compound Planning Inc.753$0.82M0.0%+48.2%0.002%Search for SEC Filing on Google Icon
5/14/2026Modern Wealth Management LLC3,105$3.48M0.1%-2.2%0.006%Search for SEC Filing on Google Icon
5/14/2026Mizuho Markets Americas LLC355$0.39M0.0%N/A0.001%Search for SEC Filing on Google Icon
5/14/2026Bank of Nova Scotia6,275$6.86M0.0%-84.5%0.013%Search for SEC Filing on Google Icon
5/14/2026Gibbs Wealth Management1,058$1.16M0.2%+16.3%0.002%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.155,291$169.79M0.2%-6.8%0.316%Search for SEC Filing on Google Icon
5/14/2026Lido Advisors LLC1,209$1.33M0.0%-37.6%0.002%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers13,952$15.25M0.0%+9.1%0.028%Search for SEC Filing on Google Icon
5/13/2026NewEdge Wealth LLC33,727$36.88M0.4%+88.5%0.069%Search for SEC Filing on Google Icon
5/13/2026Wiregrass Investment Management LLC624$0.68M0.6%+3.0%0.001%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP591,353$646.56M0.5%-15.7%1.204%Search for SEC Filing on Google Icon
5/12/2026Westpac Banking Corp1,316$1.44M0.1%+10.7%0.003%Search for SEC Filing on Google Icon
5/12/2026Saturna Capital Corp6,563$7.18M0.1%-3.2%0.013%Search for SEC Filing on Google Icon
5/12/2026Bellwether Advisors LLC1,425$1.56M0.3%N/A0.003%Search for SEC Filing on Google Icon
5/12/2026ABN Amro Investment Solutions2,274$2.49M0.0%+1.9%0.005%Search for SEC Filing on Google Icon
5/8/2026PNC Financial Services Group Inc.14,172$15.50M0.0%+6.5%0.029%Search for SEC Filing on Google Icon
5/8/2026Baader Bank Aktiengesellschaft1,145$1.25M0.1%+48.3%0.002%Search for SEC Filing on Google Icon
5/8/2026Burling Wealth Partners LLC2,165$2.37M0.4%N/A0.004%Search for SEC Filing on Google Icon
5/8/2026Andra AP fonden335$0.37M0.0%-93.7%0.001%Search for SEC Filing on Google Icon
5/8/2026Wilkerson Advisory Group LLC147$0.16M0.1%-45.6%0.000%Search for SEC Filing on Google Icon
5/8/2026Johnson Financial Group Inc.321$0.35M0.0%+11.8%0.001%Search for SEC Filing on Google Icon
5/8/2026Commerzbank Aktiengesellschaft FI2,344$2.56M0.1%+610.3%0.005%Search for SEC Filing on Google Icon
5/7/2026AlTi Global Inc.195$0.21M0.0%-22.6%0.000%Search for SEC Filing on Google Icon
5/7/2026Meeder Asset Management Inc.86$94K0.0%-99.4%0.000%Search for SEC Filing on Google Icon
5/7/2026Meeder Advisory Services Inc.1,447$1.58M0.1%+12.9%0.003%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP153,767$168.06M0.0%+1.8%0.313%Search for SEC Filing on Google Icon
5/7/2026Balefire LLC200$0.22M0.0%N/A0.000%Search for SEC Filing on Google Icon
5/7/2026Parallel Advisors LLC577$0.63M0.0%+12.9%0.001%Search for SEC Filing on Google Icon
5/7/2026KBC Group NV17,820$19.48M0.0%+41.1%0.036%Search for SEC Filing on Google Icon
5/7/2026SEB Asset Management AB27,291$29.84M0.1%N/A0.056%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank140,540$153.66M0.1%+7.1%0.286%Search for SEC Filing on Google Icon
5/7/2026AIA Group Ltd650$0.71M0.0%-32.2%0.001%Search for SEC Filing on Google Icon
5/7/2026Mediolanum International Funds Ltd19,930$19.98M0.2%-10.7%0.041%Search for SEC Filing on Google Icon
5/6/2026Jennison Associates LLC49,394$54.01M0.0%-20.1%0.101%Search for SEC Filing on Google Icon
5/6/2026California Public Employees Retirement System159,658$174.56M0.1%+88.2%0.325%Search for SEC Filing on Google Icon
5/6/2026Quadrant Private Wealth Management LLC183$0.20M0.0%N/A0.000%Search for SEC Filing on Google Icon
5/6/2026Heartland Bank & Trust Co578$0.63M0.1%+3.2%0.001%Search for SEC Filing on Google Icon
5/6/2026Kera Capital Partners Inc.431$0.47M0.1%-3.8%0.001%Search for SEC Filing on Google Icon
5/6/2026Copeland Capital Management LLC15,755$17.23M0.4%-17.7%0.032%Search for SEC Filing on Google Icon
5/6/2026Catalyst Capital Advisors LLC2,215$2.42M0.0%+23.1%0.005%Search for SEC Filing on Google Icon
5/6/2026Forty three Eighteen Advisors LLC1,499$1.64M1.2%+4.6%0.003%Search for SEC Filing on Google Icon
5/6/2026Gallacher Capital Management LLC265$0.29M0.1%N/A0.001%Search for SEC Filing on Google Icon
5/6/2026Angeles Wealth Management LLC258$0.28M0.0%N/A0.001%Search for SEC Filing on Google Icon
5/6/2026Bauman Advisory Group LLC377$0.41M0.3%N/A0.001%Search for SEC Filing on Google Icon
5/6/2026Bessemer Group Inc.1,018$1.11M0.0%+9.2%0.002%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC118,806$133.01M0.2%-22.5%0.242%Search for SEC Filing on Google Icon
5/6/2026Independent Financial Group LLC762$0.83M0.0%N/A0.002%Search for SEC Filing on Google Icon
5/6/2026Gaddis Premier Wealth Advisors LLC742$0.81M0.6%N/A0.002%Search for SEC Filing on Google Icon
5/6/2026Aware Super Pty Ltd as trustee of Aware Super5,996$6.56M0.1%N/A0.012%Search for SEC Filing on Google Icon
5/5/2026Westover Capital Advisors LLC1,558$1.70M0.3%+10.9%0.003%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: $1,563.70
Low: $1,515.62
High: $1,581.04

50 Day Range

MA: $1,546.37
Low: $1,334.21
High: $1,689.89

52 Week Range

Now: $1,563.70
Low: $671.18
High: $1,714.09

Volume

1,935,106 shs

Average Volume

825,470 shs

Market Capitalization

$76.82 billion

P/E Ratio

112.74

Dividend Yield

0.55%

Beta

1.69

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. First Trust Advisors LP — 1.20%
  2. Royal Bank of Canada — 0.96%
  3. Bank of America Corp DE — 0.78%
  4. Bank of New York Mellon Corp — 0.59%
  5. SG Americas Securities LLC — 0.37%
  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. Bank of America Corp DE
  2. Vaughan Nelson Investment Management L.P.
  3. First Trust Advisors LP
  4. SG Americas Securities LLC
  5. Healthcare of Ontario Pension Plan Trust Fund
  6. Hsbc Holdings PLC
  7. Allspring Global Investments Holdings LLC
  8. Bank of Nova Scotia
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. Jeff Zhou (Director)
  7. Eugen J Elmiger (Director)
  8. Eileen Wynne (Director)
  9. Carintia Martinez (Director)
  10. 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. Royal Bank of Canada
  2. California Public Employees Retirement System
  3. Amundi
  4. Arete Wealth Advisors LLC
  5. Arete Wealth Advisors LLC
  6. SEB Asset Management AB
  7. Empowered Funds LLC
  8. OP Asset Management Ltd