Monolithic Power Systems, Inc. (MPWR)

NYSE · Semiconductors

Latest Move · 2026-02-24

+2.82%
Citi top-pick designation gains traction as semiconductor sector rallies

Monolithic Power Systems stock rose 2.8% following positive developments. The company reported Q4 2025 revenue of $751.2 million, beating analyst estimates of $742.4 million by 1.2%. Adjusted earnings per share came in at $4.79 versus consensus estimates of $4.74. The company provided Q1 2026 revenue guidance of $780 million at the midpoint, exceeding analyst expectations of $738 million. Additionally, Citi upgraded Monolithic Power Systems to a Top Pick, citing expectations that the company will outgrow the industry led by enterprise data sales product growth. The analyst noted that data-center-related sales for analog companies surged 50-70% year over year in 2025, with projections for roughly 70% year-over-year growth in data-center and AI revenue for analog companies in 2026.

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Previous Move

-2.36%
Semiconductor sector weakness drags MPWR lower despite fresh Citi top-pick designation
2026-02-23

Frequently Asked Questions

Why did Monolithic Power Systems, Inc. stock move today?

Monolithic Power Systems stock rose 2.8% following positive developments. The company reported Q4 2025 revenue of $751.2 million, beating analyst estimates of $742.4 million by 1.2%. Adjusted earnings per share came in at $4.79 versus consensus estimates of $4.74. The company provided Q1 2026 revenue guidance of $780 million at the midpoint, exceeding analyst expectations of $738 million. Additionally, Citi upgraded Monolithic Power Systems to a Top Pick, citing expectations that the company will outgrow the industry led by enterprise data sales product growth. The analyst noted that data-center-related sales for analog companies surged 50-70% year over year in 2025, with projections for roughly 70% year-over-year growth in data-center and AI revenue for analog companies in 2026.

What does Monolithic Power Systems, Inc. do?

Monolithic Power Systems designs high-performance analog and mixed-signal semiconductors used in power management across data centers, automotive, and consumer electronics. The company reported record Q4 revenue of $751.2 million in early February with Q1 guidance of $780 million — 5.7% above consensus — and has been trading in a volatile post-earnings range with daily swings as large as 6%. Citi's designation of MPWR as a top analog pick, citing 70% projected data-center revenue growth in 2026, is now gaining traction after initially being overshadowed by Monday's broad market selloff.

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