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Nasdaq 100
MPWR
Monolithic Power Systems, Inc., Technology
$1,211.63
+1.07% on the day
Close of Fri, Oct 30, 2026
−14.9% over 3M
2026-07-312026-09-162026-10-30
Market cap$59.5B
Last close$1,211.63
Day move+1.07%
Nasdaq 100
Monolithic Power Systems, Inc., Technology
$1,211.63
+1.07% on the day
Close of Fri, Oct 30, 2026
| Quarter ending | Jun 2026 | Mar 2026 | Dec 2025* | Sep 2025 | Jun 2025 | Mar 2025 | Dec 2024* | Sep 2024 |
|---|---|---|---|---|---|---|---|---|
| Revenue | $981M | $804M | $751M | $737M | $665M | $638M | $622M | $620M |
| Gross margin | 55.2% | 55.3% | 55.2% | 55.1% | 55.1% | 55.4% | 55.4% | 55.4% |
| Operating margin | 31.0% | 30.0% | 26.6% | 26.5% | 24.8% | 26.5% | 26.3% | 26.5% |
| Net margin | 26.2% | 24.0% | 22.9% | 24.4% | 20.3% | 21.2% | 201.8% | 23.3% |
| EPS, diluted | $5.22 | $3.92 | $3.50 | $3.74 | $2.81 | $2.81 | $25.71 | $2.95 |
From the company's SEC filings, newest first. * A fiscal fourth quarter: the year's 10-K less its first three quarters.
The same ranks the builder's sliders blend. Small and Wild are Big and Calm turned over.
| Measure | MPWR | Higher than |
|---|---|---|
| Earnings yield (earnings ÷ price) | 1.3% | 25% |
| Book yield (book value ÷ price) | 6.5% | 29% |
| Free cash flow yield | 1.1% | 19% |
| Buyback yield | 0.0% | 30% |
| Revenue growth, a year | 26.4% | 78% |
| EPS growth, a year | -60.6% | 7% |
| Return on equity | 20.6% | 47% |
| Return on assets | 17.1% | 73% |
| Net margin | 24.5% |
Research
Figures from SEC filings and daily closes; results dates and headlines from Yahoo Finance and Nasdaq; insider trades from SEC Form 4. For learning, not investment advice.
| 69% |
| Liabilities ÷ assets | 16.9% | 7% |
|---|
| Past year, skipping last month | 25.2% | 64% |
|---|
| Past 6 months, skipping last month | -13.8% | 18% |
|---|
| Volatility, a year's worth | 49.0% | 66% |
|---|
"Higher than" is the share of the 100 with a lower figure. Financial figures from SEC filings, market figures from daily closes. Dividend yield and beta are under Valuation below.
Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally. The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications.
From Yahoo Finance, monolithicpower.com
MPWR Q3 deep dive: diversified end-market demand and design wins drive outlook upgradeStockStory, 2h ago
Revenue Outlook Raised Could Be A Game Changer For Monolithic Power Systems StockSimply Wall St., 13h agoWhy Monolithic Power Systems (MPWR) Is Getting Attention TodaySimply Wall St., Oct 31Monolithic Power Systems (MPWR) Stock Price Nears Record High After Q3 EarningsSimply Wall St., Oct 30
MPWR Q3 Earnings Call Highlights AI Demand and Capacity ExpansionZacks, Oct 302 high-flying stocks on our watchlist and 1 we turn downStockStory, Oct 30Monolithic Power Systems (MPWR) Names New Finance Chiefs As Fiduciary Review OpensSimply Wall St., Oct 30
Monolithic Power Systems (MPWR) Q3 2026 Earnings Call TranscriptMotley Fool, Oct 30
MPWR Q3 Earnings Surpass Estimates on Enterprise Data StrengthZacks, Oct 30
Reddit downgraded, Rivian upgraded: Wall Street's top analyst callsThe Fly, Oct 30Headlines are the outlets' views, not ours. Read the date before the headline. More on Yahoo Finance
MPWR Q3 deep dive: diversified end-market demand and design wins drive outlook upgradeStockStory, 2h agoRevenue Outlook Raised Could Be A Game Changer For Monolithic Power Systems StockSimply Wall St., 13h agoWhy Monolithic Power Systems (MPWR) Is Getting Attention TodaySimply Wall St., Oct 31Monolithic Power Systems (MPWR) Stock Price Nears Record High After Q3 EarningsSimply Wall St., Oct 30MPWR Q3 Earnings Call Highlights AI Demand and Capacity ExpansionZacks, Oct 30Headlines are the outlets' views, not ours. Read the date before the headline. More on Yahoo Finance
Open-market buys and sells are the ones that say something; awards, exercises and tax withholding are routine.
Every transaction, in AdvancedSEC Form 4, public domain. The latest 40 of 75 Form 4 filings from the last 12 months are counted. A sale filled at several prices is one line at its average price. All Form 4s on EDGAR
Open-market buys and sells are the ones that say something; awards, exercises and tax withholding are routine.
| Date | Insider | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | Hsing MichaelCEO, Director | Sold on the market10b5-1 plan | −30,000 | $1,345average | $40.3M | Form 4 ↗ |
| Aug 31, 2026 | Tseng SariaEVP & General Counsel | Gift | −2,000 | — | — | Form 4 ↗ |
| Aug 31, 2026 | Tseng SariaEVP & General Counsel | Gift | +2,000 | — | — | Form 4 ↗ |
| Aug 24, 2026 | Dean Robert W IIInterim CFO | Sold on the market | −32 | $1,298 | $41.5K | Form 4 ↗ |
| Aug 24, 2026 | Dean Robert W IIInterim CFO | Other | −5 | — | — | Form 4 ↗ |
| Aug 24, 2026 | Chang Kuo Wei HerbertDirector | Sold on the market | −50 | $1,282 | $64.1K | Form 4 ↗ |
| Aug 17, 2026 | Dean Robert W IIInterim CFO | Sold on the market | −6 | $1,414 | $8.5K | Form 4 ↗ |
| Aug 11, 2026 | Chang Kuo Wei HerbertDirector | Sold on the market | −50 | $1,420 | $71K | Form 4 ↗ |
| Aug 5, 2026 | Dean Robert W IIInterim CFO | Sold on the market | −105 | $1,344 | $141K | Form 4 ↗ |
| Aug 4, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Gift | −25,000 | — | — | Form 4 ↗ |
| Aug 4, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Gift | +25,000 | — | — | Form 4 ↗ |
| Aug 3, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market10b5-1 plan | −30 | $1,344 | $40.3K | Form 4 ↗ |
| Jul 25, 2026 | Dean Robert W IIInterim CFO | Award | +1,359 | — | — | Form 4 ↗ |
| Jul 15, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market10b5-1 plan | −15,000 | $1,350average | $20.2M | Form 4 ↗ |
| Jul 1, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market10b5-1 plan | −30 | $1,352 | $40.5K | Form 4 ↗ |
| Jun 1, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market10b5-1 plan | −30 | $1,534 | $46K | Form 4 ↗ |
| May 29, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Gift | −12,472 | — | — | Form 4 ↗ |
| May 27, 2026 | Tseng SariaEVP & General Counsel | Sold on the market | −7,565 | $1,700 | $12.9M | Form 4 ↗ |
| May 26, 2026 | Dean Robert W IIInterim CFO | Sold on the market | −22 | $1,650 | $36.3K | Form 4 ↗ |
| May 26, 2026 | Zhou JeffDirector | Sold on the market | −486 | $1,680 | $816K | Form 4 ↗ |
| May 22, 2026 | Tseng SariaEVP & General Counsel | Gift | −200 | — | — | Form 4 ↗ |
| May 22, 2026 | Tseng SariaEVP & General Counsel | Sold on the market | −5,000 | $1,586 | $7.9M | Form 4 ↗ |
| May 18, 2026 | Hsing MichaelCEO, Director | Sold on the market | −40,000 | $1,483average | $59.3M | Form 4 ↗ |
| May 18, 2026 | Dean Robert W IIInterim CFO | Sold on the market | −4 | $1,563 | $6.3K | Form 4 ↗ |
| May 15, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market10b5-1 plan | −12,000 | $1,561average | $18.7M | Form 4 ↗ |
| May 13, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Gift | −1,563 | — | — | Form 4 ↗ |
| May 13, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Gift | +1,563 | — | — | Form 4 ↗ |
| May 13, 2026 | Dean Robert W IIInterim CFO | Other | −2,156 | — | — | Form 4 ↗ |
| May 6, 2026 | Elmiger Eugen JDirector | Sold on the market | −12,000 | $1,585average | $19M | Form 4 ↗ |
| May 6, 2026 | Xiao DemingEVP, Global Operations | Sold on the market | −30,000 | $1,655average | $49.6M | Form 4 ↗ |
| May 6, 2026 | Wynne EileenDirector | Sold on the market | −335 | $1,583 | $530K | Form 4 ↗ |
| May 6, 2026 | Zhou JeffDirector | Sold on the market | −500 | $1,650 | $825K | Form 4 ↗ |
| May 5, 2026 | Zhou JeffDirector | Sold on the market | −1,014 | $1,587average | $1.6M | Form 4 ↗ |
| May 5, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market | −380 | $1,584 | $602K | Form 4 ↗ |
| May 4, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market10b5-1 plan | −30 | $1,589 | $47.7K | Form 4 ↗ |
| Apr 8, 2026 | Tseng SariaEVP & General Counsel | Sold on the market10b5-1 plan | −8,963 | $1,305average | $11.7M | Form 4 ↗ |
| Apr 6, 2026 | Tseng SariaEVP & General Counsel | Sold on the market10b5-1 plan | −7,636 | $1,168average | $8.9M | Form 4 ↗ |
| Apr 1, 2026 | Tseng SariaEVP & General Counsel | Sold on the market10b5-1 plan | −1,400 | $1,134average | $1.6M | Form 4 ↗ |
| Apr 1, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market10b5-1 plan | −30 | $1,116 | $33.5K | Form 4 ↗ |
| Mar 30, 2026 | Tseng SariaEVP & General Counsel | Sold on the market10b5-1 plan | −25,674 | $1,011average | $25.9M | Form 4 ↗ |
| Mar 20, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market10b5-1 plan | −30 | $1,095 | $32.9K | Form 4 ↗ |
| Feb 12, 2026 | Hsing MichaelCEO, Director | Sold on the market10b5-1 plan | −33,000 | $1,172average | $38.7M | Form 4 ↗ |
| Feb 11, 2026 | Hsing MichaelCEO, Director | Sold on the market10b5-1 plan | −33,000 | $1,189average | $39.2M | Form 4 ↗ |
| Feb 11, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sold on the market | −200 | $1,180 | $236K | Form 4 ↗ |
| Feb 10, 2026 | Hsing MichaelCEO, Director | Sold on the market10b5-1 plan | −34,000 | $1,142average | $38.8M | Form 4 ↗ |
| Feb 9, 2026 | Lee Victor KDirector | Sold on the market10b5-1 plan | −400 | $1,212 | $485K | Form 4 ↗ |
SEC Form 4, public domain. The latest 40 of 75 Form 4 filings from the last 12 months are counted. A sale filled at several prices is one line at its average price. All Form 4s on EDGAR
Beat the forecast in 2 of the last 4 quarters.
The stock's move is from the close before the report to the close after it.