TickerFacts.

Trinseo PLC (TSEOQ): Shares Outstanding

Annual figures by period end, from SEC filings.

36.00M
As of 2025-12-31
36.60M
As of 2026-06-30
+0.8%
3-year compound annual growth
-1.3%
5-year compound annual growth
-3.0%
10-year compound annual growth
48.78M2013-12-31: 37.27M2014-12-31: 48.77M2015-12-31: 48.78M2016-12-31: 44.30M2017-12-31: 43.40M2018-12-31: 41.60M2019-12-31: 39.00M2020-12-31: 38.40M2021-12-31: 37.90M2022-12-31: 35.10M2023-12-31: 35.20M2024-12-31: 35.40M2025-12-31: 36.00M36.00M
2013-12-31 Shares Outstanding (shares) 2025-12-31
Period endedShares OutstandingChange YoYSource filing
2025-12-3136.00M+1.7%2026-03-13, Balance as of period end
2024-12-3135.40M+0.6%2026-03-13, Balance as of period end
2023-12-3135.20M+0.3%2025-02-27, Balance as of period end
2022-12-3135.10M-7.4%2024-02-23, Balance as of period end
2021-12-3137.90M-1.3%2023-02-27, Balance as of period end
2020-12-3138.40M-1.5%2022-02-23, Balance as of period end
2019-12-3139.00M-6.3%2021-02-22, Balance as of period end
2018-12-3141.60M-4.1%2020-02-28, Balance as of period end
2017-12-3143.40M-2.0%2019-02-28, Balance as of period end
2016-12-3144.30M-9.2%2018-03-01, Balance as of period end
2015-12-3148.78M0.0%2017-03-01, Balance as of period end
2014-12-3148.77M+30.9%2015-03-10, Balance as of period end
2013-12-3137.27Mn/a2015-03-10, Balance as of period end