POWI Power Integrations, Inc.
NASDAQActiveCommon stock
POWI is the ticker symbol of Power Integrations, Inc., which is listed on NASDAQ.
POWI at a glance
- Symbol
- POWI
- Company / issuer
- Power Integrations, Inc.
- Security type
- Common stock
- Exchange
- NASDAQ
- Status
- Actively traded
- Seen in listing files
- Jan 2015 – present
- Sector
- Technology
- Industry
- Semiconductors
- Country
- United States
- IPO year
- 1997
- Market cap
- $2.8 billion (Sep 2026)
Power Integrations, Inc. company profile
- Industry (SIC)
- Semiconductors & Related Devices
- Headquarters
- San Jose, CA
- Incorporated in
- CA
- Fiscal year end
- December 31
- SEC filer category
- Large accelerated filer
- Latest annual report
- 10-K filed 2026-02-06
- Latest interim report
- 10-Q filed 2026-08-06
- SEC CIK
- 833640
Source: SEC EDGAR filer data.
POWI price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol POWI?
POWI is the ticker symbol of Power Integrations, Inc on NASDAQ.
Is POWI still trading?
Yes. POWI appears in the current NASDAQ listings as of Sep 2026.
Which exchange is POWI listed on?
POWI is listed on NASDAQ.
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