Q3 2025 13F Holders as of 30 Sep 2025
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Type / Class
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Equity / Ordinary Shares, par value $0.01 per share
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Shares outstanding
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35.5M
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Number of holders
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74
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Total 13F shares, excl. options
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26.8M
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Shares change
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-814K
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Total reported value, excl. options
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$60.4M
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Value change
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-$2.56M
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Number of buys
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36
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Number of sells
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-36
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Price
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$2.35
Significant Holders of Trinseo PLC - Ordinary Shares, par value $0.01 per share (TSE) as of Q3 2025
96 filings reported holding TSE - Trinseo PLC - Ordinary Shares, par value $0.01 per share as of Q3 2025.
Trinseo PLC - Ordinary Shares, par value $0.01 per share (TSE) has 74 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 26.8M shares
of 35.5M outstanding shares and own 75.7% of the company stock.
Largest 10 shareholders include M&G PLC (7.63M shares), Nut Tree Capital Management, LP (3.5M shares), CastleKnight Management LP (2.47M shares), BlackRock, Inc. (2.37M shares), Owl Creek Asset Management, L.P. (1.67M shares), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (1.51M shares), BRIGHTLINE CAPITAL MANAGEMENT, LLC (1.06M shares), ICON ADVISERS INC/CO (1M shares), GEODE CAPITAL MANAGEMENT, LLC (842K shares), and VANGUARD GROUP INC (756K shares).
This table shows the top 74 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.