ARROWHEAD PHARMACEUTICALS, INC. Common Stock Shares Outstanding

• ARROWHEAD PHARMACEUTICALS, INC. showed an increase of +9.1% in Common Stock Shares Outstanding from 2024 to 2025.
• This data is from ARROWHEAD PHARMACEUTICALS, INC.'s annual report (Form 10-K), filed with the SEC on November 25, 2025.
• XBRL data for this metric is available from 2011 to 2025 (15 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: Q3 2010: 71.72 million shares | Q2 2011: 71.83 million shares | Q4 2011: 10.53 million shares | Q1 2012: 10.81 million shares | Q2 2012: 11.31 million shares | Q4 2012: 15.64 million shares | Q1 2013: 17.04 million shares | Q2 2013: 31.31 million shares | Q4 2013: 39.00 million shares | Q1 2014: 51.87 million shares | Q2 2014: 52.91 million shares | Q4 2014: 54.72 million shares | Q1 2015: 59.44 million shares | Q2 2015: 59.50 million shares | Q4 2015: 59.63 million shares | Q1 2016: 59.96 million shares | Q2 2016: 60.43 million shares | Q4 2016: 74.41 million shares | Q1 2017: 74.77 million shares | Q2 2017: 74.77 million shares | Q4 2017: 74.92 million shares | Q1 2018: 87.57 million shares | Q2 2018: 87.85 million shares | Q4 2018: 92.59 million shares | Q1 2019: 94.67 million shares | Q2 2019: 95.21 million shares | Q4 2019: 101.11 million shares | Q1 2020: 101.75 million shares | Q2 2020: 102.25 million shares | Q4 2020: 103.19 million shares | Q1 2021: 104.02 million shares | Q2 2021: 104.21 million shares | Q4 2021: 104.80 million shares | Q1 2022: 105.70 million shares | Q2 2022: 105.80 million shares | Q4 2022: 106.14 million shares | Q1 2023: 106.87 million shares | Q2 2023: 107.10 million shares | Q4 2023: 107.50 million shares | Q1 2024: 124.13 million shares | Q2 2024: 124.23 million shares | Q4 2024: 125.57 million shares | Q1 2025: 138.06 million shares | Q2 2025: 138.14 million shares | Q3 2025: 135.70 million shares | Q4 2025: 137.39 million shares.
• Over the full 15 years of available data (2011 to 2025), ARROWHEAD PHARMACEUTICALS, INC.'s Common Stock Shares Outstanding has grown by 1,470.2%.
• Historical annual values: Fiscal year 2025: 135.70 million shares | Fiscal year 2024: 124.38 million shares | Fiscal year 2023: 107.31 million shares | Fiscal year 2022: 105.96 million shares | Fiscal year 2021: 104.33 million shares | Fiscal year 2020: 102.38 million shares | Fiscal year 2019: 95.51 million shares | Fiscal year 2018: 88.51 million shares | Fiscal year 2017: 74.79 million shares | Fiscal year 2016: 69.75 million shares | Fiscal year 2015: 59.54 million shares | Fiscal year 2014: 54.66 million shares | Fiscal year 2013: 32.49 million shares | Fiscal year 2012: 13.58 million shares | Fiscal year 2011: 8.64 million shares.
• Data sourced from SEC EDGAR public filings as of August 10, 2026.

Last verified: August 10, 2026