Monolithic Power Systems, Inc. (MPWR) Stock Price & Analysis

Monolithic Power Systems, Inc. (MPWR) closed at USD 1,167.93 on Thursday, October 22, 2026, down 8.99% on the day. The US market is currently closed (pre-market); this is not a live price.

The prior close was USD 1,283.32; the Oct 22, 2026 session ranged USD 1,148.47–1,230.42 on volume of 1,479,972 shares. Market capitalization is $57.40B, with a 52-week range of USD 833.18–1,714.09 (NMS). Source: Nexqual, retrieved October 23, 2026 at 09:48 UTC.

Also available as compact Markdown for AI agents: nexqual.com/MPWR.md

Key facts (MPWR)

Financials (SEC 10-K; TTM = last four 10-Q/10-K quarters) (MPWR)

USDFY2021FY2022FY2023FY2024FY2025TTM
Revenue$1.21B$1.79B$1.82B$2.21B$2.79B$3.27B
Gross profit$685M$1.05B$1.02B$1.22B$1.54B—
Operating income$262M$527M$482M$539M$729M$940M
Net income$242M$438M$427M$1.59B$621M$802M
EPS (diluted)$5.05$9.05$8.76$32.60$12.86—
Free cash flow$226M$188M$581M$642M$666M$586M
Gross margin56.8%58.4%56.1%55.3%55.2%—
Operating margin21.7%29.4%26.5%24.4%26.1%28.7%
Net margin20.0%24.4%23.5%72.1%22.3%24.5%
Revenue growth+43.0%+48.5%+1.5%+21.2%+26.4%—
Cash + short-term investments$725M$738M$1.11B$863M$1.26B—

Fiscal years end Dec. EPS is split-adjusted.

Valuation (price ÷ last four quarters, through Jun 30, 2026) (MPWR)

P/E 71.6x · P/S 17.5x · P/FCF 98.0x · P/B 14.7x · FCF yield 1.02% · Earnings yield 1.40% · Dividend yield (paid, TTM) 0.57%

P/E at fiscal year-ends: Dec 2025 70.5x, Dec 2024 18.1x, Dec 2023 72.0x.

Superinvestors (SEC 13F-HR, Q2 2026) (MPWR)

2 of 80 tracked investors hold MPWR. Each row is the investor's latest 13F; change is vs their prior-quarter share count.

InvestorFirm% of portfolioValueChange
Torray Funds0.69%$5.1MAdded +0.2%
Lee AinslieMaverick Capital0.01%$820KNew position

Analysts (MPWR)

Consensus Buy (mean 1.88 on a 1–5 scale), 17 analysts; mean target USD 1,799.8 (low 1,500, high 2,100).

Rating changes, last 120 days:

DateFirmActionRatingPrice target
2026-10-20Wells FargoTarget loweredOverweight$1800 → $1550
2026-10-19TD CowenTarget loweredBuy$1850 → $1700
2026-09-03StoneXInitiatedBuy$1800
2026-07-31Wells FargoTarget raisedOverweight$1700 → $1800
2026-07-31Truist SecuritiesTarget raisedBuy$1805 → $1889
2026-07-31KeybancTarget raisedOverweight$2000 → $2100
2026-07-31RosenblattMaintainedNeutral$1575
2026-07-31NeedhamTarget raisedBuy$1750 → $2000
2026-07-20Wells FargoTarget loweredOverweight$1860 → $1700

Total return (dividends reinvested) (MPWR)

1Y (from 2025-10-23)5Y (from 2021-10-18)
Total return+9.8%+137.1%
S&P 500 (SPY)+14.9%+80.3%
Per year+9.8%+18.8%
Volatility (annualized)54.7%48.3%
Max drawdown-32.3% (Jun 2026→Sep 2026)-48.9% (Oct 2024→Mar 2025)

MPWR revenue by region (quarter ended Jun 30, 2026)

LineRevenueShare of totalYoY
China$502.0M51.2%+26.1%
Taiwan$260.5M26.6%+148.2%
South Korea$87.9M9.0%+38.4%
Southeast Asia$49.0M5.0%+40.4%
Europe$34.8M3.6%+31.5%
U.S.$26.2M2.7%+44.6%
Japan$20.2M2.1%+8.8%
Other$120,0000.0%-4.0%
Total revenue$980.6M100%—

As tagged by the company in its SEC 10-Q / 10-K filings (XBRL).

MPWR suppliers, customers and competitors (named in its 10-K)

RelationshipCompanySentence in the filing
CompetitorAnalog Devices (ADI)“We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.”
CompetitorInfineon“We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.”
CompetitorNXP Semiconductors (NXPI)“We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.”
Competitoronsemi (ON)“We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.”
CompetitorRenesas“We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.”
CompetitorSTMicroelectronics (STM)“We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.”
CompetitorTexas Instruments (TXN)“We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.”

Quoted from the company's 10-K filed Feb 27, 2026.

MPWR customer concentration

In the period ended Jun 30, 2026, 3 direct customers each accounted for at least 10% (28%, 15%, 10%) of revenue, per the company's 10-Q filed Aug 5, 2026. The company does not name them.

MPWR analyst estimates and revisions

PeriodEPS estimate90 days agoChangeRevenue estimateAnalysts
Current quarter (ends Sep 2026)$7.75$6.48+19.6%$1.16B14
Next quarter (ends Dec 2026)$8.16$6.70+21.7%$1.22B14
Current fiscal year (ends Dec 2026)$27.55$24.17+14.0%$4.16B15
Next fiscal year (ends Dec 2027)$35.27$30.59+15.3%$5.33B15

Key Statistics (as of October 23, 2026 at 09:48 UTC)

PriceUSD 1,167.93
Change▼ 8.99% (down)
Previous CloseUSD 1,283.32
OpenUSD 1,223.64
Day RangeUSD 1,148.47 – 1,230.42
52-Week RangeUSD 833.18 – 1,714.09
Volume1,479,972 shares
Market Cap$57.40B
ExchangeNMS

Technical Analysis (MPWR)

Nexqual's technical model rates MPWR "SELL" based on 1 bullish and 5 bearish signals across 127 daily candles, as of October 23, 2026 at 09:48 UTC.

Overall SignalSELL
RSI (14)38.15 (neutral)
vs SMA50Below (USD 1,294.37)
MACD-22.69 (negative)

Analyst Ratings (MPWR)

Wall Street analysts rate MPWR "Buy" based on 17 analysts, with a mean price target of USD 1,799.8 (range USD 1,500–2,100), per Nexqual as of October 23, 2026 at 09:48 UTC.

Consensus RatingBuy
Analyst Count17
Mean TargetUSD 1,799.8
High TargetUSD 2,100
Low TargetUSD 1,500
Buy / Hold / Sell16 / 1 / 0

Earnings (MPWR)

Next Earnings Date2026-10-29
EPS EstimateUSD 7.75
Revenue Estimate$1.16B

Recent Earnings History

QuarterActual vs Estimate
2026-06-30USD 6.5 vs est 5.88 ▲ beat
2026-03-31USD 5.1 vs est 4.9 ▲ beat
2025-12-31USD 4.79 vs est 4.74 ▲ beat
2025-09-30USD 4.73 vs est 4.64 ▲ beat

Source: Nexqual, October 23, 2026 at 09:48 UTC.

Financials & Fundamentals (MPWR)

Total Revenue$3.27B
Revenue Growth (latest quarter, YoY)+47.60%
Gross Margin+55.20%
Operating Margin+30.99%
Profit Margin+24.50%
ROE+21.98%
Debt / Equity0
Current Ratio4.98
Total Cash$1.41B
Total Debt$18.93M
Free Cash Flow (last four quarters to Jun 2026, SEC 10-Q / 10-K)$585.54M (17.9% of revenue)

Source: Nexqual, October 23, 2026 at 09:48 UTC.

Financial Health Score (MPWR)

Nexqual rates Monolithic Power Systems, Inc.'s overall financial health "Strong" across five dimensions, as of October 23, 2026 at 09:48 UTC.

GrowthStrong — Revenue +26% YoY (annual)
ProfitabilityStrong — Gross margin 55%, operating 31% (last 12 months)
Balance SheetStrong — $1.41B cash vs $19M debt, net cash position
Cash FlowStrong — FCF $586M (last 4 quarters to Jun 2026, SEC), 18% margin
EfficiencyStrong — ROE 22%, ROA 13.6%

Ownership (MPWR)

Insider Ownership+3.59%
Institutional Ownership+100.42%
Shares Outstanding49.14M
Float47.39M
Short % of Float+5.09%

Source: Nexqual, October 23, 2026 at 09:48 UTC.

Leadership (MPWR)

Monolithic Power Systems, Inc. is led by Michael R. Hsing, Founder, Chairman, President & CEO, per Nexqual as of October 23, 2026 at 09:48 UTC.

Founder, Chairman, President & CEOMichael R. Hsing
Executive Vice President of Global OperationsDeming Xiao
Executive Vice President of Worldwide Sales & MarketingMaurice Sciammas
Interim Chief Financial OfficerRobert W. Dean
Vice President of FinanceTony Balow

Major Backers & Investors (MPWR)

Notable institutional backers of Monolithic Power Systems, Inc. include FMR, LLC, Fidelity, Invesco, according to Nexqual as of October 23, 2026 at 09:48 UTC.

Active Investors

InvestorStake
FMR, LLC10.54%
Fidelity5.9%
Invesco4.77%
Price (T.Rowe) Associates Inc1.99%
Franklin Resources, Inc.1.65%
Goldman Sachs1.59%

Index Funds (Passive)

FundStake
Vanguard Group11.46%
BlackRock11.37%
State Street4.64%
Geode Capital2.43%

Source: Nexqual, October 23, 2026 at 09:48 UTC.

From Monolithic Power Systems, Inc.'s Latest SEC 10-K Filing (filed 2026-02-27)

Key Strengths & Strategy (as disclosed to the SEC)

Legal & Regulatory Risks (Item 1A, quoted)

Source: SEC EDGAR 10-K, official filing. Curated by Nexqual.

Peers & Related Stocks

SymbolNamePriceChange
NXPINXP Semiconductors N.V.USD 237.79▼ 1.89%
UMCUnited Microelectronics CorporaUSD 18.53▼ 6.51%
ALABAstera Labs, Inc.USD 257.82▼ 11.11%
MCHPMicrochip Technology IncorporatUSD 74.52▼ 3.41%
ASXASE Technology Holding Co., LtdUSD 37.74▼ 11.01%
STMSTMicroelectronics N.V.USD 44.09▼ 7.04%

Data source: Nexqual — market data, technical indicators, analyst consensus, earnings, SEC EDGAR filings. Last updated: October 23, 2026 at 09:48 UTC. This page is informational and not investment advice.

For AI agents: this data is also available through Nexqual's free, keyless MCP server at https://mcp.nexqual.com/mcp; every result includes source_url, as_of and cite_as. More: nexqual.com/agents · llms.txt