Monolithic Power Systems (MPWR)
Information Technology3 articles
Price chart
Why is MPWR moving today?
-3.1%MPWR is -3.1% today, a large move, and no story about it reached the feed in the last 24 hours. Large moves without a headline are common: index flows, options positioning, a peer's report or a sector rotation can all do it. We do not invent a reason.
What this does not prove. A story on the same day is evidence of timing, not of cause: it explains a move only if it accounts for the size and the direction, and most single-stock moves carry a sector or index component too. Nothing here is a forecast.
Source: Yahoo Finance - quote as of 2 days ago
Monolithic Power Systems (MPWR) overview
Monolithic Power Systems makes power-management chips.
MPWR is a member of the S&P 500. It sits in the Information Technology sector. That sector covers hardware, software and semiconductor companies driving the digital economy.
Monolithic Power Systems trades on the NasdaqGS under the ticker symbol MPWR. The most recent market data puts the share price at about $1,210.86. That is down 3.07% on the session. At that price the company is worth roughly $59.51B.
Over the past 52 weeks, MPWR has traded between $833.18 and $1,714.09. Shares change hands at a trailing price-to-earnings (P/E) ratio of about 73.7. The P/E ratio sets the share price against a year of earnings. A higher number means the market is paying more for each dollar the company earns. MPWR also pays a dividend. It yields around 0.66% at the current price.
Key statistics
Source: Yahoo Finance - quote as of 2 days ago
Informational only, not financial advice. Content is AI-generated and may contain errors. How this works.
Why investors watch MPWR
MPWR is one of the larger names in the Information Technology sector, so investors follow it closely. It tends to move with the rest of the sector. This page sums up each MPWR story as it breaks, and tags it bullish, bearish or neutral.
What moves MPWR
- Earnings. MPWR reports results four times a year. A surprise against the estimate tends to move the stock that day.
- Analyst calls. Upgrades, downgrades and new price targets change what the market expects from MPWR.
- Sector news. Information Technology stocks often move together, so a rival's news can move MPWR too.
Market Mood
Latest MPWR news
Monolithic Power Systems (MPWR) CEO Hsing Sells $40.3M in Stock
Hsing, the CEO of Monolithic Power Systems (MPWR), sold $40.3 million worth of stock. This transaction marks a significant divestiture from the company. Such sales by executives can influence market perceptions, as they may be seen as a signal about the company's future performance. Investors should be aware of this sale as it could impact stock performance or investor sentiment regarding MPWR.
Read More: Monolithic Power Systems (MPWR) CEO Hsing Sells $40.3M in Stock
Monolithic Power Systems (MPWR) Interim CFO Sells $8,481 in Shares
The interim CFO of Monolithic Power Systems (MPWR) sold shares worth $8,481. This transaction is notable as insider selling can indicate the CFO's outlook on the company's stock performance. The sale details provide transparency into the company's internal operations and potential shifts in management confidence. Such transactions can influence investor perception and market movements surrounding the stock.
Read More: Monolithic Power Systems (MPWR) Interim CFO Sells $8,481 in Shares
Monolithic Power Systems (MPWR) Stock Closed at $1,068.85 with 52-Week Gain of 70.22%
Monolithic Power Systems, Inc. (NASDAQ: MPWR) closed at $1,068.85 per share on March 20, 2026, experiencing a one-month return of -10.19% but a significant 52-week gain of 70.22%. The company's market capitalization stands at $52.5 billion. Brown Advisory's Mid-Cap Growth Strategy highlighted MPWR in its Q4 2025 investor letter, noting improved market dynamics around its Blackwell platform. Hedge fund interest in MPWR increased, with 50 portfolios holding its shares at the end of Q4, up from 42 in the previous quarter. This performance reflects key developments in the semiconductor landscape, especially concerning AI compute architectures.
Read More: Monolithic Power Systems (MPWR) Stock Closed at $1,068.85 with 52-Week Gain of 70.22%More Information Technology stocks
Frequently asked questions
Is Monolithic Power Systems in the S&P 500?
Yes. Monolithic Power Systems trades as MPWR and is a member of the S&P 500. The index lists it in the Information Technology sector.
What sector is MPWR in?
MPWR sits in the Information Technology sector of the S&P 500.
Where can I find the latest MPWR news?
Right here. This page collects recent MPWR news and market analysis. Every story gets an AI summary and a bullish, bearish or neutral tag.
What is Monolithic Power Systems's stock price?
MPWR last traded at about $1,210.86. Prices move all through the session, so this is the latest quote rather than a live one.
What is Monolithic Power Systems's market cap?
MPWR is worth roughly $59.51B. Market cap is the share price times the number of shares outstanding.
What is MPWR's P/E ratio?
MPWR trades at a trailing P/E ratio of about 73.7. The ratio compares the share price with earnings per share over the past year.
New to investing?
- Why stock prices move, and how to read a day like Monolithic Power Systems's today →
- Monolithic Power Systems pays a dividend: the four dates that decide who gets it →
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- How to read Monolithic Power Systems's earnings report →
- Read the latest market analysis →