Superworth

Halozyme Therapeutics shares outstanding HALO

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

Latest quarter, to Jun 30, 2026
121.2M
On a year earlier
−2.4%
fewer shares

Halozyme Therapeutics had 121.2M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.

That is 2.4% 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
FY2025117.7M−9%
FY2024129.1M−2%
FY2023131.1M−6%
FY2022139.4M−3%
FY2021144.3M−1%
FY2020145.1M+3%
FY2019141M−2%
FY2018144.2M−1%
FY2017145.6M+14%
FY2016128.2M+3%
FY2014124.3M+9%
FY2013113.6M+1%
FY2012112.3M+9%
FY2011103.4Mn/a

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
Q2 FY26121.2M−2%
Q1 FY26122.9M−3%
Q4 FY25117.7M−9%
Q3 FY25122.3M−6%
Q2 FY25124.2M−4%
Q1 FY25126.6M−2%
Q4 FY24129.1M−2%
Q3 FY24130.1M−3%
Q2 FY24129.2M−3%
Q1 FY24128.9M−7%
Q4 FY23131.1M−6%
Q3 FY23134.1M−4%

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 Halozyme Therapeutics

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