Compare · MPWR vs POWI
MPWR vs POWI
Side-by-side comparison of Monolithic Power Systems Inc. (MPWR) and Power Integrations Inc. (POWI): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both MPWR and POWI operate in Semiconductors (Technology), so they compete in similar markets.
- MPWR is the larger of the two at $61.39B, about 24.4x POWI ($2.51B).
- POWI has been more active in the news (3 items in the past 4 weeks vs 2 for MPWR).
- MPWR has more recent analyst coverage (25 ratings vs 17 for POWI).
- Company
- Monolithic Power Systems Inc.
- Power Integrations Inc.
- Price
- -
- -
- Market cap
- $61.39B
- $2.51B
- 1M return
- -
- -
- 1Y return
- -
- -
- Industry
- Semiconductors
- Semiconductors
- Exchange
- NASDAQ
- NASDAQ
- IPO
- 2004
- 1997
- News (4w)
- 2
- 3
- Recent ratings
- 25
- 17
Monolithic Power Systems Inc.
Monolithic Power Systems, Inc. designs, develops, and markets integrated power semiconductor solutions and power delivery architectures for computing and storage, automotive, industrial, communications, and consumer applications markets. It offers direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltages of various electronic systems, such as portable electronic devices, wireless LAN access points, computers and notebooks, monitors, infotainment applications, and medical equipment. The company also provides lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in notebook computers, monitors, car navigation systems, and televisions, as well as for general illumination products. The company sells its products through third-party distributors, and value-added resellers, as well as directly to original equipment manufacturers, original design manufacturers, electronic manufacturing service providers, and other end customers in China, Taiwan, Europe, South Korea, Southeast Asia, Japan, the United States, and internationally. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.
Power Integrations Inc.
Power Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits (ICs), and other electronic components and circuitry used in high-voltage power conversion worldwide. The company offers a range of alternating current to direct current power conversion products that address power supply ranging from less than one watt of output to approximately 500 watts of output for mobile-device chargers, consumer appliances, utility meters, LCD monitors, main and standby power supplies for desktop computers and TVs, LED lighting, and other consumer and industrial applications. It also provides high-voltage diodes; and high-voltage gate-driver products under the SCALE and SCALE-2 product-family names. In addition, the company offers motor-driver ICs for use in refrigerator compressors, ceiling fans, and air purifiers, as well as pumps, fans, and blowers used in consumer appliances, such as dishwashers and laundry machines. It serves communications, computer, consumer, and industrial markets. The company sells its products to original equipment manufacturers and merchant power supply manufacturers through sales personnel, as well as a network of independent sales representatives and distributors. Power Integrations, Inc. was founded in 1988 and is headquartered in San Jose, California.
Latest MPWR
- Monolithic Power Systems to Report Third Quarter 2026 Results on October 29, 2026
- CEO Hsing Michael sold $40,349,047 worth of shares (30,000 units at $1,344.97) as part of a pre-agreed trading plan, decreasing direct ownership by 4% to 818,264 units (SEC Form 4)
- Monolithic Power Systems Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits
- Monolithic Power Systems Announces Third Quarter 2026 Dividend
- GlobalFoundries and Monolithic Power Systems form manufacturing partnership to scale high-performance power solutions
- EVP & General Counsel Tseng Saria gifted 2,000 shares and received a gift of 2,000 shares, decreasing direct ownership by 1% to 142,218 units (SEC Form 4)
- Interim CFO Dean Robert W Ii sold $41,527 worth of shares (32 units at $1,297.72) and disposed of 5 shares, decreasing direct ownership by 0.52% to 7,089 units (SEC Form 4) (for tax liability)
- Director Chang Kuo Wei Herbert sold $64,078 worth of shares (50 units at $1,281.57), decreasing direct ownership by 9% to 515 units (SEC Form 4)
- Arete initiated coverage on Monolithic Power with a new price target
- Interim CFO Dean Robert W Ii sold $8,482 worth of shares (6 units at $1,413.64), decreasing direct ownership by 0.08% to 7,126 units (SEC Form 4) to cover withholding tax
Latest POWI
- Power Integrations Reports Inducement Grants under Nasdaq Listing Rule 5635(c)(4)
- Power Integrations to Announce Third-Quarter Financial Results
- Power Integrations and Ideal Power Collaborate on Efficient, Always-On Solid State Circuit Breakers for 800 VDC AI Data Centers
- Power Integrations Reports Inducement Grants under Nasdaq Listing Rule 5635(c)(4)
- Power Integrations Unveils 4th Generation of Pioneering CAPZero™ X-Capacitor Discharge IC Family
- SEC Form S-8 filed by Power Integrations Inc.
- SEC Form 10-Q filed by Power Integrations Inc.
- Power Integrations Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- Power Integrations Reports Second-Quarter Financial Results
- Power Integrations Demonstrates World’s First 2200 V GaN Technology for Next-Era High-Voltage Power Systems