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 2025
Institutional positions in Trinseo PLC as of Mar 31, 2025. 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
- 85
- −10 vs. Q4 2024
- Shares held
- 25.2M
- +239.4K (+1.0%) vs. Q4 2024
- Total value
- $95.2M
- −$31.4M (−24.8%) vs. Q4 2024
- New holders
- 9
- 35 more added
- Sold out
- 19
- 23 more reduced
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| M&G Plc | 7,625,044 | $30.5M | 0.15% | 00.0% | Unchanged |
| Nut Tree Capital Management, LP | 3,500,000 | $12.9M | 4.20% | 00.0% | Unchanged |
| CastleKnight Management LP | 2,766,226 | $10.2M | 1.09% | +286,608+11.6% | Added |
| Brightline Capital Management, LLC | 1,016,000 | $3.74M | 3.24% | +71,000+7.5% | Added |
| Vanguard Group Inc | 960,752 | $3.54M | 0.00% | +4,374+0.5% | Added |
| Marshall Wace, LLP | 861,569 | $3.17M | 0.00% | +243,377+39.4% | Added |
| BlackRock, Inc. | 757,558 | $2.79M | 0.00% | −6,576−0.9% | Reduced |
| Morgan Stanley | 443,555 | $1.63M | 0.00% | +25,280+6.0% | Added |
| Susquehanna International Group, LLP | 402,720 | $1.48M | 0.00% | +65,004+19.2% | Added |
| Geode Capital Management, LLC | 399,839 | $1.47M | 0.00% | +11,088+2.9% | Added |
| JPMorgan Chase & Co | 389,844 | $1.43M | 0.00% | +160,341+69.9% | Added |
| D. E. Shaw & Co., Inc. | 385,780 | $1.42M | 0.00% | −196,015−33.7% | Reduced |
| Owl Creek Asset Management, L.P. | 382,098 | $1.41M | 0.23% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 362,646 | $1.33M | 0.00% | −164,278−31.2% | Reduced |
| Truffle Hound Capital, LLC | 350,000 | $1.29M | 0.83% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 343,604 | $1.26M | 0.00% | +103,294+43.0% | Added |
| Acadian Asset Management LLC | 329,306 | $1.21M | 0.00% | +239,793+267.9% | Added |
| Bank of America Corp | 311,389 | $1.15M | 0.00% | −24,558−7.3% | Reduced |
| Two Sigma Investments, LP | 300,307 | $1.11M | 0.00% | −26,285−8.0% | Reduced |
| Lakewood Capital Management, LP | 281,279 | $1.04M | 0.09% | 00.0% | Unchanged |
| Millennium Management LLC | 272,508 | $1.00M | 0.00% | +94,264+52.9% | Added |
| Jane Street Group, LLC | 267,745 | $985.3K | 0.00% | −62,722−19.0% | Reduced |
| Renaissance Technologies LLC | 255,900 | $941.7K | 0.00% | +26,600+11.6% | Added |
| Invesco Ltd. | 255,668 | $940.9K | 0.00% | −58,990−18.7% | Reduced |
| Two Sigma Advisers, LP | 209,400 | $770.6K | 0.00% | +5,000+2.4% | Added |
| State Street Corp | 148,977 | $548.5K | 0.00% | +7,400+5.2% | Added |
| FMR LLC | 123,357 | $454.0K | 0.00% | +4,147+3.5% | Added |
| Thrivent Financial for Lutherans | 116,248 | $428.0K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 105,072 | $387.0K | 0.03% | +79,389+309.1% | Added |
| Qube Research & Technologies Ltd | 104,779 | $385.6K | 0.00% | −64,855−38.2% | Reduced |
| Dimensional Fund Advisors LP | 103,973 | $382.6K | 0.00% | +62,749+152.2% | Added |
| Northern Trust Corp | 77,358 | $284.7K | 0.00% | +4,784+6.6% | Added |
| Omers Administration Corp | 72,200 | $265.7K | 0.00% | +7,500+11.6% | Added |
| Susquehanna Fundamental Investments, LLC | 66,855 | $246.0K | 0.00% | +51,113+324.7% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 61,507 | $226.3K | 0.06% | +24,542+66.4% | Added |
| Schonfeld Strategic Advisors LLC | 55,518 | $204.3K | 0.00% | +5,873+11.8% | Added |
| Alta Fundamental Advisers LLC | 53,618 | $197.3K | 0.13% | −336,882−86.3% | Reduced |
| Cubist Systematic Strategies, LLC | 50,656 | $186.4K | 0.00% | −8,983−15.1% | Reduced |
| Jump Financial, LLC | 45,802 | $168.6K | 0.00% | −8,522−15.7% | Reduced |
| Balyasny Asset Management LLC | 44,754 | $164.7K | 0.00% | +44,754 | New |
| Kohmann Bosshard Financial Services, LLC | 44,605 | $164.1K | 0.02% | +10,000+28.9% | Added |
| Jain Global LLC | 34,125 | $125.6K | 0.00% | +34,125 | New |
| Jefferies Financial Group Inc. | 32,942 | $121.2K | 0.00% | +2,942+9.8% | Added |
| Dynamic Technology Lab Private Ltd | 32,107 | $118.0K | 0.02% | +32,107 | New |
| Squarepoint Ops LLC | 27,255 | $100.3K | 0.00% | +16,337+149.6% | Added |
| JB Capital Partners LP | 27,001 | $99.1K | 0.02% | 00.0% | Unchanged |
| Cetera Investment Advisers | 25,320 | $93.2K | 0.00% | +9,329+58.3% | Added |
| Price T Rowe Associates Inc | 23,900 | $88.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 23,078 | $84.9K | 0.00% | +8,585+59.2% | Added |
| Barclays PLC | 22,537 | $82.9K | 0.00% | −25,815−53.4% | Reduced |
| UBS Group AG | 22,453 | $82.6K | 0.00% | −24,146−51.8% | Reduced |
| SG Americas Securities, LLC | 20,956 | $77.0K | 0.00% | +10,859+107.5% | Added |
| Quantessence Capital LLC | 20,124 | $74.1K | 0.02% | +20,124 | New |
| Catalyst Funds Management Pty Ltd | 17,285 | $63.6K | 0.02% | +17,285 | New |
| Meeder Asset Management Inc | 16,116 | $59.3K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 15,567 | $57.3K | 0.00% | −4,369−21.9% | Reduced |
| Citadel Advisors LLC | 15,185 | $55.9K | 0.00% | −51,491−77.2% | Reduced |
| Red Door Wealth Management, LLC | 15,000 | $55.2K | 0.01% | 00.0% | Unchanged |
| Diametric Capital, LP | 14,687 | $54.0K | 0.06% | +14,687 | New |
| PFG Investments, LLC | 14,000 | $51.5K | 0.00% | +1,750+14.3% | Added |
| Verition Fund Management LLC | 12,849 | $47.3K | 0.00% | −7,831−37.9% | Reduced |
| Wells Fargo & Company | 12,803 | $47.1K | 0.00% | +9,255+260.9% | Added |
| Mercer Global Advisors Inc | 10,693 | $39.4K | 0.00% | −56−0.5% | Reduced |
| Engineers Gate Manager LP | 10,035 | $36.9K | 0.00% | −12,648−55.8% | Reduced |
| Farther Finance Advisors, LLC | 6,024 | $22.8K | 0.00% | +6,024 | New |
| Citigroup Inc | 5,692 | $20.9K | 0.00% | −39,838−87.5% | Reduced |
| Rhumbline Advisers | 5,266 | $19.4K | 0.00% | −2,613−33.2% | Reduced |
| Skopos Labs, Inc. | 4,132 | $15.2K | 0.00% | +1,562+60.8% | Added |
| Point72 (DIFC) Ltd | 2,525 | $9.29K | 0.00% | +1,956+343.8% | Added |
| Simplex Trading, LLC | 1,753 | $6.00K | 0.00% | −18,763−91.5% | Reduced |
| McIlrath & Eck, LLC | 1,444 | $5.31K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 1,432 | $5.27K | 0.00% | +1,247+674.1% | Added |
| Royal Bank of Canada | 1,329 | $5.00K | 0.00% | +1,329 | New |
| Steward Partners Investment Advisory, LLC | 1,000 | $3.68K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 582 | $2.14K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 393 | $1.45K | 0.00% | +156+65.8% | Added |
| MAI Capital Management | 300 | $1.10K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 275 | $1.01K | 0.00% | −1,618−85.5% | Reduced |
| SWAN Capital LLC | 250 | $920 | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 241 | $887 | 0.00% | −111−31.5% | Reduced |
| Stephens Consulting, LLC | 231 | $851 | 0.00% | +231 | New |
| Nisa Investment Advisors, LLC | 68 | $250 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 21 | $77 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 21 | $77 | 0.00% | +5+31.3% | Added |
| Allworth Financial LP | 7 | $28 | 0.00% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −124,763−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −58,413−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −52,710−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −32,587−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −27,402−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −19,464−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −18,778−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −16,688−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −15,571−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −13,611−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −12,384−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,871−100.0% | Sold out |
| NorthCrest Asset Manangement, LLC | 0 | $0 | 0.00% | −11,800−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −10,373−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −7,144−100.0% | Sold out |