Monolithic Power Systems Inc. ($MPWR) Stock Forecast: Up 5.4% Today

What is Monolithic Power Systems Inc.?

Monolithic Power Systems, Inc. (MPWR) is a semiconductor company listed on the NASDAQ. The company reported strong Q1 earnings with a 26.1% year-over-year revenue growth, beating analyst expectations.

Why is Monolithic Power Systems Inc. going up?

MPWR stock is up 5.4% on May 20, 2026 14:01

• ProShare Advisors LLC significantly increased its stake in MPWR by 291.9% in Q4, now holding 99,461 shares valued at $90.1 million, indicating strong confidence in the company's future performance.
• Despite some insider selling by executives, the North Dakota State Investment Board purchased 1,586 shares, aligning with positive analyst sentiment and the company's strong quarterly earnings report.
• Handelsbanken Fonder AB reduced its stake in MPWR by 4.5% in Q4, selling 1,658 shares, but other institutional investors increased their holdings, reflecting mixed sentiments within the investor community.
• EVP Maurice Sciammas sold 12,000 shares of MPWR stock for approximately $18.7 million, reducing his ownership by 6.72%. This insider selling, despite the strong earnings report, may have contributed to some short-term volatility in the stock price.

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MPWR Technical Analysis

MPWR News

Monolithic Power Systems, Inc. $MPWR Shares Bought by ProShare Advisors LLC

ProShare Advisors LLC significantly increased its stake in Monolithic Power Systems (NASDAQ:MPWR) by 291.9% in Q4, now holding 99,461 shares valued at $90.1 million. The semiconductor company also saw strong Q1 earnings, beating analyst expectations with 26.1% year-over-year revenue growth, although some directors recently sold shares. Analysts maintain a "Moderate Buy" rating with a consensus price target of $1,599.17.

https://www.marketbeat.com/instant-alerts/filing-monolithic-power-systems-inc-mpwr-shares-bought-by-proshare-advisors-llc-2026-05-20/

1,586 Shares in Monolithic Power Systems, Inc. $MPWR Purchased by North Dakota State Investment Board

The North Dakota State Investment Board has acquired 1,586 shares of Monolithic Power Systems (NASDAQ:MPWR) in the fourth quarter, valued at approximately $1.44 million. This purchase aligns with generally positive analyst sentiment, as the stock holds a "Moderate Buy" consensus and an average price target of $1,599.17. The semiconductor company recently reported strong quarterly earnings, surpassing both EPS and revenue estimates, though some insider selling by executives was also noted.

https://www.marketbeat.com/instant-alerts/filing-1586-shares-in-monolithic-power-systems-inc-mpwr-purchased-by-north-dakota-state-investment-board-2026-05-20/

Monolithic Power Systems, Inc. $MPWR Shares Sold by Handelsbanken Fonder AB

Handelsbanken Fonder AB reduced its stake in Monolithic Power Systems (NASDAQ:MPWR) by 4.5% in the fourth quarter, selling 1,658 shares and now owning 35,115 shares valued at $31.83 million. Despite this, other institutional investors increased their holdings, and insiders have recently sold a substantial amount of shares. Monolithic Power Systems reported strong Q4 earnings, beating analyst estimates for both EPS and revenue, and analysts currently maintain a "Moderate Buy" rating for the stock.

https://www.marketbeat.com/instant-alerts/filing-monolithic-power-systems-inc-mpwr-shares-sold-by-handelsbanken-fonder-ab-2026-05-20/

Insider Selling: Monolithic Power Systems (NASDAQ:MPWR) EVP Sells 12,000 Shares of Stock

Monolithic Power Systems (NASDAQ:MPWR) EVP Maurice Sciammas sold 12,000 shares of the company's stock for approximately $18.7 million on May 15, reducing his ownership by 6.72%. Despite this insider selling, the company reported strong first-quarter earnings, beating revenue and EPS estimates. Analysts maintain a "Moderate Buy" consensus rating with an average target price of $1,599.17.

https://www.marketbeat.com/instant-alerts/insider-selling-monolithic-power-systems-nasdaqmpwr-evp-sells-12000-shares-of-stock-2026-05-19/

Monolithic Power (NASDAQ: MPWR) EVP sells 12,000 shares under 10b5-1 plan

Monolithic Power Systems EVP Maurice Sciammas reported selling 12,000 shares of common stock on May 15, 2026, under a pre-arranged Rule 10b5-1 trading plan adopted in November 2025. The shares were sold in multiple transactions at prices ranging from approximately $1,550 to $1,586 per share. Following these sales, Sciammas directly holds 174,903 shares, in addition to significant indirect holdings through various family trusts and related accounts.

https://www.stocktitan.net/sec-filings/MPWR/form-4-monolithic-power-systems-inc-insider-trading-activity-feac8969c70d.html

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Monolithic Power Systems Inc. Price History

17.03.2026 - MPWR Stock was up 5.1%

• Following impressive earnings and optimistic forecasts from Taiwan Semiconductor Manufacturing Co. (TSMC), which marked a 58% surge in quarterly profit due to high demand for AI-related computing chips, MPWR stock experienced a surge.
• TSMC's positive updates strengthened investor trust in the semiconductor sector, leading to a significant rise in MPWR shares.
• The optimistic outlook in the chip market, propelled by TSMC's strong performance and the increasing demand for AI technology, influenced the upward movement of MPWR stock.
• The market's anticipation of Monolithic Power Systems' forthcoming first-quarter 2026 financial results might have also sparked investor enthusiasm, contributing to the positive trajectory of the stock.

18.04.2026 - MPWR Stock was down 5.1%

• MPWR stock responded negatively to the broader downturn in semiconductor stocks post the U.S.-China summit, where semiconductor sales to China were not addressed, resulting in investor disappointment and selling pressure.
• Despite robust earnings and revenue, the stock may have retreated from peak levels as investors reevaluate its valuation and growth prospects in a competitive market.
• The increased stake by iA Global Asset Management Inc. in Q4 might have initially increased confidence in MPWR, but the prevailing market sentiment towards semiconductor stocks overshadowed this positive development.
• The company's involvement in AI data centers and automotive markets, while promising, also exposes it to typical semiconductor-cycle risks, contributing to the bearish movement.

13.04.2026 - MPWR Stock was up 5.4%

• The bullish movement in MPWR can be attributed to the overall positive sentiment in the semiconductor industry, with companies like MPWR benefiting from increased investor optimism and momentum in the sector.
• Despite concerns raised by an investigation into potential breaches of fiduciary duties by MPWR's directors and officers, the stock surged due to strong Q1 earnings that beat estimates.
• The trimming of stock position by an asset management company did not deter investors, as analysts maintain a "Moderate Buy" rating for MPWR with a high average price target, indicating confidence in the company's future performance.
• The surge in MPWR shares, despite being considered overvalued by an investment analysis platform, can be seen as a reflection of the market's focus on profitability and growth potential rather than immediate valuation concerns.

13.04.2026 - MPWR Stock was up 6.7%

• Despite insider selling actions by Director Jeff Zhou and EVP Deming Xiao, MPWR's stock price surged, likely due to robust financial performance, including an EPS of $5.10 and a 26.1% year-over-year revenue growth.
• Analysts have reiterated a "Moderate Buy" rating on MPWR, with price target upgrades from Wells Fargo and Needham, indicating sustained positive outlook for the company.
• An investigation initiated by the Rosen Law Firm regarding potential breaches of fiduciary duties by MPWR's executives may have caused some initial uncertainty, but overall market sentiment appears unaffected.
• Swiss Life Asset Management Ltd reducing its stock position in MPWR by 10.8% in Q4 did not impede the overall bullish trend, as the stock continued to trade near its 12-month peak post strong Q1 earnings that surpassed expectations.

30.03.2026 - MPWR Stock was up 5.0%

• MPWR revealed its 2026 proxy statement, highlighting robust financial performance in 2025 and intentions to boost dividends, leading to increased investor confidence.
• Institutional investors such as Vanguard Capital Management and Wealthfront Advisers LLC disclosed substantial holdings in MPWR, signaling their trust in the company's future.
• Despite recent insider trade activities and a relatively high price-to-earnings ratio, analysts continue to recommend a "Moderate Buy" rating with a consensus price target, indicating optimism towards MPWR.
• On Wednesday, MPWR demonstrated superior performance compared to its industry peers, even on a day where the overall market saw marginal declines, demonstrating resilience and potential strength in MPWR's stock.

16.03.2026 - MPWR Stock was up 5.2%

• Anticipation is growing among investors for the release of Monolithic Power Systems' first quarter 2026 financial results.
• The company's decision to host a Q&A webinar to discuss the results and future prospects indicates a transparent approach and proactive communication, which could bolster investor confidence.
• Positive market sentiment towards MPWR today may be influenced by the company's track record of strong earnings and dividend growth.
• The stock's upward movement is likely driven by the optimistic expectations for the upcoming financial results and MPWR's proactive investor relations efforts.

24.03.2026 - MPWR Stock was up 5.3%

• The upward trend in MPWR's stock price is linked to its robust fourth-quarter 2025 earnings, which surpassed analyst projections, fostering heightened investor confidence and optimism.
• Analysts revising their price targets for MPWR reflect a positive stance on the company's growth opportunities and market positioning, notwithstanding concerns about potential overvaluation.
• Despite internal selling, the increased investment by Universal Beteiligungs und Servicegesellschaft mbH signals ongoing trust in MPWR's performance and future profit potential.
• On the other hand, Copeland Capital Management LLC diminishing its holdings, despite surpassing earnings and greater dividends, may point to profit collection or a more cautious strategy due to the stock hovering near its yearly peak.

07.04.2026 - MPWR Stock was down 5.0%

• Despite reporting strong earnings for the April quarter and receiving positive analyst ratings, Monolithic Power Systems, Inc. ($MPWR) witnessed a bearish movement in its stock today.
• The decline in stock value could be linked to notable insider selling activity, as directors and executives have recently sold off a substantial amount of shares.
• Institutional investors maintain a substantial ownership stake of 93.46%, but the consistent insider selling has raised investor concerns and impacted the stock's performance negatively.
• The conflicting trends of institutional investors increasing their holdings while insiders are divesting shares have introduced uncertainty in the market, potentially contributing to the bearish movement in Monolithic Power Systems' stock today.

19.04.2026 - MPWR Stock was down 5.7%

• A key figure in MPWR filed a Form 144 indicating a proposed sale of common stock, potentially raising concerns among investors.
• The semiconductor sector, including MPWR, faced a sell-off triggered by news of a potential strike at a major competitor and a stake sale by another key player, coupled with supply chain risks and valuation concerns.
• Despite recent volatility and previous disappointments, MPWR had shown significant year-to-date growth, suggesting long-term investor confidence despite the current downturn.
• The market movement could be influenced by broader industry trends and specific company actions, leading to a bearish sentiment towards MPWR today.

28.03.2026 - MPWR Stock was down 5.2%

• The decline in MPWR's stock value today may be linked to the broader semiconductor sector downturn. Geopolitical tensions between the US and China in the AI industry, supply chain disruptions, and escalating raw material expenses likely affected investor sentiment.
• Despite favorable projections for MPWR's earnings and growth opportunities, external factors seem to be overshadowing the company's potential, resulting in the current bearish trend.
• Concerns about the uncertain landscape of US-China relations in the AI domain and its potential impact on companies like MPWR could be prompting investors to react, leading to a temporary decrease in the stock price.

12.04.2026 - MPWR Stock was down 5.0%

• MPWR shares surged 3.8% but are considered overvalued, with insider selling raising concerns about future performance.
• Despite gains in the semiconductor industry and increased investor optimism, MPWR's overvaluation and insider selling likely contributed to the bearish movement.
• The stock outperformed competitors on a strong trading day, but the bearish movement could be a correction following recent gains.
• The mixed sentiment from insider selling, coupled with concerns over valuation, may have led investors to take profits, causing the bearish movement in MPWR today.

20.04.2026 - MPWR Stock was up 5.4%

• ProShare Advisors LLC significantly increased its stake in MPWR by 291.9% in Q4, now holding 99,461 shares valued at $90.1 million, indicating strong confidence in the company's future performance.
• Despite some insider selling by executives, the North Dakota State Investment Board purchased 1,586 shares, aligning with positive analyst sentiment and the company's strong quarterly earnings report.
• Handelsbanken Fonder AB reduced its stake in MPWR by 4.5% in Q4, selling 1,658 shares, but other institutional investors increased their holdings, reflecting mixed sentiments within the investor community.
• EVP Maurice Sciammas sold 12,000 shares of MPWR stock for approximately $18.7 million, reducing his ownership by 6.72%. This insider selling, despite the strong earnings report, may have contributed to some short-term volatility in the stock price.