Quick Answer
Trinseo PLC reported Long-Term Debt of $2.33 billion for fiscal year 2025.
Trinseo PLC Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2025 | $2.33B | +6.0% |
| 2024 | $2.20B | -3.4% |
| 2023 | $2.28B | -1.0% |
| 2022 | $2.30B | -0.2% |
| 2021 | $2.31B | +99.1% |
| 2020 | $1.16B | -0.4% |
| 2019 | $1.16B | +0.2% |
| 2018 | $1.16B | -0.4% |
| 2017 | $1.17B | +0.4% |
| 2016 | $1.16B | -1.4% |
| 2015 | $1.18B | -1.5% |
| 2014 | $1.19B | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $2.33B | +6.7% | +0.5% |
| June 30, 2025 | $2.32B | +2.0% | +0.7% |
| March 31, 2025 | $2.31B | +1.2% | +4.7% |
| December 31, 2024 | $2.20B | -3.4% | +0.6% |
| September 30, 2024 | $2.19B | -3.8% | -3.9% |
| June 30, 2024 | $2.28B | -1.0% | -0.0% |
| March 31, 2024 | $2.28B | -1.0% | -0.0% |
| December 31, 2023 | $2.28B | -1.0% | +0.1% |
- Trinseo PLC showed an increase of +6.0% in Long-Term Debt compared to the prior fiscal year.
- Over the 2014–2025 period, Trinseo PLC’s long-term debt has grown by 95.2% (from $1.19 billion to $2.33 billion).
- The most recent figure is from Trinseo PLC’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 13, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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