OSI Systems (OSIS) - Market capitalization

Market cap: £3.20 Billion

As of January 2026 OSI Systems has a market cap of £3.20 Billion. This makes OSI Systems the world's 3305th 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 OSI Systems from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£3.40 B	49.08%
2024	£2.28 B	32.6%
2023	£1.72 B	55.32%
2022	£1.10 B	-9.06%
2021	£1.21 B	-0.6%
2020	£1.22 B	-12.67%
2019	£1.40 B	34.86%
2018	£1.04 B	15.17%
2017	£0.90 B	-23.17%
2016	£1.17 B	-0.52%
2015	£1.18 B	31.42%
2014	£0.89 B	40.15%
2013	£0.64 B	-19.06%
2012	£0.79 B	28.61%
2011	£0.61 B	38.84%
2010	£0.44 B	48.9%
2009	£0.29 B	76.9%
2008	£0.16 B	-27.65%
2007	£0.23 B	29.95%
2006	£0.17 B	2.68%
2005	£0.17 B	-8.92%
2004	£0.19 B	22.23%
2003	£0.15 B	6.06%
2002	£0.14 B	-5.9%
2001	£0.15 B	321.89%
2000	£37.25 M	12.39%
1999	£33.15 M	-34.2%
1998	£50.38 M	-29.43%
1997	£71.38 M
2026	£3.20 B	-5.63%

End of Day market cap according to different sources

On Jan 1st, 2026 the market cap of OSI Systems was reported to be:

£3.20 Billion

by Nasdaq

£3.20 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
General Electric GE	£242.13 B	7,443.16%	🇺🇸 USA
Leidos LDOS	£17.15 B	434.48%	🇺🇸 USA
Agilent Technologies A	£28.59 B	790.82%	🇺🇸 USA
Cardinal Health CAH	£36.19 B	1,027.52%	🇺🇸 USA
Philips PHG	£19.08 B	494.69%	🇳🇱 Netherlands

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 OSI Systems (OSIS)

Market cap: £3.20 Billion