Quick Answer
Ecovyst Inc. reported Shares Outstanding of 111.81 million shares for fiscal year 2025.
Ecovyst Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 111.81M | -4.1% |
| 2024 | 116.53M | +0.4% |
| 2023 | 116.12M | -5.0% |
| 2022 | 122.19M | -10.8% |
| 2021 | 136.94M | +0.5% |
| 2020 | 136.32M | -0.1% |
| 2019 | 136.46M | +0.6% |
| 2018 | 135.59M | +0.3% |
| 2017 | 135.24M | +27.1% |
| 2016 | 106.43M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 114.02M | -2.1% | -0.4% |
| June 30, 2025 | 114.49M | -1.7% | -2.5% |
| March 31, 2025 | 117.39M | +0.3% | +0.7% |
| December 31, 2024 | 116.53M | +0.4% | +0.0% |
| September 30, 2024 | 116.51M | +0.3% | +0.0% |
| June 30, 2024 | 116.47M | +0.2% | -0.5% |
| March 31, 2024 | 117.00M | -2.6% | +0.8% |
| December 31, 2023 | 116.12M | -5.0% | +0.0% |
- Ecovyst Inc. showed a decrease of -4.1% in Shares Outstanding compared to the prior fiscal year.
- Over the 2016–2025 period, Ecovyst Inc.’s shares outstanding has grown by 5.0% (from 106.43 million shares to 111.81 million shares).
- The most recent figure is from Ecovyst Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 27, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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