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, Q3 2021
Institutional positions in Trinseo PLC as of Sep 30, 2021. 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
- 184
- −29 vs. Q2 2021
- Shares held
- 36.3M
- +303.0K (+0.8%) vs. Q2 2021
- Total value
- $1.96B
- −$194.4M (−9.0%) vs. Q2 2021
- New holders
- 23
- 64 more added
- Sold out
- 52
- 67 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| M&G Investment Management Ltd | 7,634,044 | $412.2M | 2.00% | 00.0% | Unchanged |
| BlackRock Inc. | 6,429,890 | $347.1M | 0.01% | −167,852−2.5% | Reduced |
| FMR LLC | 2,170,922 | $117.2M | 0.01% | +1,183,866+119.9% | Added |
| Vanguard Group Inc | 1,815,910 | $98.0M | 0.00% | +9,203+0.5% | Added |
| Alliancebernstein L.P. | 1,789,153 | $96.6M | 0.04% | −153,971−7.9% | Reduced |
| Dimensional Fund Advisors LP | 1,401,225 | $75.6M | 0.02% | −79,268−5.4% | Reduced |
| State Street Corp | 1,348,243 | $73.2M | 0.00% | +1,569+0.1% | Added |
| Geode Capital Management, LLC | 1,287,060 | $69.5M | 0.01% | +653,776+103.2% | Added |
| LSV Asset Management | 1,220,203 | $65.9M | 0.12% | −40,500−3.2% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 1,105,173 | $59.7M | 0.38% | −25,683−2.3% | Reduced |
| Boston Partners | 813,313 | $43.9M | 0.06% | +327,373+67.4% | Added |
| Charles Schwab Investment Management Inc | 529,831 | $28.6M | 0.01% | −14,406−2.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 529,115 | $28.6M | 0.19% | −40,216−7.1% | Reduced |
| Northern Trust Corp | 460,077 | $24.8M | 0.00% | −10,249−2.2% | Reduced |
| Bank of New York Mellon Corp | 453,278 | $24.5M | 0.00% | +13,061+3.0% | Added |
| Nuveen Asset Management, LLC | 373,942 | $20.2M | 0.01% | −31,303−7.7% | Reduced |
| Ameriprise Financial Inc | 373,649 | $20.2M | 0.01% | +175,112+88.2% | Added |
| Norges Bank | 353,027 | $19.1M | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 344,163 | $18.6M | 0.01% | +1,166+0.3% | Added |
| JPMorgan Chase & Co | 285,539 | $15.4M | 0.00% | −104,732−26.8% | Reduced |
| Invesco Ltd. | 267,166 | $14.4M | 0.00% | −16,284−5.7% | Reduced |
| State of Wisconsin Investment Board | 232,950 | $12.6M | 0.03% | +1,600+0.7% | Added |
| Systematic Financial Management LP | 228,905 | $12.4M | 0.38% | +96,394+72.7% | Added |
| Renaissance Technologies LLC | 202,624 | $10.9M | 0.01% | +36,824+22.2% | Added |
| Prudential Financial Inc | 197,914 | $10.7M | 0.01% | −153,785−43.7% | Reduced |
| Bank of America Corp | 192,550 | $10.4M | 0.00% | −32,780−14.5% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 181,503 | $9.80M | 0.05% | +45,632+33.6% | Added |
| Morgan Stanley | 169,764 | $9.16M | 0.00% | −46,871−21.6% | Reduced |
| Susquehanna International Group, LLP | 163,244 | $8.81M | 0.01% | +52,343+47.2% | Added |
| Hotchkis & Wiley Capital Management LLC | 150,882 | $8.14M | 0.03% | +3,830+2.6% | Added |
| Victory Capital Management Inc | 143,446 | $7.74M | 0.01% | +54,378+61.1% | Added |
| Goldman Sachs Group Inc | 131,942 | $7.12M | 0.00% | +11,864+9.9% | Added |
| JB Capital Partners LP | 127,001 | $6.86M | 1.55% | −40,000−24.0% | Reduced |
| Scopus Asset Management, L.P. | 120,000 | $6.48M | 0.16% | +120,000 | New |
| Russell Investments Group, Ltd. | 118,311 | $6.40M | 0.01% | −2,875−2.4% | Reduced |
| Wilen Investment Management Corp. | 117,789 | $6.30M | 5.15% | +36,306+44.6% | Added |
| Nordea Investment Management AB | 114,301 | $6.29M | 0.01% | −1,325−1.1% | Reduced |
| Legal & General Group Plc | 108,120 | $5.84M | 0.00% | −6,552−5.7% | Reduced |
| Allianz Asset Management GmbH | 103,968 | $5.61M | 0.00% | +32,989+46.5% | Added |
| Federated Hermes, Inc. | 99,255 | $5.36M | 0.01% | −212,355−68.1% | Reduced |
| Rhumbline Advisers | 93,416 | $5.04M | 0.01% | −14,268−13.2% | Reduced |
| Bank of Montreal | 82,922 | $4.60M | 0.00% | +7,470+9.9% | Added |
| Summit Street Capital Management, LLC | 84,963 | $4.59M | 3.05% | 00.0% | Unchanged |
| Millennium Management LLC | 83,423 | $4.50M | 0.01% | +25,175+43.2% | Added |
| Acadian Asset Management LLC | 82,501 | $4.45M | 0.02% | −43,917−34.7% | Reduced |
| Schroder Investment Management Group | 80,567 | $4.35M | 0.01% | −28,422−26.1% | Reduced |
| Public Sector Pension Investment Board | 78,466 | $4.24M | 0.03% | −690−0.9% | Reduced |
| Swiss National Bank | 68,500 | $3.70M | 0.00% | +700+1.0% | Added |
| Wells Fargo & Company | 67,796 | $3.66M | 0.00% | +2,631+4.0% | Added |
| LPL Financial LLC | 62,085 | $3.35M | 0.00% | −19,649−24.0% | Reduced |
| Squarepoint Ops LLC | 54,185 | $2.92M | 0.02% | +19,382+55.7% | Added |
| Raymond James & Associates | 52,920 | $2.86M | 0.00% | +4,604+9.5% | Added |
| UBS Asset Management Americas Inc | 48,122 | $2.60M | 0.00% | −3,800−7.3% | Reduced |
| California State Teachers Retirement System | 46,361 | $2.50M | 0.00% | −7,274−13.6% | Reduced |
| BNP Paribas Arbitrage, SA | 44,380 | $2.40M | 0.01% | +26,890+153.7% | Added |
| Comerica Bank | 42,892 | $2.36M | 0.01% | −1,157−2.6% | Reduced |
| SG Americas Securities, LLC | 42,958 | $2.32M | 0.01% | +42,958 | New |
| Barclays PLC | 42,072 | $2.27M | 0.00% | +14,635+53.3% | Added |
| First Trust Advisors LP | 41,914 | $2.26M | 0.00% | +31,881+317.8% | Added |
| Blueshift Asset Management, LLC | 34,543 | $1.86M | 0.10% | +34,543 | New |
| Ensign Peak Advisors, Inc | 32,800 | $1.77M | 0.00% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 31,385 | $1.69M | 0.00% | −284−0.9% | Reduced |
| Voya Investment Management LLC | 29,934 | $1.61M | 0.00% | +230+0.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 29,440 | $1.59M | 0.02% | −289−1.0% | Reduced |
| Texas Permanent School Fund | 28,722 | $1.55M | 0.02% | −147−0.5% | Reduced |
| State of Alaska, Department of Revenue | 28,325 | $1.53M | 0.02% | +1,518+5.7% | Added |
| Waterfront Wealth Inc. | 27,985 | $1.51M | 0.73% | +10,319+58.4% | Added |
| New York State Common Retirement Fund | 27,962 | $1.51M | 0.00% | −5,758−17.1% | Reduced |
| Kiwi Wealth Investments Limited Partnership | 27,812 | $1.50M | 0.08% | +1,501+5.7% | Added |
| Franklin Resources Inc | 27,379 | $1.48M | 0.00% | +22,056+414.4% | Added |
| Atom Investors LP | 27,357 | $1.48M | 0.29% | −18,681−40.6% | Reduced |
| New York State Teachers Retirement System | 27,275 | $1.47M | 0.00% | +767+2.9% | Added |
| AQR Capital Management LLC | 27,031 | $1.46M | 0.00% | −11,762−30.3% | Reduced |
| Deutsche Bank AG | 26,142 | $1.41M | 0.00% | −707−2.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 24,792 | $1.34M | 0.01% | −2,300−8.5% | Reduced |
| American International Group, Inc. | 24,422 | $1.32M | 0.01% | −838−3.3% | Reduced |
| Credit Suisse AG | 23,293 | $1.26M | 0.00% | −5,860−20.1% | Reduced |
| Macquarie Group Ltd | 22,200 | $1.20M | 0.00% | −2,234−9.1% | Reduced |
| Citigroup Inc | 22,000 | $1.19M | 0.00% | −10,468−32.2% | Reduced |
| Royce & Associates LP | 21,766 | $1.18M | 0.01% | −72−0.3% | Reduced |
| HRT Financial LP | 21,155 | $1.14M | 0.01% | −18,535−46.7% | Reduced |
| StoneX Group Inc. | 18,739 | $1.02M | 0.15% | −40−0.2% | Reduced |
| Louisiana State Employees Retirement System | 18,700 | $1.01M | 0.02% | +1,200+6.9% | Added |
| PEAK6 Investments LLC | 17,272 | $932.0K | 0.02% | +6,496+60.3% | Added |
| Tower Research Capital LLC (TRC) | 17,202 | $929.0K | 0.02% | +14,603+561.9% | Added |
| Delphi Management Inc | 16,459 | $888.0K | 0.91% | −2,760−14.4% | Reduced |
| Citadel Advisors LLC | 16,080 | $868.0K | 0.00% | +3,240+25.2% | Added |
| Jackson Creek Investment Advisors LLC | 15,777 | $852.0K | 0.32% | +148+0.9% | Added |
| American Century Companies Inc | 15,714 | $848.0K | 0.00% | −17,129−52.2% | Reduced |
| Cubist Systematic Strategies, LLC | 15,677 | $846.0K | 0.01% | −24,594−61.1% | Reduced |
| Oregon Public Employees Retirement Fund | 15,594 | $842.0K | 0.01% | −100−0.6% | Reduced |
| Price T Rowe Associates Inc | 15,468 | $835.0K | 0.00% | +39+0.3% | Added |
| Hillsdale Investment Management Inc. | 15,400 | $831.0K | 0.06% | −5,000−24.5% | Reduced |
| SummerHaven Investment Management, LLC | 15,254 | $823.0K | 0.48% | −5,092−25.0% | Reduced |
| New York Life Investments Alternatives | 15,179 | $819.0K | 0.53% | +8+0.1% | Added |
| ETF Managers Group, LLC | 14,406 | $794.0K | 0.01% | +14,406 | New |
| Marshall Wace, LLP | 14,607 | $788.0K | 0.00% | +14,607 | New |
| MetLife Investment Management | 13,205 | $712.8K | 0.01% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 13,012 | $702.0K | 0.00% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 11,051 | $661.0K | 0.01% | 00.0% | Unchanged |