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 |
|---|---|---|---|---|---|
| First Republic Investment Management, Inc. | 0 | $0 | 0.00% | −17,512−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −17,429−100.0% | Sold out |
| Handelsbanken Fonder AB | 0 | $0 | 0.00% | −11,830−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −10,308−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −10,039−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −9,600−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −7,917−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −7,001−100.0% | Sold out |
| Range Financial Group LLC | 0 | $0 | 0.00% | −6,995−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −6,526−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −6,120−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −5,252−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −5,193−100.0% | Sold out |
| AlphaCrest Capital Management LLC | 0 | $0 | 0.00% | −5,200−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −4,894−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −4,502−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −4,331−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −3,691−100.0% | Sold out |
| Zeke Capital Advisors, LLC | 0 | $0 | 0.00% | −3,596−100.0% | Sold out |
| Quantedge Capital Pte Ltd | 0 | $0 | 0.00% | −3,600−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −3,582−100.0% | Sold out |
| Advisor Partners LLC | 0 | $0 | 0.00% | −3,384−100.0% | Sold out |
| First Mercantile Trust Co | 0 | $0 | 0.00% | −2,665−100.0% | Sold out |
| McIlrath & Eck, LLC | 0 | $0 | 0.00% | −2,314−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −2,266−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −972−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −782−100.0% | Sold out |
| Exos Asset Management LLC | 0 | $0 | 0.00% | −474−100.0% | Sold out |
| Financial Management Professionals, Inc. | 0 | $0 | 0.00% | −208−100.0% | Sold out |
| Founders Capital Management | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −192−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Laurel Wealth Advisors LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| QS Investors, LLC | – | – | – | – | Not filed |