Trinseo PLC - TSE
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | No change | 762,828 | 379 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| Kohmann Bosshard Financial Services, LLC | History | No change | 44,605 | 4 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| Nuveen, LLC | History | No change | 44,280 | 4 | 0.0% | 0.0% | 3 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| M&G Plc | History | Closed out | 0 | 0 | — | 0.02% | — | -7,625,044 | -100.0% | Q1 2026 | May 13, 2026 |
| Nut Tree Capital Management, LP | History | Closed out | 0 | 0 | — | 0.33% | — | -3,500,000 | -100.0% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -2,413,178 | -100.0% | Q1 2026 | May 13, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -2,091,125 | -100.0% | Q1 2026 | May 15, 2026 |
| Owl Creek Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.03% | — | -1,669,952 | -100.0% | Q1 2026 | May 15, 2026 |
| ICON ADVISERS INC/CO | History | Closed out | 0 | 0 | — | 0.11% | — | -1,000,000 | -100.0% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -841,720 | -100.0% | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -580,623 | -100.0% | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Closed out | 0 | 0 | — | 0.0% | — | -536,422 | -100.0% | Q1 2026 | May 15, 2026 |
| CastleKnight Management LP | History | Closed out | 0 | 0 | — | 0.01% | — | -516,826 | -100.0% | Q1 2026 | May 15, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Closed out | 0 | 0 | — | 0.02% | — | -511,342 | -100.0% | Q1 2026 | May 08, 2026 |
| STATE STREET CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -478,033 | -100.0% | Q1 2026 | May 15, 2026 |
| LAKEWOOD CAPITAL MANAGEMENT, LP | History | Closed out | 0 | 0 | — | 0.01% | — | -281,279 | -100.0% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -276,100 | -100.0% | Q1 2026 | May 14, 2026 |
| NORTHERN TRUST CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -245,801 | -100.0% | Q1 2026 | May 14, 2026 |
| UBS Group AG | History | Closed out | 0 | 0 | — | 0.0% | — | -184,497 | -100.0% | Q1 2026 | May 05, 2026 |
| Alta Fundamental Advisers LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -152,974 | -100.0% | Q1 2026 | May 05, 2026 |
| DEUTSCHE BANK AG\ | History | Closed out | 0 | 0 | — | 0.0% | — | -125,610 | -100.0% | Q1 2026 | May 06, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Closed out | 0 | 0 | — | 0.0% | — | -98,606 | -100.0% | Q1 2026 | May 07, 2026 |
| Bank of New York Mellon Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -80,741 | -100.0% | Q1 2026 | May 05, 2026 |
| Invesco Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -70,320 | -100.0% | Q1 2026 | May 12, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -67,624 | -100.0% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | Reduced | 4,802 | 0 | — | 0.0% | — | -48,453 | -90.98% | Q1 2026 | May 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Closed out | 0 | 0 | — | 0.0% | — | -40,483 | -100.0% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -39,804 | -100.0% | Q1 2026 | May 15, 2026 |
| Mariner, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -39,200 | -100.0% | Q1 2026 | May 13, 2026 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | 0.0% | — | -38,474 | -100.0% | Q1 2026 | May 11, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -37,379 | -100.0% | Q1 2026 | May 14, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -33,646 | -100.0% | Q1 2026 | May 15, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | Closed out | 0 | 0 | — | 0.0% | — | -29,500 | -100.0% | Q1 2026 | May 06, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 1,654 | 0 | — | 0.0% | — | -20,288 | -92.46% | Q1 2026 | May 12, 2026 |
| Jain Global LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -19,119 | -100.0% | Q1 2026 | May 15, 2026 |
| VestGen Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -18,610 | -100.0% | Q1 2026 | May 14, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | 0.0% | — | -18,518 | -100.0% | Q1 2026 | May 13, 2026 |
| Strategies Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -18,023 | -100.0% | Q1 2026 | May 15, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -16,406 | -100.0% | Q1 2026 | May 15, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -16,342 | -100.0% | Q1 2026 | May 15, 2026 |
| INTECH INVESTMENT MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,209 | -100.0% | Q1 2026 | May 08, 2026 |
| Red Door Wealth Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,000 | -100.0% | Q1 2026 | Apr 22, 2026 |
| Ground Swell Capital, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -11,765 | -100.0% | Q1 2026 | Apr 21, 2026 |
| Ethic Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -11,547 | -100.0% | Q1 2026 | Apr 27, 2026 |
| EWA, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,493 | -100.0% | Q1 2026 | Apr 23, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | Closed out | 0 | 0 | — | 0.0% | — | -8,769 | -100.0% | Q1 2026 | Apr 29, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | 0.0% | — | -8,370 | -100.0% | Q1 2026 | May 12, 2026 |
| Ameritas Investment Partners, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -3,476 | -100.0% | Q1 2026 | May 13, 2026 |
| Legal & General Group Plc | History | Closed out | 0 | 0 | — | 0.0% | — | -3,098 | -100.0% | Q1 2026 | May 08, 2026 |
| Russell Investments Group, Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -2,820 | -100.0% | Q1 2026 | May 08, 2026 |
| ROYAL BANK OF CANADA | History | Closed out | 0 | 0 | — | 0.0% | — | -2,460 | -100.0% | Q1 2026 | May 15, 2026 |
| Sterling Capital Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -2,349 | -100.0% | Q1 2026 | Apr 22, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Closed out | 0 | 0 | — | 0.0% | — | -2,091 | -100.0% | Q1 2026 | May 15, 2026 |
| CWM, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,259 | -100.0% | Q1 2026 | May 14, 2026 |
| GAMMA Investing LLC | History | Added to | 2,148 | 0 | — | — | — | +1,096 | 104.18% | Q1 2026 | Apr 06, 2026 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -1,070 | -100.0% | Q1 2026 | May 08, 2026 |
| FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A. | History | Closed out | 0 | 0 | — | — | — | -1,000 | -100.0% | Q1 2026 | Apr 27, 2026 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | — | — | -770 | -100.0% | Q1 2026 | May 11, 2026 |
| GROUP ONE TRADING LLC | History | Closed out | 0 | 0 | — | — | — | -722 | -100.0% | Q1 2026 | May 13, 2026 |
| EverSource Wealth Advisors, LLC | History | Added to | 5,430 | 0 | — | 0.0% | — | +345 | 6.78% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | Closed out | 0 | 0 | — | — | — | -231 | -100.0% | Q1 2026 | May 15, 2026 |
| Torren Management, LLC | History | Closed out | 0 | 0 | — | — | — | -178 | -100.0% | Q1 2026 | Apr 30, 2026 |
| Steward Partners Investment Advisory, LLC | History | Closed out | 0 | 0 | — | — | — | -86 | -100.0% | Q1 2026 | May 08, 2026 |
| Sunbelt Securities, Inc. | History | New | 64 | 0 | — | — | — | +64 | New | Q1 2026 | May 15, 2026 |
| Essential Partners LLC | History | Added to | 66 | 0 | — | — | — | +57 | 633.33% | Q1 2026 | May 21, 2026 |
| IFP Advisors, Inc | History | Added to | 55 | 0 | — | — | — | +42 | 323.08% | Q1 2026 | Apr 13, 2026 |
| Allworth Financial LP | History | Closed out | 0 | 0 | — | — | — | -19 | -100.0% | Q1 2026 | May 14, 2026 |
| Farther Finance Advisors, LLC | History | New | 15 | 0 | — | — | — | +15 | New | Q1 2026 | Apr 07, 2026 |
| True Wealth Design, LLC | History | Closed out | 0 | 0 | — | — | — | -11 | -100.0% | Q1 2026 | Apr 13, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | Added to | 7 | 0 | — | — | — | +6 | 600.0% | Q1 2026 | May 07, 2026 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | — | — | -4 | -100.0% | Q1 2026 | Apr 27, 2026 |
| McIlrath & Eck, LLC | History | No change | 1,444 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 19, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 160 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| SWAN Capital LLC | History | No change | 250 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Stephens Consulting, LLC | History | No change | 231 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 13, 2026 |