MPWR 10-K Analysis: The Repatriation Trap Behind a Frozen Buyback
Monolithic Power Systems sits on $1.3 billion in cash with zero debt and a $493 million buyback authorization — yet stock repurchases collapsed 99% from $635 million to $6.6 million in FY2025. The answer isn't in the headline numbers. It's buried in the income tax footnote: a foreign repatriation pipeline that dropped from $642 million to $275 million, barely enough to cover the dividend. Meanwhile, the 10-K discloses a material weakness in tax computation that required FY2024 restatement, Enterprise Data re-accelerated violently in Q4, and gross margins held within 10 basis points despite the largest revenue mix shift in company history.