Trinseo PLC
TSEOQ- Exchange
- OTC
- Industry
- Plastic Materials, Synth Resins & Nonvulcan Elastomers
- SEC CIK
- 0001519061
No open-market purchases or sales by Trinseo PLC insiders were filed in the last 90 days; 6 institutions reported holding it in 13F filings for Q2 2026, worth $740 in total; no superinvestor holds it.
Q3 2025 vs. Q2 2025
How the institutions holding Trinseo PLC changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 80 | 75 | −5 |
| Shares | 27.7M | 26.8M | −832.0K (−3.0%) |
| Value | $85.4M | $60.4M | −$25.0M (−29.3%) |
New holders (15)
Institutions that held Trinseo PLC at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Alta Fundamental Advisers LLC | 152,974 | $359.5K | 0.17% |
| Voleon Capital Management LP | 82,074 | $192.9K | 0.00% |
| Mariner, LLC | 39,200 | $92.1K | 0.00% |
| AQR Capital Management LLC | 24,583 | $57.8K | 0.00% |
| Cubist Systematic Strategies, LLC | 20,026 | $47.1K | 0.00% |
| EverSource Wealth Advisors, LLC | 5,090 | $12.0K | 0.00% |
| Point72 Asia (Singapore) Pte. Ltd. | 1,793 | $4.21K | 0.00% |
| CWM, LLC | 1,688 | $4.00K | 0.00% |
| SRS Capital Advisors, Inc. | 399 | $938 | 0.00% |
| Bare Financial Services, Inc | 209 | $491 | 0.00% |
| Rockefeller Capital Management L.P. | 160 | $377 | 0.00% |
| Fifth Third Bancorp | 70 | $165 | 0.00% |
| IFP Advisors, Inc | 14 | $33 | 0.00% |
| Essential Partners LLC | 8 | $19 | 0.00% |
| Sunbelt Securities, Inc. | 3 | $7 | 0.00% |
Sold out (20)
Institutions that held Trinseo PLC at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Acadian Asset Management LLC | 241,977 | $752.0K |
| Marshall Wace, LLP | 190,397 | $594.0K |
| Thrivent Financial for Lutherans | 116,248 | $362.0K |
| Engineers Gate Manager LP | 72,806 | $227.2K |
| Susquehanna Fundamental Investments, LLC | 45,906 | $143.2K |
| Millennium Management LLC | 44,624 | $139.2K |
| Los Angeles Capital Management LLC | 34,760 | $108.5K |
| Cetera Investment Advisers | 25,181 | $78.6K |
| Meeder Asset Management Inc | 16,116 | $50.3K |
| Sugar Maple Asset Management, LLC | 13,000 | $40.6K |
| Gsa Capital Partners LLP | 12,450 | $39.0K |
| Two Sigma Advisers, LP | 11,400 | $35.6K |
| May Hill Capital, LLC | 10,594 | $33.1K |
| SG Americas Securities, LLC | 10,218 | $32.0K |
| Headlands Technologies LLC | 901 | $2.81K |
| Raymond James Financial Inc | 718 | $2.24K |
| Simplex Trading, LLC | 616 | $1.00K |
| Federated Hermes, Inc. | 241 | $752 |
| Keystone Global Partners, LLC | 20 | $62 |
| South State Corp. | 13 | $41 |