Stocklore

Monolithic Power Systems, Inc. (MPWR)

Semiconductors · US stock

What changed in recent filings

  • Taiwan segment 29% → 23%Sep 30, 2024 → Mar 31, 2026

What changed in recent SEC filings — factual, not a buy/sell recommendation.

Company overview

Monolithic Power Systems is a power chipmaker specializing in voltage regulators. Its mission is to reduce total energy consumption in end systems to improve performance and save customers cost. It serves the data center, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.

What is the Semiconductors sector?

Fabless, foundry, and equipment. A core beneficiary of AI demand.

Monolithic Power Systems, Inc. is classified under the Semiconductors sector. See peers below.

MPWR segment revenue mix trend

Quarterly change in segment revenue share · verified from SEC filings

Sep '24Mar '25Sep '25Mar '26
China 51%Taiwan 23%South Korea 10%South East Asia 5%Europe 4%Other 7%

1 quarter with a different segment breakdown was omitted (filing basis changed).

ETFs holding Monolithic Power Systems, Inc.

Per SEC N-PORT · 2026-06-30 · by weight · factual

SOXXiShares Semiconductor ETF
2.93%
SMHVanEck Semiconductor ETF
1.22%
XLKState Street(R) Technology Select Sector SPDR(R) ETF
0.38%
QQQMInvesco NASDAQ 100 ETF
0.34%
QQQInvesco QQQ Trust, Series 1
0.29%
RSPInvesco S&P 500 Equal Weight ETF
0.29%
VUGVANGUARD GROWTH INDEX FUND
0.19%
VOOVANGUARD 500 INDEX FUND
0.11%
SPY
0.11%
IVViShares Core S&P 500 ETF
0.11%
ITOTiShares Core S&P Total U.S. Stock Market ETF
0.09%
VTIVANGUARD TOTAL STOCK MARKET INDEX FUND
0.09%

MPWR on Stocklore

  • Revenue by segmentsegment weights verified from SEC filings, YoY changes, growth drivers and concentration
  • Financials & earnings quality6 metrics (FCF conversion, ROIC, net debt, etc.) to gauge profit quality
  • 13F institutional holdingsholdings and weight changes of major institutions (45-day delay)
  • Sector-relative metricsValuation and growth compared with the Semiconductors average
See full MPWR analysis →

Peers · Semiconductors

MPWR FAQ

What is Monolithic Power Systems, Inc. (MPWR)?

Monolithic Power Systems is a power chipmaker specializing in voltage regulators. Its mission is to reduce total energy consumption in end systems to improve performance and save customers cost. It serves the data center, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.

What sector is Monolithic Power Systems, Inc. in?

Monolithic Power Systems, Inc. is classified under Semiconductors. Fabless, foundry, and equipment. A core beneficiary of AI demand.

Where can I analyze Monolithic Power Systems, Inc. (MPWR) stock?

On Stocklore you can see MPWR's financials & earnings quality, 13F institutional holdings, and sector-relative metrics in one place. This page is for information and tools — not a buy/sell recommendation.

Data sources: SEC EDGAR (financials & filings), 13F (institutional holdings, as of quarter-end), market data. This page is for information and analysis tools — it does not recommend buying or selling any security. Investment decisions and responsibility are your own.

Not an investment adviser and not personalized investment advice; not a discretionary management service. No trade recommendations, no target prices, no execution or brokerage. We do not recommend or guarantee any purchase, sale, or returns. Investment decisions and their outcomes are your own.

Stocklore · CEO Lee Seung-jae · Business reg. no. 764-36-01607 · E-commerce permit 2026-Jeonju Wansan-0476 · Tel +82-70-7954-4939 · S120, Rm 302, 3F, 21 Jungsanjungang-ro, Wansan-gu, Jeonju, Jeonbuk, Korea