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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, Q4 2023

Institutional positions in Trinseo PLC as of Dec 31, 2023. 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
128
−18 vs. Q3 2023
Shares held
29.1M
−547.9K (−1.8%) vs. Q3 2023
Total value
$241.2M
−$714.7K (−0.3%) vs. Q3 2023
New holders
21
47 more added
Sold out
39
46 more reduced

Compare with Q3 2023: 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 holdersQ4 2023: 128 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 heldQ4 2023: $241.2M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q3 2023.

Institutions holding TSEOQ in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of New York Mellon Corp150,872$1.26M0.00%−13,722−8.3%Reduced
Goldman Sachs Group Inc197,464$1.65M0.00%+865+0.4%Added
Thomist Capital Management, LP215,830$1.88M0.83%+215,830New
Two Sigma Investments, LP238,489$2.00M0.00%+156,019+189.2%Added
Bank of America Corp251,321$2.10M0.00%−49,475−16.4%Reduced
Bridgeway Capital Management, LLC286,400$2.40M0.05%−145,200−33.6%Reduced
Northern Trust Corp306,015$2.56M0.00%−38,687−11.2%Reduced
Qube Research & Technologies Ltd307,760$2.58M0.01%+12,889+4.4%Added
Walleye Capital LLC350,724$2.94M0.04%+122,069+53.4%Added
Squarepoint Ops LLC353,078$2.96M0.01%+155,485+78.7%Added
Ameriprise Financial Inc356,110$2.98M0.00%+115,457+48.0%Added
Dimensional Fund Advisors LP371,027$3.11M0.00%−274,259−42.5%Reduced
D. E. Shaw & Co., Inc.375,937$3.15M0.00%+1,798+0.5%Added
Russell Investments Group, Ltd.407,522$3.41M0.01%−134,060−24.8%Reduced
AQR Capital Management LLC457,374$3.83M0.01%+113,220+32.9%Added
Citadel Advisors LLC533,703$4.47M0.00%−91,036−14.6%Reduced
Morgan Stanley553,562$4.63M0.00%+315,872+132.9%Added
Geode Capital Management, LLC749,822$6.28M0.00%+33,003+4.6%Added
Deprince Race & Zollo Inc773,180$6.47M0.15%−240,290−23.7%Reduced
State Street Corp788,567$6.60M0.00%−31,393−3.8%Reduced
Millennium Management LLC875,557$7.33M0.01%−433,599−33.1%Reduced
Jacobs Levy Equity Management, Inc903,728$7.56M0.04%+221,169+32.4%Added
Vanguard Group Inc1,022,437$8.56M0.00%+89,953+9.6%Added
Fuller & Thaler Asset Management, Inc.1,497,137$12.5M0.06%−71,121−4.5%Reduced
Hotchkis & Wiley Capital Management LLC1,627,240$13.6M0.05%+507,200+45.3%Added
Charles Schwab Investment Management Inc1,636,068$13.7M0.00%+432,501+35.9%Added
BlackRock Inc.2,638,164$22.1M0.00%+1,610+0.1%Added
M&G Investment Management Ltd7,625,044$61.0M0.37%00.0%Unchanged
Icon Advisers Inc0$00.00%−240,000−100.0%Sold out
Verition Fund Management LLC0$00.00%−131,012−100.0%Sold out
Algert Global LLC0$00.00%−94,790−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−76,097−100.0%Sold out
Eisler Capital (US) LLC0$00.00%−75,000−100.0%Sold out
Swiss National Bank0$00.00%−61,800−100.0%Sold out
Credit Suisse AG0$00.00%−44,139−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−42,231−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−38,355−100.0%Sold out
ING Groep NV0$00.00%−33,595−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−32,577−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−28,349−100.0%Sold out
Aventail Capital Group, LP0$00.00%−27,108−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−18,692−100.0%Sold out
LSV Asset Management0$00.00%−16,457−100.0%Sold out
HSBC Holdings PLC0$00.00%−14,474−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−14,492−100.0%Sold out
Laurion Capital Management LP0$00.00%−14,401−100.0%Sold out
Janus Henderson Group PLC0$00.00%−12,877−100.0%Sold out
Boulder Hill Capital Management LP0$00.00%−11,400−100.0%Sold out
CTC Alternative Strategies, Ltd.0$00.00%−11,200−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−10,620−100.0%Sold out
Teachers Retirement System of the State of Kentucky0$00.00%−8,444−100.0%Sold out
State of Wyoming0$00.00%−8,337−100.0%Sold out
Zurcher Kantonalbank (Zurich Cantonalbank)0$00.00%−6,131−100.0%Sold out
Lazard Asset Management LLC0$00.00%−5,919−100.0%Sold out
National Bank of Canada0$00.00%−2,300−100.0%Sold out
Amundi0$00.00%−2,626−100.0%Sold out
KBC Group NV0$00.00%−2,003−100.0%Sold out
Citizens National Bank Trust Department0$00.00%−1,500−100.0%Sold out
Nomura Asset Management Co Ltd0$00.00%−1,080−100.0%Sold out
US Bancorp0$00.00%−819−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−296−100.0%Sold out
Fifth Third Bancorp0$00.00%−245−100.0%Sold out
Bessemer Group Inc0$00.00%−299−100.0%Sold out
GHP Investment Advisors, Inc.0$00.00%−251−100.0%Sold out
Signaturefd, LLC0$00.00%−70−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−60−100.0%Sold out
Allworth Financial LP0$00.00%−22−100.0%Sold out