Otter Tail Corp Common Stock Shares Outstanding

• Otter Tail Corp showed an increase of +0.2% in Common Stock Shares Outstanding from 2024 to 2025.
• This data is from Otter Tail Corp's annual report (Form 10-K), filed with the SEC on February 18, 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: 35.93 million shares | Q3 2010: 35.93 million shares | Q1 2011: 36.00 million shares | Q2 2011: 36.06 million shares | Q3 2011: 36.06 million shares | Q1 2012: 36.11 million shares | Q2 2012: 36.16 million shares | Q3 2012: 36.16 million shares | Q1 2013: 36.21 million shares | Q2 2013: 36.27 million shares | Q3 2013: 36.27 million shares | Q1 2014: 36.41 million shares | Q2 2014: 36.62 million shares | Q3 2014: 36.80 million shares | Q1 2015: 37.42 million shares | Q2 2015: 37.57 million shares | Q3 2015: 37.73 million shares | Q1 2016: 38.07 million shares | Q2 2016: 38.70 million shares | Q3 2016: 39.22 million shares | Q1 2017: 39.47 million shares | Q2 2017: 39.56 million shares | Q3 2017: 39.56 million shares | Q1 2018: 39.63 million shares | Q2 2018: 39.65 million shares | Q3 2018: 39.66 million shares | Q1 2019: 39.73 million shares | Q2 2019: 39.75 million shares | Q3 2019: 39.76 million shares | Q1 2020: 40.38 million shares | Q2 2020: 40.85 million shares | Q3 2020: 41.05 million shares | Q1 2021: 41.51 million shares | Q2 2021: 41.54 million shares | Q3 2021: 41.54 million shares | Q1 2022: 41.61 million shares | Q2 2022: 41.63 million shares | Q3 2022: 41.63 million shares | Q1 2023: 41.68 million shares | Q2 2023: 41.71 million shares | Q3 2023: 41.71 million shares | Q1 2024: 41.78 million shares | Q2 2024: 41.81 million shares | Q3 2024: 41.83 million shares | Q1 2025: 41.87 million shares | Q2 2025: 41.90 million shares | Q3 2025: 41.91 million shares.
• Over the full 17 years of available data (2009 to 2025), Otter Tail Corp's Common Stock Shares Outstanding has grown by 17.0%.
• Historical annual values: Fiscal year 2025: 41.91 million shares | Fiscal year 2024: 41.83 million shares | Fiscal year 2023: 41.71 million shares | Fiscal year 2022: 41.63 million shares | Fiscal year 2021: 41.55 million shares | Fiscal year 2020: 41.47 million shares | Fiscal year 2019: 40.16 million shares | Fiscal year 2018: 39.66 million shares | Fiscal year 2017: 39.56 million shares | Fiscal year 2016: 39.35 million shares | Fiscal year 2015: 37.86 million shares | Fiscal year 2014: 37.22 million shares | Fiscal year 2013: 36.27 million shares | Fiscal year 2012: 36.17 million shares | Fiscal year 2011: 36.10 million shares | Fiscal year 2010: 36.00 million shares | Fiscal year 2009: 35.81 million shares.
• Data sourced from SEC EDGAR public filings as of August 10, 2026.

Last verified: August 10, 2026