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, Q4 2024
Institutional positions in Trinseo PLC as of Dec 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
- 95
- +25 vs. Q3 2024
- Shares held
- 25.0M
- +2.06M (+9.0%) vs. Q3 2024
- Total value
- $126.6M
- +$10.3M (+8.9%) vs. Q3 2024
- New holders
- 32
- 25 more added
- Sold out
- 7
- 26 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| M&G Plc | 7,625,044 | $38.1M | 0.24% | 00.0% | Unchanged |
| Nut Tree Capital Management, LP | 3,500,000 | $17.9M | 6.11% | 00.0% | Unchanged |
| CastleKnight Management LP | 2,479,618 | $12.6M | 1.39% | +1,392,476+128.1% | Added |
| Vanguard Group Inc | 956,378 | $4.88M | 0.00% | −13,455−1.4% | Reduced |
| Brightline Capital Management, LLC | 945,000 | $4.82M | 3.31% | +945,000 | New |
| BlackRock, Inc. | 764,134 | $3.90M | 0.00% | −7,379−1.0% | Reduced |
| Marshall Wace, LLP | 618,192 | $3.15M | 0.00% | +10,543+1.7% | Added |
| D. E. Shaw & Co., Inc. | 581,795 | $2.97M | 0.00% | −281,065−32.6% | Reduced |
| Charles Schwab Investment Management Inc | 526,924 | $2.69M | 0.00% | −498,553−48.6% | Reduced |
| Morgan Stanley | 418,275 | $2.13M | 0.00% | −33,746−7.5% | Reduced |
| Alta Fundamental Advisers LLC | 390,500 | $1.99M | 0.74% | −2,700−0.7% | Reduced |
| Geode Capital Management, LLC | 388,751 | $1.98M | 0.00% | +2,820+0.7% | Added |
| Owl Creek Asset Management, L.P. | 382,098 | $1.95M | 0.46% | +169,977+80.1% | Added |
| Truffle Hound Capital, LLC | 350,000 | $1.78M | 1.07% | +350,000 | New |
| Susquehanna International Group, LLP | 337,716 | $1.72M | 0.00% | +117,879+53.6% | Added |
| Bank of America Corp | 335,947 | $1.71M | 0.00% | +12,458+3.9% | Added |
| Jane Street Group, LLC | 330,467 | $1.69M | 0.00% | +80,943+32.4% | Added |
| Two Sigma Investments, LP | 326,592 | $1.67M | 0.00% | +8,682+2.7% | Added |
| Invesco Ltd. | 314,658 | $1.60M | 0.00% | +2,806+0.9% | Added |
| Lakewood Capital Management, LP | 281,279 | $1.43M | 0.13% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 240,310 | $1.23M | 0.00% | −206,974−46.3% | Reduced |
| JPMorgan Chase & Co | 229,503 | $1.17M | 0.00% | −200,837−46.7% | Reduced |
| Renaissance Technologies LLC | 229,300 | $1.17M | 0.00% | +35,200+18.1% | Added |
| Two Sigma Advisers, LP | 204,400 | $1.04M | 0.00% | −20,400−9.1% | Reduced |
| Millennium Management LLC | 178,244 | $909.0K | 0.00% | −278,927−61.0% | Reduced |
| Qube Research & Technologies Ltd | 169,634 | $865.1K | 0.00% | +76,391+81.9% | Added |
| State Street Corp | 141,577 | $722.0K | 0.00% | −16,300−10.3% | Reduced |
| 683 Capital Management, LLC | 124,763 | $636.3K | 0.06% | +124,763 | New |
| FMR LLC | 119,210 | $608.0K | 0.00% | +8,314+7.5% | Added |
| Thrivent Financial for Lutherans | 116,248 | $593.0K | 0.00% | −46,925−28.8% | Reduced |
| Acadian Asset Management LLC | 89,513 | $454.0K | 0.00% | +72,436+424.2% | Added |
| Northern Trust Corp | 72,574 | $370.1K | 0.00% | +191+0.3% | Added |
| Citadel Advisors LLC | 66,676 | $340.0K | 0.00% | −25,686−27.8% | Reduced |
| Omers Administration Corp | 64,700 | $330.0K | 0.00% | +64,700 | New |
| Cubist Systematic Strategies, LLC | 59,639 | $304.2K | 0.00% | −29,847−33.4% | Reduced |
| PharVision Advisers, LLC | 58,413 | $297.9K | 0.25% | +58,413 | New |
| Jump Financial, LLC | 54,324 | $277.1K | 0.01% | +54,324 | New |
| XTX Topco Ltd | 52,710 | $268.8K | 0.02% | −35,552−40.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 49,645 | $253.2K | 0.00% | +49,645 | New |
| Barclays PLC | 48,352 | $246.6K | 0.00% | +15,786+48.5% | Added |
| UBS Group AG | 46,599 | $237.7K | 0.00% | +40,843+709.6% | Added |
| Citigroup Inc | 45,530 | $232.2K | 0.00% | −109,898−70.7% | Reduced |
| Dimensional Fund Advisors LP | 41,224 | $210.3K | 0.00% | +41,224 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 36,965 | $188.5K | 0.05% | +9,275+33.5% | Added |
| Kohmann Bosshard Financial Services, LLC | 34,605 | $176.5K | 0.02% | 00.0% | Unchanged |
| Virtu Financial LLC | 32,587 | $166.0K | 0.01% | +32,587 | New |
| Jefferies Financial Group Inc. | 30,000 | $153.0K | 0.00% | +3,800+14.5% | Added |
| HRT Financial LP | 27,402 | $139.0K | 0.00% | +27,402 | New |
| JB Capital Partners LP | 27,001 | $137.7K | 0.03% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 25,683 | $131.0K | 0.01% | +25,683 | New |
| Price T Rowe Associates Inc | 23,900 | $122.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 22,683 | $115.7K | 0.00% | −5,150−18.5% | Reduced |
| Verition Fund Management LLC | 20,680 | $105.5K | 0.00% | +20,680 | New |
| Simplex Trading, LLC | 20,516 | $104.0K | 0.00% | +2,995+17.1% | Added |
| LPL Financial LLC | 19,936 | $101.7K | 0.00% | +19,936 | New |
| Boothbay Fund Management, LLC | 19,464 | $99.3K | 0.00% | +19,464 | New |
| Man Group plc | 18,778 | $95.8K | 0.00% | +18,778 | New |
| Tudor Investment Corp Et Al | 16,688 | $85.1K | 0.00% | −2,109−11.2% | Reduced |
| Meeder Asset Management Inc | 16,116 | $82.2K | 0.01% | 00.0% | Unchanged |
| Cetera Investment Advisers | 15,991 | $81.6K | 0.00% | +15,991 | New |
| Susquehanna Fundamental Investments, LLC | 15,742 | $80.3K | 0.00% | +15,742 | New |
| Quarry LP | 15,571 | $79.4K | 0.02% | +15,571 | New |
| Red Door Wealth Management, LLC | 15,000 | $76.5K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 14,493 | $73.9K | 0.00% | +14,493 | New |
| Public Employees Retirement System of Ohio | 13,611 | $69.4K | 0.00% | +1,409+11.5% | Added |
| Tower Research Capital LLC (TRC) | 12,384 | $63.2K | 0.00% | +1,688+15.8% | Added |
| PFG Investments, LLC | 12,250 | $62.5K | 0.00% | +2,000+19.5% | Added |
| Two Sigma Securities, LLC | 11,871 | $60.5K | 0.01% | −2,216−15.7% | Reduced |
| NorthCrest Asset Manangement, LLC | 11,800 | $60.2K | 0.00% | −6,500−35.5% | Reduced |
| Squarepoint Ops LLC | 10,918 | $55.7K | 0.00% | −28,864−72.6% | Reduced |
| Mercer Global Advisors Inc | 10,749 | $54.8K | 0.00% | +264+2.5% | Added |
| State of Wyoming | 10,373 | $52.9K | 0.01% | +10,373 | New |
| SG Americas Securities, LLC | 10,097 | $51.0K | 0.00% | +10,097 | New |
| Rhumbline Advisers | 7,879 | $40.2K | 0.00% | +4,002+103.2% | Added |
| Covestor Ltd | 7,144 | $36.0K | 0.02% | +7,144 | New |
| R Squared Ltd | 4,770 | $24.3K | 0.02% | +4,770 | New |
| Wells Fargo & Company | 3,548 | $18.1K | 0.00% | −2,372−40.1% | Reduced |
| Skopos Labs, Inc. | 2,570 | $13.1K | 0.00% | +2,570 | New |
| Headlands Technologies LLC | 2,009 | $10.2K | 0.00% | +1,122+126.5% | Added |
| Group One Trading, L.P. | 1,893 | $9.65K | 0.00% | +1,893 | New |
| McIlrath & Eck, LLC | 1,444 | $7.36K | 0.00% | −445−23.6% | Reduced |
| Steward Partners Investment Advisory, LLC | 1,000 | $5.10K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 582 | $2.97K | 0.00% | −16,300−96.6% | Reduced |
| Point72 (DIFC) Ltd | 569 | $2.90K | 0.00% | +569 | New |
| Federated Hermes, Inc. | 352 | $1.79K | 0.00% | −1,049−74.9% | Reduced |
| MAI Capital Management | 300 | $1.53K | 0.00% | +300 | New |
| SWAN Capital LLC | 250 | $1.27K | 0.00% | +250 | New |
| Larson Financial Group LLC | 245 | $1.25K | 0.00% | +245 | New |
| Advisor Group Holdings, Inc. | 237 | $1.21K | 0.00% | −7−2.9% | Reduced |
| Founders Capital Management | 200 | $1.02K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 185 | $944 | 0.00% | +185 | New |
| Nisa Investment Advisors, LLC | 68 | $347 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 21 | $107 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 16 | $82 | 0.00% | +16 | New |
| Allworth Financial LP | 7 | $31 | 0.00% | +7 | New |
| Whitebox Advisors LLC | 0 | $0 | 0.00% | −39,146−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −34,528−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −13,400−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −8,900−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −825−100.0% | Sold out |