Power Integrations (POWI) - Market capitalization

Market cap: C$3.50 Billion

As of January 2026 Power Integrations has a market cap of C$3.50 Billion. This makes Power Integrations the world's 4305th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Power Integrations from 1997 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	C$3.50 B	22.43%
2025	C$2.86 B	-44.26%
2024	C$5.14 B	-16.98%
2023	C$6.19 B	11.24%
2022	C$5.56 B	-22.06%
2021	C$7.14 B	14.31%
2020	C$6.24 B	64.34%
2019	C$3.80 B	58.44%
2018	C$2.39 B	-12.67%
2017	C$2.74 B	3.42%
2016	C$2.65 B	37.46%
2015	C$1.93 B	10.21%
2014	C$1.75 B	-1.69%
2013	C$1.78 B	87.05%
2012	C$0.95 B	0.79%
2011	C$0.94 B	-16.93%
2010	C$1.13 B	9.15%
2009	C$1.04 B	47.26%
2008	C$0.70 B	-31.38%
2007	C$1.03 B	31.89%
2006	C$0.78 B	-3.8%
2005	C$0.81 B	12.38%
2004	C$0.72 B	-45.11%
2003	C$1.31 B	71.71%
2002	C$0.76 B	-24.58%
2001	C$1.01 B	115.65%
2000	C$0.47 B	-74.17%
1999	C$1.82 B	279.99%
1998	C$0.48 B	201.79%
1997	C$0.15 B

End of Day market cap according to different sources

On Jan 30th, 2026 the market cap of Power Integrations was reported to be:

C$3.46 Billion

by Nasdaq

C$3.50 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
NXP Semiconductors NXPI	C$77.61 B	2,112.36%	🇳🇱 Netherlands
Monolithic Power Systems MPWR	C$73.31 B	1,989.79%	🇺🇸 USA
Diodes Incorporated DIOD	C$3.74 B	6.67%	🇺🇸 USA
Cirrus Logic CRUS	C$9.10 B	159.63%	🇺🇸 USA
STMicroelectronics STM	C$34.28 B	877.36%	🇨🇭 Switzerland

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Power Integrations (POWI)

Market cap: C$3.50 Billion