Monolithic Power Systems (MPWR): Q3 buybacks reach $453.4M as enterprise data revenue rises 164.6%
Q3 enterprise data revenue up 164.6% y/y to $315.3M on AI demand; $453.4M buyback in quarter, authorization raised to $1.5B.
What this filing says
Monolithic Power Systems reported that enterprise data revenue rose $315.3 million, or 164.6%, in the third quarter, driven by AI and server power products. The company also repurchased 362,000 shares for $453.4 million in the quarter and raised its buyback authorization by $500.0 million in both July and October 2026. For a shareholder, the filing shows strong demand growth alongside a large return of cash through buybacks, with heavy reliance on Asian direct customers.
Key figures
- Enterprise data revenue increase
- $315.3 million (164.6%)
- Q3 share repurchase cost
- $453.4 million
- Shares repurchased in Q3
- 362,000 shares
- Communications revenue
- $187.4 million
- Automotive revenue
- $180.7 million
- Revenue from direct Asian customers
- 93% of total revenue
Positive for shareholders
- Enterprise data revenue more than doubled on higher AI and server power product sales.
- Communications revenue rose $107.6 million, or 134.7%, on optical module and switch power solutions.
- Automotive revenue grew 19.2% on advanced driver assistance system applications.
Negative for shareholders
- About 93% of revenue came from direct customers in Asia, a high concentration.
- The buyback authorization was increased by $500.0 million in July 2026 and again in October 2026, using a large share of cash.
- The company cites litigation risk and the need to secure manufacturing capacity as factors for future growth.
Written by Quantisnow AI from this filing. Not financial advice.
Key terms
- Repurchase program:
- A plan under which the company buys back its own shares, reducing the number outstanding.
- RSU:
- Restricted stock unit, a promise to deliver company shares to employees once they vest.
- Dividend equivalents:
- Cash payments to employees holding unvested RSUs that match the dividends paid on common stock, paid only if the RSUs vest.
- Optical modules:
- Components that convert electrical signals to light for high-speed data transmission in networks.
FAQ
How much did Monolithic Power Systems spend on buybacks in the third quarter?
The company repurchased 362,000 shares for an aggregate purchase price of $453.4 million during the three months ended September 30, 2026, compared with $2.1 million a year earlier.
What drove the growth in enterprise data revenue?
The filing states the increase was primarily due to higher sales of power management solutions for artificial intelligence and server applications.
How concentrated is Monolithic Power Systems' revenue in Asia?
Revenue from direct customers in Asia was 93% of total revenue for the three months ended September 30, 2026, up from 91% a year earlier.
Historical context for MPWR
Across the 13 sessions after earlier MPWR headlines, the stock closed higher 10 times and lower 3 times, with a median move of 2.6% in either direction. This shows timing only: many things move a stock in a session, and these figures do not show that any headline caused a move.
| Session | Earlier headline | MPWR | SPY |
|---|---|---|---|
| Oct 30, 2026 | Monolithic Power upgraded by Rosenblatt with a new price targetand 2 other headlines that session | +1.1% | -1.8% |
| Oct 9, 2026 | Monolithic Power Systems to Report Third Quarter 2026 Results on October 29, 2026 | +1.2% | +0.6% |
| Sep 11, 2026 | Monolithic Power Systems Announces Third Quarter 2026 Dividend | +4.1% | +0.9% |
| Aug 20, 2026 | Arete initiated coverage on Monolithic Power with a new price target | +0.8% | -0.8% |
| Jul 31, 2026 | Monolithic Power Systems Reports Second Quarter Results on July 30, 2026 | +8.3% | +0.7% |
| Jul 15, 2026 | Monolithic Power Systems to Report Second Quarter 2026 Results on July 30, 2026 | -1.7% | +0.4% |
- Market cap
- 30-day
- Sector
- Technology
- Industry
- Semiconductors
- Listed since
- 2004
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