Power Integrations Inc (NASDAQ:POWI) — Market Cap & Net Worth

$2.66 Billion USD  · Rank #5264

Market Cap & Net Worth: Power Integrations Inc (POWI)

Power Integrations Inc (NASDAQ:POWI) has a market capitalization of $2.66 Billion ($2.66 Billion) as of September 18, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #5264 globally and #1750 in its home market, demonstrating a -5.57% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Power Integrations Inc's stock price $47.65 by its total outstanding shares 55873298 (55.87 Million). Also see POWI asset base for a full breakdown of the balance sheet.

Power Integrations Inc Market Cap History: 2015 to 2026

Power Integrations Inc's market capitalization history from 2015 to 2026. Data shows growth from $1.26 Billion to $2.66 Billion (7.52% CAGR). Also see POWI operating cash flow for how efficiently the company converts equity into cash flow.

Index Memberships

Power Integrations Inc is a constituent of 2 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
NASDAQ Composite
IXIC
$41.69 Trillion 0.01% #595 of 3165
S&P Midcap 400
MID
$3.41 Trillion 0.10% #365 of 401

Weight: Power Integrations Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Power Integrations Inc Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Power Integrations Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Check POWI stock price for real-time trading data and today's change.

Latest Price to Sales (P/S) Ratio

4.48x

Power Integrations Inc's market cap is 4.48 times its annual revenue

Industry average: 11.51x Lower than industry average

Latest Price to Earnings (P/E) Ratio

89.88x

Power Integrations Inc's market cap is 89.88 times its annual earnings

Industry average: 4.95x Higher than industry average

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2016 $1.77 Billion $387.39 Million $47.89 Million 4.57x 36.93x
2017 $1.93 Billion $431.75 Million $27.61 Million 4.48x 70.00x
2018 $1.62 Billion $415.95 Million $69.98 Million 3.89x 23.11x
2019 $2.65 Billion $420.67 Million $193.47 Million 6.29x 13.68x
2020 $4.41 Billion $488.32 Million $71.18 Million 9.04x 62.00x
2021 $5.04 Billion $703.28 Million $164.41 Million 7.16x 30.63x
2022 $3.92 Billion $651.14 Million $170.85 Million 6.03x 22.96x
2023 $4.53 Billion $444.54 Million $55.73 Million 10.20x 81.35x
2024 $3.45 Billion $418.97 Million $32.23 Million 8.23x 106.95x
2025 $1.99 Billion $443.50 Million $22.09 Million 4.48x 89.88x

Competitor Companies of POWI by Market Capitalization

Companies near Power Integrations Inc in the global market cap rankings as of September 18, 2026. Review tangible equity quality of Power Integrations Inc to assess the quality of the company's equity after excluding intangible assets.

Key companies related to Power Integrations Inc by market ranking:

  • NVIDIA Corporation (NASDAQ:NVDA): Ranked #1 globally with a market cap of $5.06 Trillion USD.
  • Taiwan Semiconductor Manufacturing Co. Ltd. (TW:2330): Ranked #6 globally with a market cap of $1.94 Trillion USD ( NT$61.72 Trillion TWD).
  • Broadcom Inc (NASDAQ:AVGO): Ranked #8 globally with a market cap of $1.61 Trillion USD.
  • SK Hynix Inc. American Depositary Shares (NASDAQ:SKHY): Ranked #12 globally with a market cap of $1.24 Trillion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#1 NVIDIA Corporation NASDAQ:NVDA $5.06 Trillion $213.90
#6 Taiwan Semiconductor Manufacturing Co. Ltd. TW:2330 $1.94 Trillion NT$2380.00
#8 Broadcom Inc NASDAQ:AVGO $1.61 Trillion $339.51
#12 SK Hynix Inc. American Depositary Shares NASDAQ:SKHY $1.24 Trillion $174.87

Power Integrations Inc Historical Marketcap From 2015 to 2026

Between 2015 and today, Power Integrations Inc's market cap moved from $1.26 Billion to $ 2.66 Billion, with a yearly change of 7.52%.

Year Market Cap Change (%)
2026 $2.66 Billion +34.07%
2025 $1.99 Billion -42.40%
2024 $3.45 Billion -23.97%
2023 $4.53 Billion +15.57%
2022 $3.92 Billion -22.09%
2021 $5.04 Billion +14.12%
2020 $4.41 Billion +66.77%
2019 $2.65 Billion +63.64%
2018 $1.62 Billion -16.32%
2017 $1.93 Billion +9.26%
2016 $1.77 Billion +40.88%
2015 $1.26 Billion --

End of Day Market Cap According to Different Sources

On Sep 17th, 2026 the market cap of Power Integrations Inc was reported to be:

Source Market Cap
Yahoo Finance $2.66 Billion USD
MoneyControl $2.66 Billion USD
MarketWatch $2.66 Billion USD
marketcap.company $2.66 Billion USD
Reuters $2.66 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Power Integrations Inc

NASDAQ:POWI USA Semiconductors
Market Cap
$2.66 Billion
Market Cap Rank
#5264 Global
#1750 in USA
Share Price
$47.65
Change (1 day)
-1.28%
52-Week Range
$30.92 - $87.35
All Time High
$106.73
About

Power Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits, and other electronic components and circuitry used in high-voltage power conversion. It provides a range of alternating current to direct current power conversion products that address power supply up to approximately 500 watts of output for consumer appliances, utility meters, LCD m… Read more