HALOZYME THERAPEUTICS, INC. Common Stock Shares Outstanding

• HALOZYME THERAPEUTICS, INC. showed a decrease of -4.3% in Common Stock Shares Outstanding from 2024 to 2025.
• This data is from HALOZYME THERAPEUTICS, INC.'s annual report (Form 10-K), filed with the SEC on February 17, 2026.
• XBRL data for this metric is available from 2010 to 2025 (16 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
• Quarterly values from 10-Q filings: Q2 2011: 103.61 million shares | Q3 2011: 103.65 million shares | Q1 2012: 112.41 million shares | Q2 2012: 112.69 million shares | Q3 2012: 112.69 million shares | Q1 2013: 113.14 million shares | Q2 2013: 113.29 million shares | Q3 2013: 113.99 million shares | Q1 2014: 124.48 million shares | Q2 2014: 125.29 million shares | Q3 2014: 125.55 million shares | Q1 2015: 127.16 million shares | Q2 2015: 127.76 million shares | Q3 2015: 127.81 million shares | Q1 2016: 129.11 million shares | Q2 2016: 129.41 million shares | Q3 2016: 129.49 million shares | Q1 2017: 129.82 million shares | Q2 2017: 141.91 million shares | Q3 2017: 142.30 million shares | Q1 2018: 143.89 million shares | Q2 2018: 144.22 million shares | Q3 2018: 144.52 million shares | Q1 2019: 145.37 million shares | Q2 2019: 145.86 million shares | Q3 2019: 146.46 million shares | Q1 2020: 135.36 million shares | Q2 2020: 136.67 million shares | Q3 2020: 135.37 million shares | Q1 2021: 143.38 million shares | Q2 2021: 142.18 million shares | Q3 2021: 140.97 million shares | Q1 2022: 137.89 million shares | Q2 2022: 137.68 million shares | Q3 2022: 135.21 million shares | Q1 2023: 131.66 million shares | Q2 2023: 131.86 million shares | Q3 2023: 132.08 million shares | Q1 2024: 127.19 million shares | Q2 2024: 126.54 million shares | Q3 2024: 127.18 million shares | Q1 2025: 123.17 million shares | Q2 2025: 117.62 million shares | Q3 2025: 117.52 million shares.
• Over the full 16 years of available data (2010 to 2025), HALOZYME THERAPEUTICS, INC.'s Common Stock Shares Outstanding has grown by 17.1%.
• Historical annual values: Fiscal year 2025: 117.78 million shares | Fiscal year 2024: 123.14 million shares | Fiscal year 2023: 126.77 million shares | Fiscal year 2022: 135.15 million shares | Fiscal year 2021: 137.50 million shares | Fiscal year 2020: 135.03 million shares | Fiscal year 2019: 136.71 million shares | Fiscal year 2018: 144.73 million shares | Fiscal year 2017: 142.79 million shares | Fiscal year 2016: 129.50 million shares | Fiscal year 2015: 128.15 million shares | Fiscal year 2014: 125.72 million shares | Fiscal year 2013: 114.53 million shares | Fiscal year 2012: 112.71 million shares | Fiscal year 2011: 103.99 million shares | Fiscal year 2010: 100.58 million shares.
• Data sourced from SEC EDGAR public filings as of August 10, 2026.

Last verified: August 10, 2026