Monolithic Power Systems, Inc.
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Range $1500 – $2100
Price Chart
About the company
Monolithic Power Systems, Inc. specializes in the creation, promotion, and sale of advanced semiconductor components for power management. Their innovative solutions cater to a broad spectrum of industries, including information technology, data storage, automotive, industrial applications, telecommunications, and consumer electronics.
- CEO
- Michael R. Hsing
- IPO
- 2004
- Employees
- 4,501
- HQ
- West Palm Beach, FL, US
AI snapshot
Six angles, distilled from the data.
The stock remains in a strong long-term uptrend, holding well above its 200-day average and its 50-day average. It is still below the 52-week high, so the setup is constructive but not fully reset after a large multi-month advance.
Street sentiment stays firmly positive, with a Buy consensus and a $1,827.25 average target versus a $1,355.99 close. Recent action has been mostly target raises and fresh initiations, though a few firms have trimmed targets, signaling enthusiasm with some valuation discipline.
The company has a clean beat streak, with 7 straight quarters of EPS upside and the last four beats ranging from 1.1% to 11.8%. Next quarter is set against a 6.5 EPS estimate, so shareholders should watch whether growth and margins keep supporting that pace.
The pattern leans to net selling, but most of the recent activity is noise from gifts and awards rather than clear discretionary conviction. The meaningful signal is modest insider selling from the interim CFO, a director, and the sales chief, while reported gifts and an award offset some of that flow.
Profitability is strong, with a 55.2% gross margin, 30.99% operating margin, and 24.5% net margin. Growth is still powerful, with revenue up 47.6% year over year and earnings up 85.8%, while the balance sheet carries $1.26 billion in cash against just $24.1 million of debt.
MPWR stands out on profitability and cash generation versus most semiconductor peers, especially in power management and data-center exposure. The valuation is rich at 72.01x earnings, so the setup favors investors who want quality and growth over cheapness.
Similar companies
Peers in the same neighborhood.
- Market Cap
- $72.71B
- P/E
- 90.24
- Fwd P/E
- 53.97
- PEG
- -1.57
- P/S
- 22.21
- P/B
- 18.66
- EV/EBITDA
- 70.87
- Div Yield
- 0.51%
- Gross Margin
- 55.20%
- Op Margin
- 28.72%
- Net Margin
- 24.41%
- ROE
- 21.78%
- ROIC
- 18.22%
Latest fiscal year · YoY change
- Revenue
- $2.79B+26.4%
- Gross Profit
- $1.54B+26.1%
- Op Income
- $728.64M
- Net Income
- $615.93M-65.5%
- EPS
- $12.82-65.1%
- OCF Growth
- +6.3%
- FCF Growth
- +3.7%
- 52W High
- $1714.09
- 52W Low
- $833.18
- 50D MA
- $1304.53
- 200D MA
- $1283.31
- Beta
- 1.66
- RSI (14)
- 69
- Avg Volume
- 759.43K
Earnings call summaries
Pick a quarter — each call distilled into takeaways, results, and a bull vs bear read.
Monolithic Power Systems posted a record Q2 with strong broad-based demand, especially in enterprise data and communications, and raised its stock buyback authorization while keeping a constructive tone on future growth.· July 30, 2026
- Q2 revenue was a record $981 million, up 22% sequentially and 48% year over year.
- Enterprise data grew 45% sequentially; management said all end markets grew sequentially and book-to-bill remained well above 1.
- Management raised its full-year enterprise data growth floor from 85% to 130% based on strong order patterns and low inventory.
- The company expanded capacity goals beyond $6 billion and announced an additional $500 million share repurchase authorization, bringing the total to $1 billion.
- New growth vectors included initial DDR5 memory orders, sampling of 800-volt data-center power solutions, and more than 1.5 thousand new automotive sockets shipped year to date.
Monolithic Power Systems reported record Q2 revenue of $981 million, up 22% from Q1 2026 and 48% from Q2 2025. The transcript did not state EPS or gross margin figures, though management said gross margin guidance was expanded slightly and that it is at the low end of where they want to be. For Q3, management said gross margin guidance was raised slightly and they feel comfortable with that level; they also reiterated that spending leverage is helping operating margin. On the business outlook, enterprise data was raised from 85% to 130% for the year, automotive is still expected to be in the mid-teens year over year, and management said consumer and notebook storage/compute remain cautious areas.
Tony Balow emphasized that the quarter reflected innovation, diversified end-market strength, and the company’s transition from a chip company to a full solution provider. He highlighted expansion beyond $6 billion of capacity goals, initial DDR5 orders, sampling of 800-volt data-center products, and growing automotive socket wins. His tone was upbeat but measured, repeatedly stressing long-term execution, diversification, and continued investment for future revenue growth.
The CFO commentary focused on strong order flow, modest gross margin expansion, and operating leverage. Robert Dean said strong Q2 orders allowed the company to incrementally expand gross margin guidance again, while Tony Balow noted higher revenue is creating leverage in operating margin. Management also said pricing was not the driver of growth, though they have raised prices selectively when input costs rise, expedited requests occur, or non-China supply chains are requested. On capital allocation, management announced an additional $500 million share repurchase authorization, lifting total authorization to $1 billion.
Analysts pressed on whether communications growth was coming mainly from optical modules or also from switches, DPUs, and SmartNIC-related sockets; management said both optical module solutions and switch-related power solutions are contributing. Questions also focused on whether data-center demand reflected inventory building, and management said channel inventory remains very low and visibility is supported by strong ordering patterns, with enterprise data growth expectations raised sharply. Analysts asked about DDR5, 800-volt solutions, share opportunities in optical transceivers, and capacity geography; management said the DDR5 opportunity is still early, the 800-volt solution uses MPS silicon carbide, share opportunities remain in comms, and the capacity build is being kept balanced across geographies and increasingly includes backend/module complexity.
The bull case from this call is that demand is broadening and still early in several high-growth markets: enterprise data, communications, automotive, DDR5, and 800-volt data-center power. Management sounded confident that low inventory, strong book-to-bill, and new socket wins can keep growth going, while buybacks and capacity expansion signal confidence in future cash generation.
The main risks discussed were that consumer and notebook storage/compute remain cautious, industrial is lagging, and some newer opportunities like RCD and 800-volt solutions are still early and not yet a revenue driver. Management also acknowledged that pricing is not the growth driver, gross margins are only at the low end of their target range, and several new initiatives require time, software, or customer adoption before they become meaningful.
AI summary of the company's earnings call · Paraphrased · Not investment advice
- Free Float
- 96.4%
- Shares Outstanding
- 49.13M
- Float Shares
- 47.36M
of shares held by institutions
1,165 13F filers
Buy/sell ratio 0.08. Sells can include pre-scheduled 10b5-1 plan sales, not just discretionary selling.
Congressional trading
Senate and House stock disclosures for MPWR, newest first.
| Member | Type | Traded | |
|---|---|---|---|
| Byron DonaldsHouse · FL19 | Sell | Jun 5, 26 | Filing → |
| Byron DonaldsHouse · FL19 | Sell | Jun 5, 26 | Filing → |
| Markwayne MullinSenate · OK | Buy | Feb 4, 26 | Filing → |
| Ro KhannaHouse · CA17 | Sell | Jan 29, 26 | Filing → |
| Markwayne MullinSenate · OK | Buy | Jan 5, 26 | Filing → |
| Markwayne MullinSenate · OK | Buy | Jan 5, 26 | Filing → |
| Michael GuestHouse · MS03 | Buy | Oct 20, 25 | Filing → |
| Robert P. BresnahanHouse · PA08 | Buy | Apr 8, 25 | Filing → |
| Robert P. BresnahanHouse · PA08 | Sell | Jan 13, 25 | Filing → |
| Thomas Hawley TubervilleSenate · AL | Sell | May 3, 24 | Filing → |
| Ro KhannaHouse · CA17 | Buy | Mar 20, 24 | Filing → |
| Ro KhannaHouse · CA17 | Sell | Mar 25, 24 | Filing → |
| Ro KhannaHouse · CA17 | Buy | Feb 13, 24 | Filing → |
| Ro KhannaHouse · CA17 | Sell | Feb 13, 24 | Filing → |
Source: public STOCK Act disclosures. Filed weeks after the trade — a lagging signal, not a real-time one.
Top institutional holders
Largest 13F positions, with quarter-over-quarter change.
| Holder | Shares | Δ Quarter |
|---|---|---|
| Vanguard Group Inc | 6.03M | ▼ 39.64K |
| Blackrock, Inc. | 5.59M | ▼ 482.54K |
| Fmr LLC | 5.18M | ▲ 776.43K |
| Vanguard Capital Management LLC | 3.13M | ▲ 43.31K |
| Vanguard Portfolio Management LLC | 2.50M | ▼ 11.63K |
| Invesco Ltd. | 2.34M | ▲ 1.31M |
| State Street Corp | 2.28M | ▲ 93.73K |
| Geode Capital Management, LLC | 1.20M | ▼ 236.78K |
| Price T Rowe Associates Inc | 976.80K | ▼ 286.16K |
| Franklin Resources Inc | 811.97K | ▼ 116.70K |
| Goldman Sachs Group Inc | 780.65K | ▲ 212.59K |
| Norges Bank | 751.40K | ▲ 751.40K |
Held by 1,925 ETFs
Biggest fund positions in MPWR by dollar value.
Recent insider transactions
Who's buying, who's selling, and how much.
| Date | Insider | Type | Shares |
|---|---|---|---|
| Sep 28, 26 | Hsing Michael | sell | 596 |
| Sep 28, 26 | Hsing Michael | sell | 2,121 |
| Sep 28, 26 | Hsing Michael | sell | 1,111 |
| Sep 28, 26 | Hsing Michael | sell | 2,949 |
| Sep 28, 26 | Hsing Michael | sell | 5,783 |
| Sep 28, 26 | Hsing Michael | sell | 6,343 |
| Sep 28, 26 | Hsing Michael | sell | 10,967 |
| Sep 28, 26 | Hsing Michael | sell | 130 |
| Aug 31, 26 | Tseng Saria | other | 2,000 |
| Aug 31, 26 | Tseng Saria | other | 2,000 |
A “Sell” may be a pre-scheduled 10b5-1 plan sale rather than a discretionary decision — read insider selling with that in mind.
Our MPWR coverage
Recent articles, reports, and earnings notes.

Monolithic Power Systems (MPWR): AI Server Growth vs. Rich Valuation
Monolithic Power Systems is accelerating on AI server, optical module, and communications demand, but the stock already prices in a lot of that growth. Our view is Hold as strong execution is offset by a demanding valuation.

Monolithic Power Systems, Inc. (MPWR) climbs 11% After Earnings
Monolithic Power Systems, Inc. (MPWR) climbs after reporting record Q2 2026 revenue that beat estimates and highlighted surging enterprise data demand. The after-hours jump reflects strong AI infrastructure momentum, but investors should watch whether the gain holds in regular trading.

Monolithic Power Systems, Inc. (MPWR) climbs 11% After Earnings
Monolithic Power Systems, Inc. (MPWR) climbs sharply in after-hours trading after its Q2 2026 earnings event, with investors reacting to strong prior growth, upbeat sentiment, and a supportive chip sector. The move puts the stock near the top of its yearly range, but the next regular-session trade will show whether the gain holds.
Want a deeper read on MPWR?
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Headlines from third-party outlets — TickerSpark isn't affiliated with these sources.
AI analysis · Last refreshed September 30, 2026 · Live quote · Not investment advice