Monolithic Power Systems, Inc. filed its quarterly report on Form 10-Q for the period ended September 30, 2026, with the SEC on November 3, 2026, reporting third-quarter revenue of $1,202,409 thousand and net income of $271,067 thousand.

Key Highlights

  • Quarterly revenue of $1,202,409 thousand for the three months ended September 30, 2026, compared with $737,176 thousand in the same period of 2025, according to the filing.
  • Net income of $271,067 thousand for Q3 2026, versus $179,766 thousand in Q3 2025, as reported in the condensed consolidated statements of operations.
  • Diluted earnings per share of $5.51 for the three months ended September 30, 2026, compared with $3.74 for the same prior-year period.
  • Nine-month revenue of $2,987,236 thousand for the period ended September 30, 2026, against $2,039,304 thousand for the same nine months of 2025.
  • Common stock repurchases of $457,481 thousand during the nine months ended September 30, 2026, reducing shares outstanding by 365 thousand shares.
  • Dividends and dividend equivalents declared of $6.00 per share for the nine months ended September 30, 2026, totaling $297,184 thousand.
  • Total assets of $4,672,581 thousand as of September 30, 2026, up from $4,194,199 thousand at December 31, 2025.

Monolithic Power Systems Reports Q3 2026 Financial Results

According to the Form 10-Q filed with the SEC, Monolithic Power Systems (NASDAQ:MPWR) reported revenue of $1,202,409 thousand for the three months ended September 30, 2026, an increase from $737,176 thousand in the three months ended September 30, 2025. Gross profit for the quarter was $665,539 thousand, compared with $406,228 thousand in the prior-year period. Total operating expenses were $307,852 thousand for Q3 2026, consisting of $140,581 thousand in research and development and $167,271 thousand in selling, general and administrative expenses.

The filing disclosed operating income of $357,687 thousand for the three months ended September 30, 2026, against $195,183 thousand in the same quarter of 2025. Income tax expense for Q3 2026 was $95,556 thousand, compared with $25,809 thousand in Q3 2025. For the nine months ended September 30, 2026, net income was $721,591 thousand, versus $449,827 thousand for the nine months ended September 30, 2025. Diluted net income per share for the nine-month period was $14.66, compared with $9.37 for the same period of 2025.

The condensed consolidated balance sheet as of September 30, 2026, showed cash and cash equivalents of $560,544 thousand and short-term investments of $530,690 thousand. Inventories stood at $764,879 thousand, up from $564,649 thousand at December 31, 2025. Total stockholders' equity was $3,733,740 thousand as of September 30, 2026. The filing reported stock-based compensation expense of $200,256 thousand for the nine months ended September 30, 2026. As of October 27, 2026, there were 48,768,000 shares of common stock issued and outstanding, the filing stated.

What Was Disclosed

Monolithic Power Systems filed its Form 10-Q for the quarter ended September 30, 2026, disclosing revenue, net income, earnings per share, balance sheet, and stockholders' equity figures for the three and nine months ended September 30, 2026 and 2025.