FilingsTodayMonolithic Power Systems
At a glance
Monolithic Power Systems reported 2025 revenue of $2.79B, up 26.4% from $2.21B in 2024. Over 4 years since 2021 ($1.21B), that is growth of about 23.3% a year. Operating margin was 26.1%, up from 21.7% in 2021. 2025 was the highest revenue year in this period.
In the last 12 months 11 insiders reported 0 open-market purchases and 53 sales ($674.2M). 23 of the sales were made under pre-arranged 10b5-1 plans. The largest was a sale of $64.3M by CEO Michael Hsing on Feb 10, 2026.
Monolithic Power Systems filed 9 current reports (Form 8-K) in the last 12 months, most often for results of operations (4), officer or director change (2), other events (2) and shareholder vote results (1). The latest officer or director change was reported on Oct 29, 2026.
3 of the 20 investors tracked here held Monolithic Power Systems at the last quarter end, worth $179.3M combined. It is the largest weight for Renaissance Technologies (0.1% of its portfolio), followed by National Pension Service (Korea) (0.1%). New this quarter: Renaissance Technologies. Reduced: National Pension Service (Korea) and Bridgewater Associates.
Annual results
| Year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Net income | $242M | $437.7M | $427.4M | $1.59B | $621.5M |
| Diluted EPS | $5.05 | $9.05 | $8.76 | $32.60 | $12.86 |
| Dividend per share | $2.40 | $3.00 | $4.00 | $5.00 | $6.24 |
Fiscal year ends Dec 31 · incorporated in DE
Tracked investors holding (13F)
Weight is the share of each investor's portfolio, as of the quarter end.
Current reports (8-K, last 12 months)
Insider open-market trades (last 12 months)
Source: SEC EDGAR. How figures are combined