GATX CORP Common Stock Shares Outstanding

• GATX CORP showed a decrease of -0.5% in Common Stock Shares Outstanding from 2024 to 2025.
• This data is from GATX CORP's annual report (Form 10-K), filed with the SEC on February 19, 2026.
• XBRL data for this metric is available from 2009 to 2025 (17 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 2010: 46.30 million shares | Q3 2010: 46.30 million shares | Q1 2011: 46.39 million shares | Q2 2011: 46.58 million shares | Q3 2011: 46.60 million shares | Q1 2012: 46.83 million shares | Q2 2012: 46.87 million shares | Q3 2012: 46.89 million shares | Q1 2013: 46.77 million shares | Q2 2013: 46.22 million shares | Q3 2013: 46.22 million shares | Q1 2014: 46.05 million shares | Q2 2014: 44.79 million shares | Q3 2014: 44.17 million shares | Q1 2015: 43.90 million shares | Q2 2015: 43.22 million shares | Q3 2015: 42.37 million shares | Q1 2016: 40.88 million shares | Q2 2016: 40.44 million shares | Q3 2016: 39.88 million shares | Q1 2017: 39.09 million shares | Q2 2017: 38.72 million shares | Q3 2017: 38.31 million shares | Q1 2018: 37.69 million shares | Q2 2018: 37.70 million shares | Q3 2018: 37.63 million shares | Q1 2019: 36.20 million shares | Q2 2019: 35.67 million shares | Q3 2019: 35.09 million shares | Q1 2020: 34.93 million shares | Q2 2020: 34.96 million shares | Q3 2020: 34.98 million shares | Q1 2021: 35.39 million shares | Q2 2021: 35.47 million shares | Q3 2021: 35.48 million shares | Q1 2022: 35.61 million shares | Q2 2022: 35.31 million shares | Q3 2022: 35.23 million shares | Q1 2023: 35.34 million shares | Q2 2023: 35.45 million shares | Q3 2023: 35.48 million shares | Q1 2024: 35.58 million shares | Q2 2024: 35.62 million shares | Q3 2024: 35.54 million shares | Q1 2025: 35.68 million shares | Q2 2025: 35.64 million shares | Q3 2025: 35.68 million shares.
• Over the full 17 years of available data (2009 to 2025), GATX CORP's Common Stock Shares Outstanding has declined by 23.2%.
• Historical annual values: Fiscal year 2025: 35.40 million shares | Fiscal year 2024: 35.58 million shares | Fiscal year 2023: 35.46 million shares | Fiscal year 2022: 35.27 million shares | Fiscal year 2021: 35.42 million shares | Fiscal year 2020: 35.05 million shares | Fiscal year 2019: 34.83 million shares | Fiscal year 2018: 36.61 million shares | Fiscal year 2017: 37.90 million shares | Fiscal year 2016: 39.44 million shares | Fiscal year 2015: 41.97 million shares | Fiscal year 2014: 44.20 million shares | Fiscal year 2013: 45.87 million shares | Fiscal year 2012: 46.90 million shares | Fiscal year 2011: 46.65 million shares | Fiscal year 2010: 46.36 million shares | Fiscal year 2009: 46.10 million shares.
• Data sourced from SEC EDGAR public filings as of August 10, 2026.

Last verified: August 10, 2026