Quick Answer
ATI INC reported Shares Outstanding of 135.93 million shares for fiscal year 2025.
ATI INC Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 135.93M | -3.9% |
| 2024 | 141.39M | +11.4% |
| 2023 | 126.88M | -1.1% |
| 2022 | 128.27M | +0.8% |
| 2021 | 127.25M | +0.3% |
| 2020 | 126.82M | +0.6% |
| 2019 | 126.09M | +0.3% |
| 2018 | 125.68M | -0.1% |
| 2017 | 125.86M | +15.5% |
| 2016 | 108.93M | -0.2% |
| 2015 | 109.17M | +0.4% |
| 2014 | 108.71M | +0.7% |
| 2013 | 107.98M | +0.5% |
| 2012 | 107.40M | +1.0% |
| 2011 | 106.35M | +7.9% |
| 2010 | 98.54M | +0.5% |
| 2009 | 98.07M | +0.8% |
| 2008 | 97.33M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 135.86M | -4.7% | -1.4% |
| June 30, 2025 | 137.83M | +10.7% | -2.3% |
| March 31, 2025 | 141.07M | +13.4% | -0.2% |
| December 31, 2024 | 141.39M | +11.4% | -0.9% |
| September 30, 2024 | 142.63M | +11.8% | +14.6% |
| June 30, 2024 | 124.46M | -3.2% | +0.0% |
| March 31, 2024 | 124.44M | -3.2% | -1.9% |
| December 31, 2023 | 126.88M | -1.1% | -0.5% |
- ATI INC showed a decrease of -3.9% in Shares Outstanding compared to the prior fiscal year.
- Over the 2008–2025 period, ATI INC’s shares outstanding has grown by 39.7% (from 97.33 million shares to 135.93 million shares).
- The most recent figure is from ATI INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 20, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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