Quick Answer
Koppers Holdings Inc. reported Diluted EPS of $2.74 per share for fiscal year 2025.
Koppers Holdings Inc. Diluted EPS — Annual History
| Fiscal Year | Diluted EPS | YoY Change |
|---|---|---|
| 2025 | $2.74 | +11.4% |
| 2024 | $2.46 | -40.6% |
| 2023 | $4.14 | +38.9% |
| 2022 | $2.98 | -23.2% |
| 2021 | $3.88 | -32.0% |
| 2020 | $5.71 | +80.7% |
| 2019 | $3.16 | +187.3% |
| 2018 | $1.10 | -16.7% |
| 2017 | $1.32 | -5.0% |
| 2016 | $1.39 | +139.6% |
| 2015 | -$3.51 | -122.2% |
| 2014 | -$1.58 | -181.4% |
| 2013 | $1.94 | -38.0% |
| 2012 | $3.13 | +76.8% |
| 2011 | $1.77 | -16.9% |
| 2010 | $2.13 | +134.1% |
| 2009 | $0.91 | -86.3% |
| 2008 | $6.65 | — |
Quarterly Diluted EPS
| Quarter Ending | Diluted EPS | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $1.17 | +7.3% | +44.4% |
| June 30, 2025 | $0.81 | -35.2% | +219.1% |
| March 31, 2025 | -$0.68 | -215.3% | -162.4% |
| September 30, 2024 | $1.09 | -10.7% | -12.8% |
| June 30, 2024 | $1.25 | +8.7% | +111.9% |
| March 31, 2024 | $0.59 | -50.4% | -51.6% |
| September 30, 2023 | $1.22 | +34.1% | +6.1% |
| June 30, 2023 | $1.15 | +109.1% | -3.4% |
- Koppers Holdings Inc. showed an increase of +11.4% in Diluted EPS compared to the prior fiscal year.
- Over the 2008–2025 period, Koppers Holdings Inc.’s diluted eps has declined by 58.8% (from $6.65 per share to $2.74 per share).
- The most recent figure is from Koppers Holdings Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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