MPWR Monolithic Power Systems Inc

P/E 106.4
Forward P/E 61.35
Price/Sales 24.61
Beta 1.691
Div Yield 0.004%
Market Cap --

Company Analysis

Latest News

Monolithic Power Systems restates financials, citing $195 million tax error

Monolithic Power Systems restates financials, citing $195 million tax error

Monolithic Power Systems (MPWR) will restate its financial statements for fiscal year 2024 and all 2025 quarterly periods. The company identified a non-cash...

🟢 Monolithic Power Systems Inc is trading 5.3% up today as semiconductor stocks rebound from last week's selloff

Monolithic Power Systems Inc is trading at $1,558.89 (+5.26%) as semiconductor stocks rebound following a sharp selloff last week. • The move aligns with a...

🟢 Monolithic Power Systems Inc is trading 4.1% up today as semiconductor shares rebound from last week’s selloff

Monolithic Power Systems Inc is trading at $1,541.49 (+4.08%) as semiconductor stocks rebound following a significant sector-wide decline last week. • The...

🟢 Monolithic Power Systems Inc is trading 5.33% up today as semiconductor shares rebound from last week’s sector selloff

Monolithic Power Systems Inc is trading at $1,560.00 (+5.33%) in pre-market as semiconductor stocks rebound from last week's sector-wide selloff. • The move...

🟢 Monolithic Power Systems Inc is trading 4.7% up today as semiconductor stocks rebound from last week's selloff

Monolithic Power Systems Inc is trading 4.7% up at $1,551.22 in pre-market, rebounding after last week’s semiconductor sector selloff tied to Broadcom’s AI...

🔴 Monolithic Power Systems Inc is trading 6.25% down today amid a semiconductor selloff following Broadcom’s AI outlook

Monolithic Power Systems Inc is trading 6.25% down at $1,549.37 as semiconductor stocks face a sharp selloff following Broadcom’s disappointing AI outlook. •...

🔴 Monolithic Power Systems Inc is trading 4.3% down today as Broadcom's weak outlook pressures semiconductor stocks

Monolithic Power Systems Inc is trading 4.3% down at $1,617.42 following a sharp sector selloff across the semiconductor industry. • Broadcom’s weak...

🟢 Monolithic Power Systems Inc is trading 4.2% up today on AI data center power demand

Monolithic Power Systems Inc is trading 4.2% up now at $1607.72, extending a powerful 2026 rally fueled by demand for its power solutions in AI data centers...

🟢 Monolithic Power Systems Inc is trading 4.2% up today on continued demand for AI infrastructure power solutions

Monolithic Power Systems Inc is trading at $1607.72, up 4.2%, extending its strong AI-driven advance as demand for power management solutions in AI...

🔴 MPWR is trading 4.2% down today on no clear catalyst

MPWR is trading 4.2% down at $1564.01 today, with the decline appearing idiosyncratic as no clear company-specific news or catalysts have been identified. •...

🟢 MPWR is trading 5.5% up today on strong Q1 results and AI infrastructure demand

MPWR is trading 5.5% up at $1754.50 in pre-market, extending its recent rally driven by strong Q1 results and robust AI infrastructure demand. • The stock has...

🟢 MPWR is trading 6.6% up today on AI infrastructure demand and strong Q1 earnings

MPWR is trading 6.6% up today at $1695.38 as investors continue to reward the company's role in AI infrastructure and recent earnings strength. • The stock...

🟢 MPWR is trading 5.2% up today on increased institutional ownership and AI-driven growth optimism

MPWR is trading 5.2% higher at $1544.85 as recent filings reveal a surge in institutional ownership, signaling strong confidence in the company's AI and...

MPWR Sees Increased Institutional Interest Amid Overvaluation Concerns

MPWR Sees Increased Institutional Interest Amid Overvaluation Concerns

On May 20, 2026, reports showed new institutional investment in Monolithic Power Systems. ProShare Advisors LLC increased its stake in the company by over...

🟢 MPWR is trading 4.1% up today on AI sector rotation and power demand optimism

MPWR is trading 4.1% up at $1,527.78 as investors rotate back into AI-related semiconductor names following a sharp multi-day pullback. • Sentiment is...

Analog Devices nears $1.5B Empower deal, challenging MPWR in AI

Analog Devices nears $1.5B Empower deal, challenging MPWR in AI

Analog Devices (ADI) is in advanced negotiations to acquire Empower Semiconductor for $1.5 billion as of May 19, 2026. The deal centers on integrated voltage...

🔴 MPWR is trading 5.39% down

MPWR is trading at $1466.43, down 5.39%.

🔴 MPWR is trading 4.1% down today amid investigation into its directors

MPWR is trading 4.1% down at $1,487.07 following the announcement of an investigation into the company's directors. • Rosen Law Firm announced it is...

🟢 MPWR is trading 5.3% up today on a relief rebound following last week's China trade-driven selloff

MPWR is trading 5.3% up at $1631.69 in pre-market as shares stage a relief rebound following last week's sharp pullback tied to U.S.–China semiconductor trade...

Monolithic Power Systems sinks, pressured by US-China semiconductor trade tensions

Monolithic Power Systems sinks, pressured by US-China semiconductor trade tensions

Monolithic Power Systems (MPWR) shares closed at $1550.02 on May 15, 2026. The stock declined 3.96% during the regular session. After-hours trading prices...