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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 2022

Institutional positions in Trinseo PLC as of Mar 31, 2022. 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
189
+5 vs. Q4 2021
Shares held
34.5M
−679.2K (−1.9%) vs. Q4 2021
Total value
$1.66B
−$187.8M (−10.2%) vs. Q4 2021
New holders
36
62 more added
Sold out
31
62 more reduced

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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.

Institutional holdersQ1 2022: 189 institutions
Q1 2021: 209 institutionsQ2 2021: 214 institutionsQ3 2021: 184 institutionsQ4 2021: 185 institutionsQ1 2022: 189 institutionsQ2 2022: 194 institutionsQ3 2022: 182 institutionsQ4 2022: 182 institutionsQ1 2023: 167 institutionsQ2 2023: 145 institutionsQ3 2023: 146 institutionsQ4 2023: 128 institutionsQ1 2024: 109 institutionsQ2 2024: 98 institutionsQ3 2024: 71 institutionsQ4 2024: 95 institutionsQ1 2025: 85 institutionsQ2 2025: 80 institutionsQ3 2025: 75 institutionsQ4 2025: 73 institutionsQ1 2026: 14 institutionsQ2 2026: 6 institutions
Value heldQ1 2022: $1.66B
Q1 2021: $2.27BQ2 2021: $2.16BQ3 2021: $1.96BQ4 2021: $1.84BQ1 2022: $1.66BQ2 2022: $1.31BQ3 2022: $585.5MQ4 2022: $746.7MQ1 2023: $695.9MQ2 2023: $418.8MQ3 2023: $241.9MQ4 2023: $241.2MQ1 2024: $105.3MQ2 2024: $56.0MQ3 2024: $116.2MQ4 2024: $126.6MQ1 2025: $95.2MQ2 2025: $85.4MQ3 2025: $60.4MQ4 2025: $12.3MQ1 2026: $11.0KQ2 2026: $740
Institutions holding TSEOQ and their total value by quarter
QuarterHoldersValue
Q2 20266$740
Q1 202614$11.0K
Q4 202573$12.3M
Q3 202575$60.4M
Q2 202580$85.4M
Q1 202585$95.2M
Q4 202495$126.6M
Q3 202471$116.2M
Q2 202498$56.0M
Q1 2024109$105.3M
Q4 2023128$241.2M
Q3 2023146$241.9M
Q2 2023145$418.8M
Q1 2023167$695.9M
Q4 2022182$746.7M
Q3 2022182$585.5M
Q2 2022194$1.31B
Q1 2022189$1.66B
Q4 2021185$1.84B
Q3 2021184$1.96B
Q2 2021214$2.16B
Q1 2021209$2.27B

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q4 2021.

Institutions holding TSEOQ in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
PEAK6 Investments LLC0$00.00%−6,632−100.0%Sold out
Wolverine Trading, LLC0$00.00%−6,591−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−6,224−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−6,083−100.0%Sold out
Stephens Inc0$00.00%−3,876−100.0%Sold out
Zurcher Kantonalbank (Zurich Cantonalbank)0$00.00%−3,396−100.0%Sold out
Eaton Vance Management0$00.00%−3,284−100.0%Sold out
Barrow Hanley Mewhinney & Strauss LLC0$00.00%−2,696−100.0%Sold out
Compagnie Lombard Odier SCmA0$00.00%−1,850−100.0%Sold out
Citizens National Bank Trust Department0$00.00%−1,400−100.0%Sold out
KBC Group NV0$00.00%−1,084−100.0%Sold out
GPS Wealth Strategies Group, LLC0$00.00%−300−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−280−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−95−100.0%Sold out
Koshinski Asset Management, Inc.0$00.00%−74−100.0%Sold out
Spire Wealth Management0$00.00%−50−100.0%Sold out
Lenox Wealth Advisors, LLC0$00.00%−24−100.0%Sold out
First Horizon Advisors, Inc.0$00.00%−1−100.0%Sold out
Glassman Wealth Services0$00.00%−5−100.0%Sold out
Parallel Advisors, LLC0$00.00%−6−100.0%Sold out
Bell Investment Advisors, Inc––––Not filed