Trinseo PLC - Ordinary Shares, par value $0.01 per share (TSE)

Historical Holders from Q3 2019 to Q3 2025

Symbol
TSE on NYSE
Type / Class
Equity / Ordinary Shares, par value $0.01 per share
Shares outstanding
35,464,436
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
26,848,081
Holdings value
$60,426,503
% of all portfolios
0%
Number of holders
74
Number of buys
36
Number of sells
-36
Average buys %
+0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Trinseo PLC - Ordinary Shares, par value $0.01 per share (TSE)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
CastleKnight Master Fund LP 7.8% $8,022,055 2,766,226 CastleKnight Master Fund LP 30 Jun 2025
BlackRock, Inc. 6.3% $8,456,719 2,255,125 BlackRock, Inc. 30 Jun 2025

Institutional Holders of Trinseo PLC - Ordinary Shares, par value $0.01 per share (TSE)

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q3 26,848,081 $60,426,503 -$2,561,222 $2.35 74
2025 Q2 27,680,017 $85,444,543 +$6,908,226 $3.12 80
2025 Q1 25,205,020 $95,192,408 +$227,708 $3.68 85
2024 Q4 24,965,599 $126,559,235 +$8,302,489 $5.10 95
2024 Q3 22,908,998 $116,234,027 -$3,240,258 $5.11 71
2024 Q2 25,261,519 $55,987,559 -$9,396,897 $2.31 95
2024 Q1 27,408,421 $105,280,091 -$21,098,784 $3.78 104
2023 Q4 29,143,643 $241,188,653 -$5,907,974 $8.37 126
2023 Q3 29,752,666 $241,775,134 -$41,807,613 $8.17 144
2023 Q2 32,802,961 $418,132,080 -$12,498,617 $12.67 140
2023 Q1 33,318,012 $695,818,411 +$11,139,887 $20.85 165
2022 Q4 32,790,143 $747,004,231 +$30,441,354 $22.71 178
2022 Q3 31,874,971 $581,417,571 -$50,356,911 $18.32 163
2022 Q2 34,023,738 $1,305,500,527 -$11,045,976 $38.46 183
2022 Q1 34,508,974 $1,654,900,596 -$28,237,350 $47.92 181
2021 Q4 35,066,439 $1,836,288,499 +$1,805,342,295 $52.46 171
2021 Q3 232,117 $12,490,120 +$12,441,532 $53.97 14
2021 Q2 900 $53,856 $59.84 1
2021 Q1 900 $57,303 -$1,000 $63.67 1
2020 Q4 916 $47,089 $56.86 2
2020 Q3 900 $23,076 $25.64 1
2020 Q2 900 $19,944 +$19,944 $22.16 1
2019 Q4 0 $0 -$32,728 0
2019 Q3 762 $32,728 +$32,728 $42.95 1