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OSI Systems shares outstanding OSIS

Diluted shares outstanding, averaged over each quarter, from 2010.

Latest quarter, to Jun 30, 2026
16.9M
On a year earlier
−3.3%
fewer shares

OSI Systems had 16.9M diluted shares outstanding on average in Q4 FY26, the quarter to Jun 30, 2026.

That is 3.3% fewer than a year earlier, so each share owns a little more of the company.

Shares outstanding over time

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearShares, fourth quarterChange
FY202616.9M−3%
FY202517.4M−0%
FY202417.5M+1%
FY202317.3M−0%
FY202217.4M−7%
FY202118.7M+2%
FY202018.3M−3%
FY201918.8M+4%
FY201818M−10%
FY201720M+2%
FY201619.5M−5%
FY201520.6M−0%
FY201420.6M+0%
FY201320.5M−0%
FY201220.6M+3%

Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.

Quarter by quarter

QuarterEndedShares outstandingOn a year earlier
Q4 FY2616.9M−3%
Q3 FY2617.3M+1%
Q2 FY2617.5M+3%
Q1 FY2617.5M+2%
Q4 FY2517.4M−0%
Q3 FY2517.2M−2%
Q2 FY2517M−2%
Q1 FY2517.1M−1%
Q4 FY2417.5M+1%
Q3 FY2417.4M+1%
Q2 FY2417.3M+1%
Q1 FY2417.2M−0%

What the shares outstanding tells you

Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.

A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.

More on OSI Systems

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.