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 |
|---|---|---|---|---|---|
| Northern Trust Corp | 470,326 | $28.1M | 0.00% | +8,200+1.8% | Added |
| Boston Partners | 485,940 | $29.1M | 0.04% | +16,720+3.6% | Added |
| Charles Schwab Investment Management Inc | 544,237 | $32.6M | 0.01% | −20,481−3.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 569,331 | $34.1M | 0.23% | +76,238+15.5% | Added |
| Geode Capital Management, LLC | 633,284 | $37.9M | 0.01% | +19,740+3.2% | Added |
| FMR LLC | 987,056 | $59.1M | 0.00% | +323,381+48.7% | Added |
| Fuller & Thaler Asset Management, Inc. | 1,130,856 | $67.7M | 0.44% | +63,104+5.9% | Added |
| LSV Asset Management | 1,260,703 | $75.4M | 0.13% | −31,100−2.4% | Reduced |
| State Street Corp | 1,346,674 | $80.6M | 0.00% | +35,832+2.7% | Added |
| Dimensional Fund Advisors LP | 1,480,493 | $88.6M | 0.03% | −26,727−1.8% | Reduced |
| Vanguard Group Inc | 1,806,707 | $108.1M | 0.00% | +225,967+14.3% | Added |
| Alliancebernstein L.P. | 1,943,124 | $116.3M | 0.05% | −49,328−2.5% | Reduced |
| BlackRock Inc. | 6,597,742 | $394.8M | 0.01% | −174,128−2.6% | Reduced |
| M&G Investment Management Ltd | 7,634,044 | $458.0M | 2.38% | −30,000−0.4% | Reduced |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −72,400−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −15,575−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −15,235−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −13,900−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −10,999−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −10,422−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −8,489−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −8,456−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −8,348−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −8,247−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −7,400−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −6,395−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −5,344−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −5,030−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −4,391−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −4,085−100.0% | Sold out |
| Magnus Financial Group LLC | 0 | $0 | 0.00% | −3,789−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −3,499−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Bellwether Advisors, LLC | 0 | $0 | 0.00% | −3,010−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −2,893−100.0% | Sold out |
| Optimum Investment Advisors | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −230−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −73−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Pillar Pacific Capital Management LLC | – | – | – | – | Not filed |