Power management chips maker Monolithic Power Systems (NASDAQ:MPWR) reported Q1 CY2026 results topping the market’s revenue expectations, with sales up 26.1% year on year to $804.2 million. On top of that, next quarter’s revenue guidance ($900 million at the midpoint) was surprisingly good and 10.1% above what analysts were expecting. Its non-GAAP profit of $5.10 per share was 4.1% above analysts’ consensus estimates.
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Monolithic Power Systems (MPWR) Q1 CY2026 Highlights:
- Revenue: $804.2 million vs analyst estimates of $782 million (26.1% year-on-year growth, 2.8% beat)
- Adjusted EPS: $5.10 vs analyst estimates of $4.90 (4.1% beat)
- Adjusted EBITDA: $302.2 million vs analyst estimates of $289.6 million (37.6% margin, 4.4% beat)
- Revenue Guidance for Q2 CY2026 is $900 million at the midpoint, above analyst estimates of $817.2 million
- Operating Margin: 30%, up from 26.5% in the same quarter last year
- Inventory Days Outstanding: 157, up from 153 in the previous quarter
- Market Capitalization: $79.31 billion
StockStory’s Take
Monolithic Power Systems’ first quarter saw revenue and adjusted earnings both exceed Wall Street expectations. Management highlighted the communications segment as a standout, with demand for power solutions in optical modules and switches driving substantial sequential growth. CEO Michael Hsing noted that robust adoption in enterprise data, particularly servers and AI-related projects, also contributed significantly to the quarter. However, management expressed caution regarding the notebook computing market and acknowledged an increase in inventory days outstanding.
Looking ahead, Monolithic Power Systems’ guidance points to a notable acceleration in revenue, driven by continued strength in enterprise data and communications, as well as new design wins in automotive and robotics. Management is optimistic about their ability to capture demand from AI and data center trends, projecting the enterprise data segment to grow notably faster than previously anticipated. CFO Tony Balow stated, “We’re comfortable raising the floor up to around 85% year-over-year growth for enterprise data,” while also emphasizing ongoing investments in manufacturing capacity and a diversified supply chain to support future growth.
Key Insights from Management’s Remarks
Management attributed the quarter’s outperformance to accelerating demand in communications and enterprise data, success in new product introductions, and a deliberate expansion of manufacturing capacity to meet anticipated growth.
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Communications segment momentum: Demand for power solutions in optical modules and switches led to a 33% sequential increase in the communications end market. Management highlighted strong adoption of high-power density modules as a primary growth driver, reflecting ongoing upgrades in data center infrastructure.
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Enterprise data acceleration: The enterprise data (including server) pipeline continued to expand, with both new and existing customers ramping up orders. Management is now projecting a much higher baseline for growth in this segment due to extended order visibility and increased adoption of AI-enabled hardware.
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Product innovation and sampling: Monolithic Power Systems began sampling its first high-speed interface products for DDR5 memory at major customers and is advancing solutions in the robotics and building automation markets. These initiatives are expected to broaden the company’s addressable market over the next few years.
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Manufacturing capacity expansion: The company increased its manufacturing capacity target from $4 billion to $6 billion, emphasizing geographic diversity in its supply chain. This expansion is designed to capture future growth opportunities and mitigate risk from supply disruptions or geopolitical volatility.
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Diversified market approach: Management reiterated its commitment to a diversified strategy, reducing reliance on any single market segment. While auto was relatively flat, new design wins in automotive and robotics are expected to ramp later in the year, supporting long-term revenue growth.
Drivers of Future Performance
Management expects future performance to be shaped by continued strength in enterprise data and communications, new product ramps in robotics and automotive, and ongoing investments in capacity and supply chain resilience.
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Enterprise data and AI demand: The enterprise data segment, buoyed by demand for power solutions in AI servers and accelerated hardware, is forecast to be the leading growth driver this year. Management raised its growth outlook for this segment as extended customer order patterns improve visibility. Risks include potential delays in customer ramps or changes in technology adoption rates.
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Communications and optical module growth: Ongoing investment in high-density, high-power optical modules and switches is expected to sustain communications momentum. Management noted that the increasing power requirements in confined formats play to the company’s strengths in integration and efficiency, but supply chain cost pressures could challenge margins if not well managed.
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Product pipeline and market diversification: New product introductions in DDR5 memory interfaces, silicon carbide, and gallium nitride for various voltage applications, as well as expansion in robotics and automotive, are set to diversify future revenue streams. However, management remains cautious about certain consumer segments, such as notebooks, and flagged possible margin headwinds in the second half due to input cost inflation.
Catalysts in Upcoming Quarters
In the coming quarters, the StockStory team will be watching (1) the pace of adoption and revenue contribution from new DDR5 interface and robotics products, (2) whether enterprise data and communications segments continue to outperform expectations amid industry AI and data center investment trends, and (3) how effectively expanded manufacturing capacity and supply chain diversification support sustained growth and margin stability. Progress in automotive and updates on input cost management will also be important signposts.
Monolithic Power Systems currently trades at $1,557, down from $1,614 just before the earnings. At this price, is it a buy or sell? See for yourself in our full research report (it’s free).
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