Monolithic Power Stock Jumps 9.1% as AI Revenue Explodes
Monolithic Power Systems (MPWR) shares rose about 9.1% after the company issued stronger Q3 revenue guidance. It expects revenue of $1.14B to $1.16B, up from record Q2 revenue of $980.6M. Q2 sales grew 47.6% YoY and 21.9% sequentially, with Enterprise Data revenue $380.6M (+164.3% YoY). The board added $500M to its buyback authorization.
How this was made

The 30-second read
Why it matters
The guidance midpoint implies a sizable sequential step-up, and the article highlights both revenue acceleration and a larger buyback authorization, which can affect near-term positioning and valuation support.
Market read
A concrete Q3 revenue guidance range and quantified Enterprise Data acceleration provide a fresh catalyst for traders, with margin preservation as the main follow-through variable.
What to watch
Traders should focus on whether the company can preserve the guided non-GAAP gross margin range (55.4%-56%) while scaling Enterprise Data, since margin compression could offset revenue upside.
Background
MPWR is a power-management semiconductor supplier, with results framed around Enterprise Data growth tied to AI and server applications.
Ticker impact
Monolithic Power Systems raised/issued stronger Q3 revenue guidance to $1.14B-$1.16B, driving a ~9.1% jump and shifting AI power-demand expectations.
Likely bullish bias near term, with follow-through dependent on Enterprise Data growth and gross margin holding in line with the 55.4%-56% non-GAAP outlook.
The article cites specific, time-sensitive Q3 revenue guidance, quantifies Enterprise Data acceleration, and links the move to AI/server power-management demand, plus a new $500M buyback authorization that can support sentiment.
Market effects
Reinforces demand narrative for power-management solutions tied to AI and servers, potentially supporting sentiment across analog/power semis.
Primarily US large-cap semis sentiment; limited direct regional spillover beyond tech/semis complex.
AI data-center capex demand read-through may influence global power-semiconductor peers’ near-term expectations.
Counterpoint
The stock’s move may be front-running AI demand, and the key risk is whether Enterprise Data growth decelerates after the sequential pop.
Key entities
- companyMonolithic Power Systems
MPWR issued stronger third-quarter revenue guidance, with Enterprise Data growth tied to AI/server power-management demand and an added $500M to its buyback authorization.

