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.
13F holders, Q1 2024
Institutional positions in Trinseo PLC as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 109
- −18 vs. Q4 2023
- Shares held
- 27.4M
- +5.91M (+27.5%) vs. Q4 2023
- Total value
- $105.3M
- −$74.9M (−41.6%) vs. Q4 2023
- New holders
- 15
- 34 more added
- Sold out
- 33
- 49 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TSEOQ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 6 | $740 |
| Q1 2026 | 14 | $11.0K |
| Q4 2025 | 73 | $12.3M |
| Q3 2025 | 75 | $60.4M |
| Q2 2025 | 80 | $85.4M |
| Q1 2025 | 85 | $95.2M |
| Q4 2024 | 95 | $126.6M |
| Q3 2024 | 71 | $116.2M |
| Q2 2024 | 98 | $56.0M |
| Q1 2024 | 109 | $105.3M |
| Q4 2023 | 128 | $241.2M |
| Q3 2023 | 146 | $241.9M |
| Q2 2023 | 145 | $418.8M |
| Q1 2023 | 167 | $695.9M |
| Q4 2022 | 182 | $746.7M |
| Q3 2022 | 182 | $585.5M |
| Q2 2022 | 194 | $1.31B |
| Q1 2022 | 189 | $1.66B |
| Q4 2021 | 185 | $1.84B |
| Q3 2021 | 184 | $1.96B |
| Q2 2021 | 214 | $2.16B |
| Q1 2021 | 209 | $2.27B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Millennium Management LLC | 793,760 | $3.00M | 0.00% | −81,797−9.3% | Reduced |
| Vanguard Group Inc | 1,115,487 | $4.22M | 0.00% | +93,050+9.1% | Added |
| Fuller & Thaler Asset Management, Inc. | 1,516,292 | $5.73M | 0.03% | +19,155+1.3% | Added |
| Goldman Sachs Group Inc | 1,578,295 | $5.97M | 0.00% | +1,380,831+699.3% | Added |
| Charles Schwab Investment Management Inc | 2,211,783 | $8.36M | 0.00% | +575,715+35.2% | Added |
| BlackRock Inc. | 2,583,772 | $9.77M | 0.00% | −54,392−2.1% | Reduced |
| M&G Plc | 7,625,044 | $30.5M | 0.18% | +7,625,044 | New |
| Mirae Asset Global Investments Co., Ltd. | 16,171 | – | – | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 12,826 | – | – | +12,826 | New |
| Hotchkis & Wiley Capital Management LLC | 0 | $0 | 0.00% | −1,627,240−100.0% | Sold out |
| Deprince Race & Zollo Inc | 0 | $0 | 0.00% | −773,180−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −100,120−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −86,442−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −66,800−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −66,272−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −65,472−100.0% | Sold out |
| Public Sector Pension Investment Board | 0 | $0 | 0.00% | −62,385−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −37,217−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −34,653−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −26,666−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −24,498−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −24,016−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −23,852−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −21,825−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −20,404−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −19,407−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −13,062−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −11,338−100.0% | Sold out |
| Perigon Wealth Management, LLC | 0 | $0 | 0.00% | −10,999−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −10,700−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −10,492−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −6,403−100.0% | Sold out |
| Public Employees Retirement Association of Colorado | 0 | $0 | 0.00% | −5,856−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −5,359−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −3,247−100.0% | Sold out |
| EMC Capital Management | 0 | $0 | 0.00% | −3,146−100.0% | Sold out |
| Point72 Europe (London) LLP | 0 | $0 | 0.00% | −1,104−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −626−100.0% | Sold out |
| Private Wealth Management Group, LLC | 0 | $0 | 0.00% | −184−100.0% | Sold out |
| Barrow Hanley Mewhinney & Strauss LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Arlington Trust Co LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| M&G Investment Management Ltd | – | – | – | – | Not filed |