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% $7,219,850 2,766,226 CastleKnight Master Fund LP 30 Jun 2025
BlackRock, Inc. 6.3% $5,660,364 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 -$2,561,209 $2.35 74
2025 Q2 27,680,017 $85,444,543 +$6,908,212 $3.12 80
2025 Q1 25,205,020 $95,192,408 +$227,707 $3.68 85
2024 Q4 24,965,599 $126,559,237 +$8,302,961 $5.10 95
2024 Q3 22,908,998 $116,233,553 -$3,239,619 $5.11 71
2024 Q2 25,261,145 $55,987,199 -$9,375,064 $2.31 95
2024 Q1 27,408,421 $105,280,782 -$20,330,972 $3.78 104
2023 Q4 38,619 $323,241 -$644 $8.37 2
2023 Q3 29,751,731 $241,766,679 -$38,370,058 $8.17 144
2023 Q2 32,521,085 $414,560,571 -$18,376,736 $12.67 139
2023 Q1 32,882,586 $686,740,624 +$11,327,601 $20.85 162
2022 Q4 32,695,947 $744,865,859 +$31,101,210 $22.71 176
2022 Q3 25,652,951 $467,427,129 -$48,477,734 $18.32 160
2022 Q2 34,015,467 $1,305,182,201 -$14,756,359 $38.46 181
2022 Q1 34,246,850 $1,642,330,528 -$26,275,223 $47.92 175
2021 Q4 35,029,671 $1,834,359,577 +$1,803,413,863 $52.46 169
2021 Q3 232,117 $12,490,120 +$12,441,531 $53.97 14
2021 Q2 900 $53,856 $0 $59.84 1
2021 Q1 900 $57,303 -$1,000 $63.67 1
2020 Q4 916 $47,089 $0 $56.86 2
2020 Q3 900 $23,076 $0 $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