Monolithic Power Systems (NASDAQ:MPWR) Stock Acquired Sen. Markwayne Mullin

Senator Markwayne Mullin (R-Oklahoma) recently bought shares of Monolithic Power Systems, Inc. (NASDAQ:MPWR). In a filing disclosed on February 04th, the Senator disclosed that they had bought between $15,001 and $50,000 in Monolithic Power Systems stock on January 5th.

Senator Markwayne Mullin also recently made the following trade(s):

• Purchased $15,001 – $50,000 in shares of McKesson (NYSE:MCK) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of Stride (NYSE:LRN) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of APi Group (NYSE:APG) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of Adobe (NASDAQ:ADBE) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of Carpenter Technology (NYSE:CRS) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of Amkor Technology (NASDAQ:AMKR) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of Citigroup (NYSE:C) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of VSE (NASDAQ:VSEC) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of FirstCash (NASDAQ:FCFS) on 1/5/2026.
• Purchased $15,001 – $50,000 in shares of Deere & Company (NYSE:DE) on 12/29/2025.

Monolithic Power Systems Stock Down 2.4%

Shares of NASDAQ:MPWR opened at $1,136.83 on Thursday. Monolithic Power Systems, Inc. has a fifty-two week low of $438.86 and a fifty-two week high of $1,226.30. The firm’s 50 day moving average price is $993.76 and its 200 day moving average price is $927.63. The stock has a market cap of $54.47 billion, a price-to-earnings ratio of 29.03, a price-to-earnings-growth ratio of 3.27 and a beta of 1.45.

Monolithic Power Systems Announces Dividend

The company also recently announced a quarterly dividend, which was paid on Thursday, January 15th. Investors of record on Wednesday, December 31st were paid a dividend of $1.56 per share. This represents a $6.24 dividend on an annualized basis and a dividend yield of 0.5%. The ex-dividend date was Wednesday, December 31st. Monolithic Power Systems’s dividend payout ratio is presently 15.93%.

Insider Activity

In other Monolithic Power Systems news, EVP Saria Tseng sold 20,000 shares of the firm’s stock in a transaction on Wednesday, November 26th. The shares were sold at an average price of $926.47, for a total transaction of $18,529,400.00. Following the transaction, the executive vice president directly owned 187,331 shares of the company’s stock, valued at approximately $173,556,551.57. This trade represents a 9.65% decrease in their position. The sale was disclosed in a document filed with the SEC, which is available at the SEC website. Also, EVP Maurice Sciammas sold 3,976 shares of the company’s stock in a transaction dated Monday, November 24th. The shares were sold at an average price of $895.23, for a total transaction of $3,559,434.48. Following the completion of the sale, the executive vice president directly owned 144,330 shares of the company’s stock, valued at $129,208,545.90. The trade was a 2.68% decrease in their ownership of the stock. Additional details regarding this sale are available in the official SEC disclosure. Insiders have sold 69,776 shares of company stock worth $63,489,045 over the last 90 days. 3.40% of the stock is owned by corporate insiders.

Monolithic Power Systems News Summary

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

• Positive Sentiment: Stifel raised its price target to $1,300 and maintained a “buy” rating, signaling continued analyst confidence and potential upside. Stifel price target raise
• Positive Sentiment: Company narrative emphasizes growth drivers in AI, data centers and automotive power electronics, plus a plan to return cash to shareholders — factors that support longer-term revenue and margin expansion. Yahoo Finance: AI, auto growth, returning cash
• Neutral Sentiment: Multiple earnings previews (Benzinga, Zacks, MSN) highlight upcoming Q4 results and analyst metric checks — these set expectations but outcomes will drive near-term moves. Benzinga earnings preview
• Neutral Sentiment: Analyst previews from Zacks note the sector tailwinds (AI, data center, auto) that could lift the quarter — supportive context but dependent on Monolithic’s execution vs. expectations. Zacks: sector outlook
• Negative Sentiment: CFO Theodore Blegen sold 3,000 shares (~$3.4M), reducing his stake ~4.4% — an insider sale that can trigger short-term selling pressure or investor concern about near-term liquidity needs. SEC filing: insider sale

Institutional Trading of Monolithic Power Systems

A number of hedge funds and other institutional investors have recently made changes to their positions in MPWR. SJS Investment Consulting Inc. grew its stake in Monolithic Power Systems by 2,700.0% during the 3rd quarter. SJS Investment Consulting Inc. now owns 28 shares of the semiconductor company’s stock worth $26,000 after buying an additional 27 shares during the last quarter. True Wealth Design LLC boosted its holdings in shares of Monolithic Power Systems by 61.1% in the third quarter. True Wealth Design LLC now owns 29 shares of the semiconductor company’s stock valued at $26,000 after acquiring an additional 11 shares during the period. Salomon & Ludwin LLC purchased a new position in shares of Monolithic Power Systems during the third quarter worth approximately $33,000. Thurston Springer Miller Herd & Titak Inc. acquired a new position in shares of Monolithic Power Systems in the 4th quarter valued at $34,000. Finally, IFP Advisors Inc raised its position in Monolithic Power Systems by 171.4% in the 3rd quarter. IFP Advisors Inc now owns 38 shares of the semiconductor company’s stock valued at $35,000 after purchasing an additional 24 shares during the last quarter. Institutional investors and hedge funds own 93.46% of the company’s stock.

Analyst Ratings Changes

MPWR has been the topic of a number of analyst reports. TD Cowen restated a “buy” rating on shares of Monolithic Power Systems in a report on Friday, October 31st. Wolfe Research set a $1,200.00 price target on Monolithic Power Systems and gave the company an “outperform” rating in a research note on Tuesday, October 14th. Wells Fargo & Company lifted their price target on Monolithic Power Systems from $1,125.00 to $1,200.00 and gave the stock an “overweight” rating in a report on Monday, January 26th. Rosenblatt Securities increased their price objective on Monolithic Power Systems from $800.00 to $950.00 and gave the company a “neutral” rating in a report on Friday, October 31st. Finally, Weiss Ratings reissued a “buy (b-)” rating on shares of Monolithic Power Systems in a research report on Friday, December 26th. One equities research analyst has rated the stock with a Strong Buy rating, twelve have assigned a Buy rating and one has issued a Hold rating to the company’s stock. Based on data from MarketBeat.com, the stock currently has an average rating of “Buy” and a consensus price target of $1,152.08.

About Senator Mullin

Markwayne Mullin (Republican Party) is a member of the U.S. Senate from Oklahoma. He assumed office on January 11, 2023. His current term ends on January 3, 2027. Mullin (Republican Party) ran in a special election to the U.S. Senate to represent Oklahoma. He won in the special general election on November 8, 2022. Mullin is a member of the Cherokee Nation and one of four Native American members of the 116th Congress. At the age of 20, Mullin took over his father’s plumbing business. He is also a former professional mixed martial artist. Markwayne Mullin graduated from Stilwell High School. Mullin earned an associate degree in construction technology from Oklahoma State University Institute of Technology. His career experience includes owning and founding multiple businesses.

Monolithic Power Systems Company Profile

Monolithic Power Systems (NASDAQ: MPWR) is a fabless semiconductor company that designs and supplies high-performance power management solutions for a broad range of electronic systems. Founded in 1997 and headquartered in Kirkland, Washington, the company focuses on analog and mixed-signal integrated circuits that convert, regulate and monitor electrical power with an emphasis on efficiency, integration and power density.

MPS’s product portfolio includes DC‑DC switching regulators, power modules, power management ICs (PMICs), LED drivers, battery-management ICs, motor drivers, and AC‑DC power solutions.