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
35.5M
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
26.8M
Holdings value
$60.4M
% of all portfolios
0%
Grand Portfolio weight change
0%
Number of holders
74
Number of buys
36
Number of sells
-36
Average Value change %
+0%
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% $7.22M 2.77M CastleKnight Master Fund LP 30 Jun 2025
BlackRock, Inc. 6.3% $5.66M 2.26M 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 Change Price Investors
2025 Q3 26.8M $60.4M -$2.56M $2.35 74
2025 Q2 27.7M $85.4M +$6.91M $3.12 80
2025 Q1 25.2M $95.2M +$228K $3.68 85
2024 Q4 25M $127M +$8.3M $5.10 95
2024 Q3 22.9M $116M -$3.24M $5.11 71
2024 Q2 25.3M $56M -$9.38M $2.31 95
2024 Q1 27.4M $105M -$20.3M $3.78 104
2023 Q4 38.6K $323K -$644 $8.37 2
2023 Q3 29.8M $242M -$38.4M $8.17 144
2023 Q2 32.5M $415M -$18.4M $12.67 139
2023 Q1 32.9M $687M +$11.3M $20.85 162
2022 Q4 32.7M $745M +$31.1M $22.71 176
2022 Q3 25.7M $467M -$48.5M $18.32 160
2022 Q2 34M $1.31B -$14.8M $38.46 181
2022 Q1 34.2M $1.64B -$26.3M $47.92 175
2021 Q4 35M $1.83B +$1.8B $52.46 169
2021 Q3 232K $12.5M +$12.4M $53.97 14
2021 Q2 900 $53.9K $0 $59.84 1
2021 Q1 900 $57.3K -$1K $63.67 1
2020 Q4 916 $47.1K $0 $56.86 2
2020 Q3 900 $23.1K $0 $25.64 1
2020 Q2 900 $19.9K +$19.9K $22.16 1
2019 Q4 0 $0 -$32.7K 0
2019 Q3 762 $32.7K +$32.7K $42.95 1