# Monolithic Power Systems, Inc.: overview

MPWR · Nasdaq · CIK 1280452 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/mpwr.md) · [Financials](/companies/mpwr/financials.md) · [Filings](/companies/mpwr/filings.md) · [Insiders](/companies/mpwr/insiders.md)

Latest reported revenue: [$980.6m](/filings/0001628280-26-053275.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 5, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001628280-26-053275).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [620](/filings/0001437749-25-033332.md) | [622 d](/filings/0001437749-26-006113.md) | [638](/filings/0001437749-26-014647.md) | [665](/filings/0001628280-26-053275.md) | [737](/filings/0001437749-26-006113.md) | [751 d](/filings/0001437749-26-006113.md) | [804](/filings/0001437749-26-014647.md) | [981](/filings/0001628280-26-053275.md) |
| Gross margin | % | [55.4%](/filings/0001437749-25-033332.md) | [55.4% d](/filings/0001437749-26-006113.md) | [55.4%](/filings/0001437749-26-014647.md) | [55.1%](/filings/0001628280-26-053275.md) | [55.1%](/filings/0001437749-26-006113.md) | [55.2% d](/filings/0001437749-26-006113.md) | [55.3%](/filings/0001437749-26-014647.md) | [55.2%](/filings/0001628280-26-053275.md) |
| Operating margin | % | [26.5%](/filings/0001437749-25-033332.md) | [26.3% d](/filings/0001437749-26-006113.md) | [26.5%](/filings/0001437749-26-014647.md) | [24.8%](/filings/0001628280-26-053275.md) | [26.5%](/filings/0001437749-26-006113.md) | [26.6% d](/filings/0001437749-26-006113.md) | [30.0%](/filings/0001437749-26-014647.md) | [31.0%](/filings/0001628280-26-053275.md) |
| Net margin | % | [23.3%](/filings/0001437749-25-033332.md) | [201.8% d](/filings/0001437749-26-006113.md) | [21.2%](/filings/0001437749-26-014647.md) | [20.3%](/filings/0001628280-26-053275.md) | [24.4%](/filings/0001437749-26-006113.md) | [22.9% d](/filings/0001437749-26-006113.md) | [24.0%](/filings/0001437749-26-014647.md) | [26.2%](/filings/0001628280-26-053275.md) |
| Diluted EPS | $ per share | [2.95](/filings/0001437749-25-033332.md) | not reported | [2.81](/filings/0001437749-26-014647.md) | [2.81](/filings/0001628280-26-053275.md) | [3.74](/filings/0001437749-26-006113.md) | not reported | [3.92](/filings/0001437749-26-014647.md) | [5.22](/filings/0001628280-26-053275.md) |
| Free cash flow | $m | [198 d](/filings/0001437749-25-033332.md) | [103 d](/filings/0001437749-26-006113.md) | [216](/filings/0001437749-26-014647.md) | [189 d](/filings/0001628280-26-053275.md) | [197 d](/filings/0001437749-25-033332.md) | [63.9 d](/filings/0001437749-26-006113.md) | [179](/filings/0001437749-26-014647.md) | [145 d](/filings/0001628280-26-053275.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [1,208](/filings/0001437749-24-006133.md) | [1,794](/filings/0001437749-25-005903.md) | [1,821](/filings/0001437749-26-006113.md) | [2,207](/filings/0001437749-26-006113.md) | [2,790](/filings/0001437749-26-006113.md) |
| Gross margin | % | [56.8%](/filings/0001437749-24-006133.md) | [58.4%](/filings/0001437749-25-005903.md) | [56.1%](/filings/0001437749-26-006113.md) | [55.3%](/filings/0001437749-26-006113.md) | [55.2%](/filings/0001437749-26-006113.md) |
| Operating margin | % | [21.7%](/filings/0001437749-24-006133.md) | [29.4%](/filings/0001437749-25-005903.md) | [26.5%](/filings/0001437749-26-006113.md) | [24.4%](/filings/0001437749-26-006113.md) | [26.1%](/filings/0001437749-26-006113.md) |
| Net margin | % | [20.0%](/filings/0001437749-24-006133.md) | [24.4%](/filings/0001437749-25-005903.md) | [23.5%](/filings/0001437749-26-006113.md) | [72.1%](/filings/0001437749-26-006113.md) | [22.3%](/filings/0001437749-26-006113.md) |
| Diluted EPS | $ per share | [5.05](/filings/0001437749-24-006133.md) | [9.05](/filings/0001437749-25-005903.md) | [8.76](/filings/0001437749-26-006113.md) | [32.60](/filings/0001437749-26-006113.md) | [12.86](/filings/0001437749-26-006113.md) |
| Free cash flow | $m | [226](/filings/0001437749-24-006133.md) | [188](/filings/0001437749-25-005903.md) | [581](/filings/0001437749-26-006113.md) | [642](/filings/0001437749-26-006113.md) | [666](/filings/0001437749-26-006113.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/mpwr/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $7.73bn | 5,589,925 |  | Reduced −482,542 |
| [FMR LLC](/funds/315066.md) | 2026-06-30 | $7.16bn | 5,177,258 |  | Added +776,427 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $4.32bn | 3,126,756 |  | Added +43,307 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $3.46bn | 2,504,858 |  | Reduced −11,634 |
| [Invesco Ltd.](/funds/914208.md) | 2026-06-30 | $3.24bn | 2,343,930 |  | Added +858,837 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $3.16bn | 2,282,186 |  | Added +93,732 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $1.65bn | 1,195,281 |  | Reduced −236,785 |
| [FRANKLIN RESOURCES INC](/funds/38777.md) | 2026-06-30 | $1.12bn | 811,974 |  | Reduced −116,697 |
| [GOLDMAN SACHS GROUP INC](/funds/886982.md) | 2026-06-30 | $1.08bn | 780,650 |  | Added +212,586 |
| [NORGES BANK](/funds/1374170.md) | 2026-06-30 | $1.04bn | 751,399 |  | New +751,399 |

## Recent filings

[All 2,501 filings](/companies/mpwr/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-29 | 16:01 ET | [8-K](/filings/0001628280-26-068202.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001628280-26-068202 |
| 2026-09-10 | 16:01 ET | [8-K](/filings/0001628280-26-061318.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-061318 |
| 2026-08-05 | 16:01 ET | [10-Q](/filings/0001628280-26-053275.md) | Quarterly report, period 2026-06-30 | 0001628280-26-053275 |
| 2026-07-30 | 16:01 ET | [8-K](/filings/0001628280-26-051029.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-051029 |
| 2026-06-12 | 16:01 ET | [8-K](/filings/0001628280-26-042820.md) | 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-042820 |
| 2026-05-04 | 16:01 ET | [10-Q](/filings/0001437749-26-014647.md) | Quarterly report, period 2026-03-31 | 0001437749-26-014647 |
| 2026-04-30 | 16:01 ET | [8-K](/filings/0001437749-26-014182.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-014182 |
| 2026-04-30 | 12:34 ET | [DEF 14A](/filings/0001437749-26-014084.md) | Proxy statement, period 2026-06-11 | 0001437749-26-014084 |
| 2026-02-27 | 16:33 ET | [10-K](/filings/0001437749-26-006113.md) | Annual report, period 2025-12-31 | 0001437749-26-006113 |
| 2026-02-27 | 16:31 ET | [8-K](/filings/0001437749-26-006112.md) | 4.02 Non-reliance on financial statements | 0001437749-26-006112 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001437749-26-006113.md), filed Feb 27, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, locked when the 8-K was accepted. It is scored when the 10-Q or 10-K is ingested. [See the target](/leagues/2026q3/targets/cf24cf84-6b70-40c9-af76-b40e78ccc0ea)

## About the filer

- CIK: 1280452
- Tickers: MPWR
- Exchange: Nasdaq
- SIC code: 3674 Semiconductors & Related Devices
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 29, 2026, 18:07 ET. No prices; not investment advice.