Monolithic Power Systems, Inc. $MPWR Stock Bought by Factory Mutual Insurance Co.

Posted by Stanley Muller on Nov 4th, 2026

Factory Mutual Insurance Co. boosted its stake in shares of Monolithic Power Systems, Inc. (NASDAQ:MPWR – Free Report) by 9.4% during the 3rd quarter, HoldingsChannel reports. The fund owned 38,807 shares of the semiconductor company’s stock after purchasing an additional 3,350 shares during the period. Factory Mutual Insurance Co.’s holdings in Monolithic Power Systems were worth $52,282,000 at the end of the most recent quarter.

A number of other hedge funds and other institutional investors have also added to or reduced their stakes in MPWR. Baird Financial Group Inc. boosted its stake in Monolithic Power Systems by 10.3% during the second quarter. Baird Financial Group Inc. now owns 81,895 shares of the semiconductor company’s stock worth $113,210,000 after buying an additional 7,624 shares during the period. Generate Investment Management Ltd increased its position in Monolithic Power Systems by 45.8% during the third quarter. Generate Investment Management Ltd now owns 5,719 shares of the semiconductor company’s stock valued at $7,705,000 after acquiring an additional 1,797 shares during the last quarter. Westwind Capital purchased a new stake in shares of Monolithic Power Systems in the third quarter valued at $1,784,000. Ameritas Advisory Services LLC raised its stake in shares of Monolithic Power Systems by 773.4% in the second quarter. Ameritas Advisory Services LLC now owns 1,677 shares of the semiconductor company’s stock valued at $2,318,000 after acquiring an additional 1,485 shares during the period. Finally, Wedmont Private Capital lifted its holdings in shares of Monolithic Power Systems by 68.0% in the 3rd quarter. Wedmont Private Capital now owns 2,006 shares of the semiconductor company’s stock worth $2,748,000 after acquiring an additional 812 shares during the last quarter. 93.46% of the stock is currently owned by hedge funds and other institutional investors.

Wall Street Analysts Forecast Growth

A number of equities analysts recently commented on the stock. Raymond James Financial reaffirmed an “outperform” rating on shares of Monolithic Power Systems in a research note on Wednesday, August 12th. Wall Street Zen upgraded shares of Monolithic Power Systems from a “hold” rating to a “buy” rating in a report on Sunday, October 25th. Rosenblatt Securities raised shares of Monolithic Power Systems from a “neutral” rating to a “buy” rating and increased their price objective for the stock from $1,575.00 to $1,700.00 in a research report on Friday, October 30th. Weiss Ratings raised shares of Monolithic Power Systems from a “hold (c)” rating to a “hold (c+)” rating in a research note on Thursday, October 8th. Finally, Oppenheimer decreased their price objective on shares of Monolithic Power Systems from $1,700.00 to $1,500.00 and set an “outperform” rating for the company in a research note on Friday, October 23rd. Fourteen analysts have rated the stock with a Buy rating and two have given a Hold rating to the company. According to MarketBeat, the stock currently has a consensus rating of “Moderate Buy” and an average target price of $1,783.77.

Check Out Our Latest Stock Analysis on Monolithic Power Systems

Trending Headlines about Monolithic Power Systems

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

Positive Sentiment: MPWR’s third-quarter earnings and revenue beat estimates, with results supported by demand for AI infrastructure and communications products. The company also raised growth expectations and is expanding capacity. MPWR Q3 Earnings Beat on AI Infrastructure and Communications Demand
Positive Sentiment: AI-related momentum is also reflected in the company’s Enterprise Data business, with sales reportedly surging 164.6% and demand for power modules increasing. Rising earnings estimates and capacity investment add to the growth case. MPWR’s AI Power Boom Accelerates as Enterprise Data Sales Surge 164.6%
Positive Sentiment: Monolithic Power ranked seventh on a list of large-cap technology stocks backed by billionaire investors, which may reinforce investor interest, though the ranking itself is not a company-specific catalyst. 25 Billionaire Investors Back This Large Cap Tech Stock: Is It a Buy?
Negative Sentiment: Rosen Law Firm announced an investigation into potential fiduciary-duty breaches by company directors and officers. The announcement does not establish wrongdoing, but it could create a near-term headline overhang. Rosen Law Firm Announces Investigation
Negative Sentiment: Valuation remains a risk: MPWR recently fell despite strong AI demand and rising estimates, and its premium multiple and operating risks may limit upside. Growing reliance on data-center demand also increases exposure to that market’s cycles. MPWR Fell 15.9% in the Past Month. Is the Weakness a Buying Chance?

Insider Buying and Selling

In related news, Director Kuo Wei Chang sold 50 shares of the firm’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 transaction, the director owned 515 shares of the company’s stock, valued at $660,008.55. This trade represents a 8.85% decrease in their position. The transaction was disclosed in a filing with the SEC, which is accessible through the SEC website. 3.60% of the stock is owned by corporate insiders.

Monolithic Power Systems Stock Up 6.8%

Shares of Monolithic Power Systems stock opened at $1,328.30 on Wednesday. The stock’s fifty day moving average is $1,274.12 and its two-hundred day moving average is $1,313.34. Monolithic Power Systems, Inc. has a 52 week low of $833.18 and a 52 week high of $1,714.09. The company has a market capitalization of $65.27 billion, a PE ratio of 73.35 and a beta of 1.71.

Monolithic Power Systems (NASDAQ:MPWR – Get Free Report) last released its earnings results on Thursday, October 29th. The semiconductor company reported $8.19 earnings per share for the quarter, topping the consensus estimate of $7.79 by $0.40. Monolithic Power Systems had a return on equity of 25.23% and a net margin of 23.85%. The business had revenue of $1.20 billion during the quarter, compared to the consensus estimate of $1.16 billion. During the same period last year, the company earned $4.73 earnings per share. The business’s revenue for the quarter was up 63.1% compared to the same quarter last year. As a group, research analysts anticipate that Monolithic Power Systems, Inc. will post 24.23 earnings per share for the current year.

Monolithic Power Systems Announces Dividend

The business also recently declared a quarterly dividend, which was paid on Thursday, October 15th. Stockholders of record on Wednesday, September 30th were issued a $2.00 dividend. The ex-dividend date was Wednesday, September 30th. This represents a $8.00 dividend on an annualized basis and a dividend yield of 0.6%. Monolithic Power Systems’s dividend payout ratio is presently 44.17%.

Monolithic Power Systems Profile

(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.