$MPWR · MONOLITHIC POWER SYSTEMS, INC.
Monolithic Power Systems reported Q3 FY2026 results with record revenue of $1.202B (+63.1% YoY), its first quarter above $1B. Non-GAAP diluted EPS hit $8.19 (+73.2% YoY). Enterprise Data led at $506.7M (+164.6% YoY). The company guided Q4 revenue to $1.315B–$1.385B and announced a new $500M buyback authorization. The filing also disclosed the appointment of Tony Balow as CFO, effective immediately.
- Q3 revenue $1.202B, +63.1% YoY and +22.6% QoQ — first quarter above $1B.
- Non-GAAP diluted EPS $8.19, +73.2% YoY; GAAP diluted EPS $5.51, +47.3% YoY.
- Enterprise Data revenue $506.7M, +164.6% YoY, now 42.1% of total revenue.
- Q4 revenue guidance $1.315B–$1.385B, implying ~12% sequential growth at midpoint.
- Board authorized additional $500M buyback; total repurchase capacity now $1B after $453.4M bought in Q3.
Extended-hours trading at $1,249.99, +4.27% vs regular close of $1,198.81. The beat-and-raise quarter with $1.2B revenue and Q4 guidance above $1.3B is driving a strong after-hours bid on a $58.9B market cap name.
MPWR crossed the $1B quarterly revenue threshold for the first time, driven by AI-related Enterprise Data demand growing at triple-digit YoY rates, and guided Q4 ~12% above Q3 at the midpoint.
MPWR's Enterprise Data growth (+164.6% YoY) mirrors the AI infrastructure boom driving power-management demand across data center, optical, and server applications — outpacing broader analog/semiconductor peers.
Stock-based compensation surged to $106.3M in Q3 from $53.5M in Q2, nearly doubling sequentially. Cash and short-term investments fell to $1.091B from $1.414B QoQ, partly due to $453.4M in buybacks.