Monolithic Power Systems (NASDAQ:MPWR) Stock Gets Downgrade from Wall Street Zen

Posted by Brenda Bartman on Oct 19th, 2026

Monolithic Power Systems (NASDAQ:MPWR – Get Free Report) was downgraded by investment analysts at Wall Street Zen from a “buy” rating to a “hold” rating in a report released on Saturday, Wall Street Zen reports.

Other analysts also recently issued reports about the stock. Rosenblatt Securities reiterated a “neutral” rating and issued a $1,575.00 price objective on shares of Monolithic Power Systems in a report on Friday, July 31st. Wells Fargo & Company boosted their price objective on shares of Monolithic Power Systems from $1,700.00 to $1,800.00 and gave the stock an “overweight” rating in a research report on Friday, July 31st. KeyCorp increased their target price on shares of Monolithic Power Systems from $2,000.00 to $2,100.00 and gave the stock an “overweight” rating in a report on Friday, July 31st. Needham & Company LLC raised their target price on shares of Monolithic Power Systems from $1,750.00 to $2,000.00 and gave the company a “buy” rating in a research report on Friday, July 31st. Finally, TD Cowen reaffirmed a “buy” rating on shares of Monolithic Power Systems in a research report on Monday, October 5th. Thirteen investment analysts have rated the stock with a Buy rating and three have given a Hold rating to the stock. According to data from MarketBeat.com, the company has an average rating of “Moderate Buy” and an average target price of $1,735.50.

Get Our Latest Research Report on MPWR

Monolithic Power Systems Stock Performance

Shares of Monolithic Power Systems stock opened at $1,210.86 on Friday. The business’s 50 day simple moving average is $1,303.94 and its 200 day simple moving average is $1,393.97. Monolithic Power Systems has a 52-week low of $833.18 and a 52-week high of $1,714.09. The firm has a market cap of $59.50 billion, a PE ratio of 74.24 and a beta of 1.68.

Monolithic Power Systems (NASDAQ:MPWR – Get Free Report) last released its earnings results on Thursday, July 30th. The semiconductor company reported $6.50 EPS for the quarter, beating the consensus estimate of $5.87 by $0.63. Monolithic Power Systems had a return on equity of 22.31% and a net margin of 24.41%. The firm had revenue of $980.64 million for the quarter, compared to analysts’ expectations of $903.30 million. During the same quarter in the previous year, the business posted $4.21 EPS. The business’s quarterly revenue was up 47.6% compared to the same quarter last year. As a group, equities research analysts predict that Monolithic Power Systems will post 23.95 EPS for the current year.

Insider Activity

In other news, Director Kuo Wei Chang sold 50 shares of the company’s stock in a transaction dated Monday, August 24th. The shares were sold at an average price of $1,281.57, for a total value of $64,078.50. Following the sale, the director directly owned 515 shares of the company’s stock, valued at approximately $660,008.55. This represents a 8.85% decrease in their position. The sale was disclosed in a document filed with the Securities & Exchange Commission, which can be accessed through the SEC website. Also, EVP Maurice Sciammas sold 30 shares of the firm’s stock in a transaction dated Monday, August 3rd. The shares were sold at an average price of $1,343.94, for a total transaction of $40,318.20. Following the completion of the sale, the executive vice president owned 1,119 shares of the company’s stock, valued at $1,503,868.86. This trade represents a 2.61% decrease in their ownership of the stock. Additional details regarding this sale are available in the official SEC disclosure. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Insiders have sold a total of 130 shares of company stock worth $175,397 over the last 90 days. 3.60% of the stock is owned by company insiders.

Institutional Trading of Monolithic Power Systems

Several institutional investors and hedge funds have recently bought and sold shares of MPWR. IFM Investors Pty Ltd bought a new position in Monolithic Power Systems during the first quarter worth about $10,462,000. Baird Financial Group Inc. raised its stake in Monolithic Power Systems by 10.3% in the 2nd quarter. Baird Financial Group Inc. now owns 81,895 shares of the semiconductor company’s stock worth $113,210,000 after purchasing an additional 7,624 shares in the last quarter. Y Intercept Hong Kong Ltd acquired a new stake in Monolithic Power Systems in the 1st quarter worth about $5,061,000. Hsbc Holdings PLC raised its stake in Monolithic Power Systems by 43.1% in the 4th quarter. Hsbc Holdings PLC now owns 200,626 shares of the semiconductor company’s stock worth $182,310,000 after purchasing an additional 60,414 shares in the last quarter. Finally, Ameritas Advisory Services LLC boosted its holdings in Monolithic Power Systems by 773.4% in the 2nd quarter. Ameritas Advisory Services LLC now owns 1,677 shares of the semiconductor company’s stock valued at $2,318,000 after purchasing an additional 1,485 shares during the period. Institutional investors own 93.46% of the company’s stock.

Monolithic Power Systems News Roundup

Here are the key news stories impacting Monolithic Power Systems this week:

Positive Sentiment: KeyCorp raised earnings forecasts across 2026 and 2027. The firm increased its FY2026 EPS estimate to $24.51 from $21.05 and its FY2027 estimate to $34.92 from $29.54. Quarterly estimates were also lifted, including Q3 2026 EPS to $7.10, Q4 2026 to $7.56, and Q1–Q4 2027 estimates ranging from $7.49 to $10.06. These revisions signal stronger anticipated growth and profitability for MPWR.
Positive Sentiment: KeyCorp reiterated an “Overweight” rating and a $2,100 price target. The target implies substantial upside from the stock’s recent trading level, reinforcing the analyst’s confidence in Monolithic Power Systems’ long-term earnings potential.
Neutral Sentiment: The earnings upgrades are from a single analyst and primarily affect future periods. While KeyCorp’s forecasts are well above its previous estimates, investors may still await the company’s actual quarterly results and guidance before fully crediting the projected growth.
Negative Sentiment: Wall Street Zen lowered its rating on Monolithic Power Systems. The article does not provide the new rating or the reasons for the downgrade, but the negative action creates a counterweight to KeyCorp’s bullish revisions and could add selling pressure. Monolithic Power Systems Stock Rating Lowered by Wall Street Zen

About Monolithic Power Systems

(Get Free Report)

Monolithic Power Systems, Inc (NASDAQ: MPWR) is a semiconductor company that designs, develops and markets high-performance power-management solutions. Its products help regulate, convert, distribute and control electrical power in electronic systems, supporting applications that require efficient and reliable power delivery.

The company’s portfolio includes integrated circuits, power modules, battery-management products, motor drivers, LED drivers and related analog and mixed-signal semiconductor solutions.