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, Q2 2021
Institutional positions in Trinseo PLC as of Jun 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
- 214
- +6 vs. Q1 2021
- Shares held
- 36.0M
- +496.9K (+1.4%) vs. Q1 2021
- Total value
- $2.16B
- −$108.3M (−4.8%) vs. Q1 2021
- New holders
- 32
- 80 more added
- Sold out
- 26
- 67 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| M&G Investment Management Ltd | 7,634,044 | $458.0M | 2.38% | −30,000−0.4% | Reduced |
| BlackRock Inc. | 6,597,742 | $394.8M | 0.01% | −174,128−2.6% | Reduced |
| Alliancebernstein L.P. | 1,943,124 | $116.3M | 0.05% | −49,328−2.5% | Reduced |
| Vanguard Group Inc | 1,806,707 | $108.1M | 0.00% | +225,967+14.3% | Added |
| Dimensional Fund Advisors LP | 1,480,493 | $88.6M | 0.03% | −26,727−1.8% | Reduced |
| State Street Corp | 1,346,674 | $80.6M | 0.00% | +35,832+2.7% | Added |
| LSV Asset Management | 1,260,703 | $75.4M | 0.13% | −31,100−2.4% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 1,130,856 | $67.7M | 0.44% | +63,104+5.9% | Added |
| FMR LLC | 987,056 | $59.1M | 0.00% | +323,381+48.7% | Added |
| Geode Capital Management, LLC | 633,284 | $37.9M | 0.01% | +19,740+3.2% | Added |
| Jacobs Levy Equity Management, Inc | 569,331 | $34.1M | 0.23% | +76,238+15.5% | Added |
| Charles Schwab Investment Management Inc | 544,237 | $32.6M | 0.01% | −20,481−3.6% | Reduced |
| Boston Partners | 485,940 | $29.1M | 0.04% | +16,720+3.6% | Added |
| Northern Trust Corp | 470,326 | $28.1M | 0.00% | +8,200+1.8% | Added |
| Bank of New York Mellon Corp | 440,217 | $26.3M | 0.01% | −13,229−2.9% | Reduced |
| Nuveen Asset Management, LLC | 405,245 | $24.3M | 0.01% | −33,497−7.6% | Reduced |
| JPMorgan Chase & Co | 390,271 | $23.4M | 0.00% | −21,148−5.1% | Reduced |
| Norges Bank | 353,027 | $21.1M | 0.00% | −22,969−6.1% | Reduced |
| Prudential Financial Inc | 351,699 | $21.0M | 0.03% | −36,222−9.3% | Reduced |
| Principal Financial Group Inc | 342,997 | $20.5M | 0.01% | +40,292+13.3% | Added |
| Parametric Portfolio Associates LLC | 316,364 | $18.9M | 0.01% | +8,625+2.8% | Added |
| Federated Hermes, Inc. | 311,610 | $18.6M | 0.03% | −7,519−2.4% | Reduced |
| Invesco Ltd. | 283,450 | $17.0M | 0.00% | +40,113+16.5% | Added |
| Artemis Investment Management LLP | 275,610 | $16.5M | 0.14% | +33,647+13.9% | Added |
| State of Wisconsin Investment Board | 231,350 | $13.8M | 0.03% | 00.0% | Unchanged |
| Bank of America Corp | 225,330 | $13.5M | 0.00% | −26,402−10.5% | Reduced |
| Morgan Stanley | 216,635 | $13.0M | 0.00% | +70,682+48.4% | Added |
| Ameriprise Financial Inc | 198,537 | $11.9M | 0.00% | −11,588−5.5% | Reduced |
| JB Capital Partners LP | 167,001 | $9.98M | 2.39% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 165,800 | $9.92M | 0.01% | +9,600+6.1% | Added |
| Hotchkis & Wiley Capital Management LLC | 147,052 | $8.80M | 0.03% | +16,470+12.6% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 135,871 | $8.13M | 0.04% | +109,128+408.1% | Added |
| Systematic Financial Management LP | 132,511 | $7.93M | 0.24% | +49,015+58.7% | Added |
| Balyasny Asset Management LLC | 129,033 | $7.72M | 0.04% | −75,003−36.8% | Reduced |
| Acadian Asset Management LLC | 126,418 | $7.57M | 0.03% | +25,895+25.8% | Added |
| Russell Investments Group, Ltd. | 121,186 | $7.24M | 0.01% | +24,457+25.3% | Added |
| Goldman Sachs Group Inc | 120,078 | $7.19M | 0.00% | +9,989+9.1% | Added |
| Nordea Investment Management AB | 115,626 | $6.92M | 0.01% | +7,545+7.0% | Added |
| Legal & General Group Plc | 114,672 | $6.86M | 0.00% | −39,337−25.5% | Reduced |
| Susquehanna International Group, LLP | 110,901 | $6.64M | 0.01% | +63,403+133.5% | Added |
| Schroder Investment Management Group | 108,989 | $6.52M | 0.01% | +108,989 | New |
| Rhumbline Advisers | 107,684 | $6.44M | 0.01% | −14,067−11.6% | Reduced |
| Victory Capital Management Inc | 89,068 | $5.33M | 0.01% | +15,599+21.2% | Added |
| Summit Street Capital Management, LLC | 84,963 | $5.08M | 3.26% | 00.0% | Unchanged |
| LPL Financial LLC | 81,734 | $4.89M | 0.00% | −12,471−13.2% | Reduced |
| Wilen Investment Management Corp. | 81,483 | $4.81M | 4.13% | +23,900+41.5% | Added |
| Public Sector Pension Investment Board | 79,156 | $4.74M | 0.03% | +170+0.2% | Added |
| Bank of Montreal | 75,452 | $4.46M | 0.00% | +64,258+574.0% | Added |
| Pacer Advisors, Inc. | 72,164 | $4.32M | 0.06% | +72,164 | New |
| 22NW, LP | 71,298 | $4.27M | 1.15% | −159,676−69.1% | Reduced |
| Allianz Asset Management GmbH | 70,979 | $4.25M | 0.00% | +15,175+27.2% | Added |
| Swiss National Bank | 67,800 | $4.06M | 0.00% | −2,300−3.3% | Reduced |
| Wells Fargo & Company | 65,165 | $3.90M | 0.00% | +6,407+10.9% | Added |
| Jane Street Group, LLC | 63,828 | $3.82M | 0.01% | +36,723+135.5% | Added |
| Man Group plc | 62,356 | $3.73M | 0.01% | +3,232+5.5% | Added |
| Two Sigma Advisers, LP | 59,100 | $3.54M | 0.01% | −38,100−39.2% | Reduced |
| Millennium Management LLC | 58,248 | $3.49M | 0.00% | +58,248 | New |
| Arrowstreet Capital, Limited Partnership | 55,817 | $3.34M | 0.00% | −35,361−38.8% | Reduced |
| California State Teachers Retirement System | 53,635 | $3.21M | 0.00% | −4,075−7.1% | Reduced |
| UBS Asset Management Americas Inc | 51,922 | $3.11M | 0.00% | +9,148+21.4% | Added |
| Raymond James & Associates | 48,316 | $2.89M | 0.00% | +2,027+4.4% | Added |
| Atom Investors LP | 46,038 | $2.75M | 0.57% | −19,470−29.7% | Reduced |
| Cubist Systematic Strategies, LLC | 40,271 | $2.41M | 0.03% | −53,804−57.2% | Reduced |
| Public Employees Retirement System of Ohio | 39,734 | $2.38M | 0.01% | +140+0.4% | Added |
| HRT Financial LP | 39,690 | $2.38M | 0.02% | +28,657+259.7% | Added |
| AQR Capital Management LLC | 38,793 | $2.32M | 0.00% | +20,785+115.4% | Added |
| State of New Jersey Common Pension Fund D | 37,416 | $2.24M | 0.01% | −4,428−10.6% | Reduced |
| Squarepoint Ops LLC | 34,803 | $2.08M | 0.02% | +5,289+17.9% | Added |
| New York State Common Retirement Fund | 33,720 | $2.02M | 0.00% | −1,586−4.5% | Reduced |
| Comerica Bank | 44,049 | $1.99M | 0.01% | −2,008−4.4% | Reduced |
| American Century Companies Inc | 32,843 | $1.97M | 0.00% | −132,990−80.2% | Reduced |
| Ensign Peak Advisors, Inc | 32,800 | $1.96M | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 32,468 | $1.94M | 0.00% | +8,282+34.2% | Added |
| Thrivent Financial for Lutherans | 31,669 | $1.90M | 0.00% | +92+0.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 29,729 | $1.78M | 0.02% | +84+0.3% | Added |
| Voya Investment Management LLC | 29,704 | $1.78M | 0.00% | −1,415−4.5% | Reduced |
| Texas Permanent School Fund | 28,869 | $1.73M | 0.02% | +151+0.5% | Added |
| Credit Suisse AG | 29,153 | $1.72M | 0.00% | −4,840−14.2% | Reduced |
| Barclays PLC | 27,437 | $1.64M | 0.00% | −29,388−51.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 27,092 | $1.62M | 0.02% | 00.0% | Unchanged |
| Deutsche Bank AG | 26,849 | $1.61M | 0.00% | +633+2.4% | Added |
| State of Alaska, Department of Revenue | 26,807 | $1.60M | 0.02% | +790+3.0% | Added |
| New York State Teachers Retirement System | 26,508 | $1.59M | 0.00% | +1,172+4.6% | Added |
| Kiwi Wealth Investments Limited Partnership | 26,311 | $1.57M | 0.08% | +26,311 | New |
| American International Group, Inc. | 25,260 | $1.51M | 0.01% | −239−0.9% | Reduced |
| Macquarie Group Ltd | 24,434 | $1.46M | 0.00% | +1,179+5.1% | Added |
| Navellier & Associates Inc | 24,300 | $1.45M | 0.22% | +5,846+31.7% | Added |
| Gotham Asset Management, LLC | 23,081 | $1.38M | 0.06% | +14,156+158.6% | Added |
| QS Investors, LLC | 22,350 | $1.34M | 0.02% | 00.0% | Unchanged |
| SEI Investments Co | 22,437 | $1.33M | 0.00% | +3,615+19.2% | Added |
| State of Tennessee, Treasury Department | 22,269 | $1.33M | 0.01% | +8,568+62.5% | Added |
| Royce & Associates LP | 21,838 | $1.31M | 0.01% | −1,525−6.5% | Reduced |
| Manufacturers Life Insurance Company, The | 21,602 | $1.29M | 0.00% | +244+1.1% | Added |
| STRS Ohio | 21,000 | $1.26M | 0.00% | +1,900+9.9% | Added |
| Hillsdale Investment Management Inc. | 20,400 | $1.22M | 0.10% | 00.0% | Unchanged |
| SummerHaven Investment Management, LLC | 20,346 | $1.22M | 0.69% | +498+2.5% | Added |
| Delphi Management Inc | 19,219 | $1.15M | 1.10% | +19,219 | New |
| StoneX Group Inc. | 18,779 | $1.12M | 0.17% | −200−1.1% | Reduced |
| MorganRosel Wealth Management, LLC | 18,778 | $1.12M | 0.63% | +5,006+36.3% | Added |
| Berkshire Asset Management LLC | 18,000 | $1.08M | 0.07% | 00.0% | Unchanged |