Monolithic Power Systems Inc. ($MPWR) Stock Forecast: Down 5.3% Today

What is Monolithic Power Systems Inc.?

Monolithic Power Systems (MPWR) is a semiconductor solutions provider that has experienced significant growth and strong performance recently. The company achieved record revenue in Q3 2025, fueled by cyclical recovery and content growth in non-enterprise data center segments.

Why is Monolithic Power Systems Inc. going down?

MPWR stock is down 5.3% on Dec 17, 2025 20:56

• The decline in MPWR's stock today may be due to profit-taking by investors following a notable 26% increase post-Q3 results.
• A partnership announcement between Fortinet and Arista Networks regarding a Secure AI Data Center solution could have raised concerns among investors about potential competition for MPWR in the AI infrastructure sector.
• Despite the recent stock movement, MPWR maintains a positive long-term outlook, supported by its solid performance, revenue growth, and recognition from investment firms like TimesSquare Capital Management.
• Investors are likely monitoring how MPWR adapts to the shifting landscape of AI infrastructure solutions and its ability to leverage strengths in specialized components and non-enterprise data center segments.

MPWR Price Chart

MPWR Technical Analysis

MPWR News

Fortinet and Arista Networks Announce Joint Secure AI Data Center Solution

Fortinet and Arista Networks have partnered to introduce a joint Secure AI Data Center solution, designed to address the unique challenges of AI infrastructure. This collaboration provides a validated, scalable, and zero-trust architecture combining Fortinet's security expertise with Arista Networks' high-performance networking, as demonstrated by early adopter Monolithic Power Systems. The solution aims to accelerate AI adoption by offering enhanced security, optimized performance, and operational simplicity, thereby reducing costs and risks associated with AI deployments.

https://finance.yahoo.com/news/fortinet-arista-networks-announce-joint-140000760.html

Fortinet and Arista Networks Announce Joint Secure AI Data Center Solution

Fortinet and Arista Networks have partnered to introduce a Secure AI Data Center solution, designed to provide a validated, scalable, zero-trust architecture for AI data centers. This collaboration aims to address challenges in AI infrastructure, such as security, performance, and operational complexity, by integrating best-of-breed networking and security solutions. The joint offering provides a modular, high-performance, and secure blueprint for scaling AI deployments with confidence.

https://investingnews.com/fortinet-and-arista-networks-announce-joint-secure-ai-data-center-solution/

Fortinet and Arista Networks Announce Joint Secure AI Data Center Solution

Fortinet and Arista Networks have partnered to create a Secure AI Data Center solution, combining advanced networking and security to provide a validated, scalable, zero-trust architecture for AI infrastructure. This collaboration aims to address the challenges of securing and operationalizing AI, offering hyperscale performance, accelerated deployments, and robust security. Monolithic Power Systems (MPS) has already deployed this integrated solution, demonstrating its effectiveness in managing compute-intensive AI workloads securely and efficiently.

https://www.globenewswire.com/news-release/2025/12/17/3207017/0/en/Fortinet-and-Arista-Networks-Announce-Joint-Secure-AI-Data-Center-Solution.html

Strong Results Boosted Monolithic Power Systems (MPWR) in Q3

Monolithic Power Systems (MPWR) saw a significant boost in Q3, with TimesSquare Capital's U.S. Focus Growth Strategy highlighting the company's strong performance. The semiconductor solutions provider reported record revenue of $737.2 million, an increase of 18.9% from Q3 2024, driven by a cyclical recovery and content growth in non-enterprise data center segments. Shares have gained 50.57% over the last 52 weeks, closing at $946.51 on December 12, 2025.

https://finviz.com/news/253918/strong-results-boosted-monolithic-power-systems-mpwr-in-q3

Strong Results Boosted Monolithic Power Systems (MPWR) in Q3

Monolithic Power Systems, Inc. (NASDAQ: MPWR) saw strong results in Q3 2025, with revenues reaching a record $737.2 million, surpassing previous quarters. This performance led to a 26% stock increase and contributed to a 50.57% gain over the last 52 weeks. TimesSquare Capital Management highlighted MPWR in its Q3 investor letter, noting the company's critical role in specialized components for various applications and its benefit from cyclical recovery and content growth in non-enterprise data center segments.

https://uk.finance.yahoo.com/news/strong-results-boosted-monolithic-power-131401193.html

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Monolithic Power Systems Inc. Price History

28.07.2024 - MPWR Stock was up 5.9%

• Deming Xiao, EVP at Monolithic Power Systems, disclosed a significant insider sell of $9.50M in MPWR stock.
• Despite the insider sell, Monolithic Power Systems shares are up by 2.42%.
• The strong bullish movement could be attributed to positive market sentiment towards the company's revenue growth and its mission to reduce total energy consumption in various end markets.

03.08.2024 - MPWR Stock was down 5.1%

• Following a recent uptrend in Monolithic Power Systems' stock, today's bearish trend could be linked to a surge in options trading activities. Notably, there were 13 options transactions, predominantly taking a bearish stance on the company, within a price range of $800.0 to $1050.0 by significant investors.
• The divergence between the recent stock performance and the bearish options activities points towards conflicting short-term perspectives on Monolithic Power Systems, likely contributing to the negative market movement witnessed today.

24.06.2024 - MPWR Stock was down 5.2%

• The bearish movement in MPWR stock could be attributed to a comprehensive industry comparison focusing on NVIDIA's performance against its peers in the semiconductor sector.
• Investors might be concerned about potential competition from NVIDIA, a key player in the GPU market, as they expand into AI GPUs and data center networking solutions.
• The market might be reacting to an analysis indicating NVIDIA's strong market position and growth potential, raising questions about MPWR's competitiveness in the evolving semiconductor landscape.
• The comparison highlighting NVIDIA's advancements in AI technology and software platforms could be signaling a shift in investor sentiment towards companies with a stronger foothold in emerging technologies, impacting MPWR's stock performance negatively.

17.06.2024 - MPWR Stock was down 5.8%

• MPWR possibly saw a bearish trend, prompted by investor concerns over potentially weaker second-quarter financial results.
• The comparison between TSMC and other industry competitors underscores the fierce competition in the semiconductor market, raising questions about MPWR's market position and growth prospects.
• The upcoming earnings report from MPWR is expected to influence market sentiment, with investors adjusting their positions based on performance expectations.
• The negative market attitude towards MPWR today may be attributed to the competitive semiconductor landscape and the emphasis on financial indicators in the industry.

30.06.2024 - MPWR Stock was down 5.4%

• Today, MPWR exhibited bearish movement possibly due to the intensified competition within the semiconductor sector, as mentioned in an analysis.
• A detailed comparison of Qualcomm with rivals might have sparked investor worries about MPWR's market standing, prompting a stock sell-off.
• Investors appear to be reassessing their investments in semiconductor firms, contributing to a general trend of selling off semiconductor stocks, including MPWR.

05.07.2024 - MPWR Stock was up 6.0%

• MPWR had a strong bullish movement today.
• The company released Q2 earnings that beat estimates, showcasing an increase in profit from last year.
• Additionally, Monolithic Power Systems forecasted third-quarter revenue above estimates, attributing the positive outlook to the growing demand for its power control solutions in the AI sector.
• The combination of exceeding profit expectations and a promising revenue forecast likely contributed to the bullish movement in MPWR's stock price.

13.07.2024 - MPWR Stock was up 5.2%

• The bullish movement in MPWR's stock could be attributed to the positive sentiment generated by the company's EVP selling over $668k in stock. This could indicate confidence in the company's future performance.
• Investors may view the EVP's stock sale as a normal part of portfolio diversification or financial planning, rather than a signal of underlying issues within the company.
• The market likely interpreted the EVP's stock sale as a personal financial decision rather than a reflection of Monolithic Power Systems' current or future performance, leading to the bullish movement in the stock price today.

06.07.2024 - MPWR Stock was up 5.2%

• Monolithic Power Systems has significantly outperformed the market over the past decade, with an impressive annualized return.
• The company's second-quarter profit exceeded expectations, showcasing strong financial performance.
• Positive forecasts for third-quarter revenue indicate a continued upward trajectory for the stock.
• The bullish movement could be attributed to the company's consistent growth, strong financial results, and optimistic future outlook, especially in the AI sector.

17.11.2025 - MPWR Stock was down 5.3%

• The decline in MPWR's stock today may be due to profit-taking by investors following a notable 26% increase post-Q3 results.
• A partnership announcement between Fortinet and Arista Networks regarding a Secure AI Data Center solution could have raised concerns among investors about potential competition for MPWR in the AI infrastructure sector.
• Despite the recent stock movement, MPWR maintains a positive long-term outlook, supported by its solid performance, revenue growth, and recognition from investment firms like TimesSquare Capital Management.
• Investors are likely monitoring how MPWR adapts to the shifting landscape of AI infrastructure solutions and its ability to leverage strengths in specialized components and non-enterprise data center segments.

15.07.2024 - MPWR Stock was up 5.6%

• News of Monolithic Power Systems' EVP selling over $668k in company stock might have sparked initial investor concerns. However, MPWR's overall positive performance might be attributed to the following:
• The EVP's stock sale does not necessarily indicate a lack of faith in the company but could be a personal financial choice.
• Investors seem to be focusing on the company's strong fundamentals and growth prospects, leading to increased buying interest.
• Market caution, as indicated, could prompt some investors to reassess their holdings, potentially favoring financially strong companies like Monolithic Power Systems.
• Despite concerns of a market downturn, MPWR's standing in the semiconductor industry and its growth potential appear to overshadow any short-term selling pressures stemming from the EVP's transactions.

15.07.2024 - MPWR Stock was up 6.1%

• The bullish movement in MPWR stock today could be attributed to positive industry comparisons showing the company's strength against its competitors in the semiconductor sector.
• The news of an EVP selling over $668k in company stock might have initially caused some uncertainty among investors, but the market quickly rebounded as the company's fundamentals remained strong.
• Despite concerns about overvaluation in high P/E ratio stocks, MPWR's solid financial performance and innovative products likely contributed to investor confidence and the bullish movement in the stock.
• While some investors may have been spooked by the overall market sentiment, MPWR's resilience and strong position in the semiconductor industry helped drive the stock's positive performance today.

17.11.2025 - MPWR Stock was down 3.5%

• Despite the positive performance and revenue growth in Q3, Monolithic Power Systems (MPWR) faced a bearish market movement today.
• The partnership between Fortinet and Arista Networks to introduce a joint Secure AI Data Center solution, with MPWR as an early adopter, may have sparked concerns among investors about competition or market dynamics.
• Market reactions to profit-taking behavior after significant stock gains over the past year could be contributing to the temporary decline in MPWR's stock price.
• Monitoring MPWR's response to market movements and potential shifts in investor sentiment related to recent developments in the AI infrastructure space is crucial.