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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, Q3 2022

Institutional positions in Trinseo PLC as of Sep 30, 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
182
−10 vs. Q2 2022
Shares held
32.0M
−2.05M (−6.0%) vs. Q2 2022
Total value
$585.5M
−$720.4M (−55.2%) vs. Q2 2022
New holders
25
72 more added
Sold out
35
63 more reduced

2 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 holdersQ3 2022: 182 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 heldQ3 2022: $585.5M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q2 2022.

Institutions holding TSEOQ in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
M&G Investment Management Ltd7,625,044$137.3M1.15%−3,0000.0%Reduced
BlackRock Inc.5,653,997$103.6M0.00%−216,827−3.7%Reduced
Vanguard Group Inc1,538,832$28.2M0.00%−60,916−3.8%Reduced
State Street Corp1,397,208$25.6M0.00%−35,401−2.5%Reduced
Fuller & Thaler Asset Management, Inc.1,248,397$22.9M0.16%+183,149+17.2%Added
Dimensional Fund Advisors LP1,180,114$21.6M0.01%−235,090−16.6%Reduced
LSV Asset Management1,111,399$20.4M0.05%+58,453+5.6%Added
FMR LLC700,767$12.8M0.00%−2,082,047−74.8%Reduced
Boston Partners676,254$12.4M0.02%−40,588−5.7%Reduced
Charles Schwab Investment Management Inc636,724$11.7M0.00%+56,209+9.7%Added
Geode Capital Management, LLC631,779$11.6M0.00%−2,948−0.5%Reduced
Jacobs Levy Equity Management, Inc535,215$9.80M0.08%+26,239+5.2%Added
Ameriprise Financial Inc489,989$8.98M0.00%+23,941+5.1%Added
Morgan Stanley448,010$8.21M0.00%+90,634+25.4%Added
Renaissance Technologies LLC431,400$7.90M0.01%+317,700+279.4%Added
Invesco Ltd.425,075$7.79M0.00%+73,159+20.8%Added
Citadel Advisors LLC413,599$7.58M0.01%+324,516+364.3%Added
Northern Trust Corp380,498$6.97M0.00%−15,392−3.9%Reduced
Bank of New York Mellon Corp367,472$6.73M0.00%−26,575−6.7%Reduced
Hotchkis & Wiley Capital Management LLC337,940$6.19M0.03%+150,690+80.5%Added
Marshall Wace, LLP331,310$6.07M0.02%+302,917+1,066.9%Added
Norges Bank321,900$5.90M0.00%00.0%Unchanged
Systematic Financial Management LP291,976$5.35M0.20%+2,922+1.0%Added
Principal Financial Group Inc226,361$4.15M0.00%−27,097−10.7%Reduced
Nuveen Asset Management, LLC226,115$4.14M0.00%−4,577−2.0%Reduced
Prudential Financial Inc99,525$3.86M0.01%+47,260+90.4%Added
Bridgeway Capital Management, LLC209,500$3.84M0.10%00.0%Unchanged
Goldman Sachs Group Inc203,953$3.74M0.00%+41,035+25.2%Added
Bank of America Corp182,722$3.35M0.00%−206,924−53.1%Reduced
AQR Capital Management LLC168,798$3.09M0.01%+146,154+645.4%Added
Cubist Systematic Strategies, LLC153,759$2.82M0.02%+73,505+91.6%Added
Squarepoint Ops LLC151,601$2.78M0.02%+84,129+124.7%Added
JB Capital Partners LP127,001$2.29M0.67%00.0%Unchanged
Wilen Investment Management Corp.125,889$2.27M2.31%+450+0.4%Added
Rhumbline Advisers108,769$1.99M0.00%+1,371+1.3%Added
Victory Capital Management Inc108,336$1.99M0.00%+88,144+436.5%Added
Summit Street Capital Management, LLC103,908$1.90M1.32%+4,304+4.3%Added
First Trust Advisors LP102,007$1.87M0.00%+470.0%Added
Legal & General Group Plc97,386$1.78M0.00%−4,806−4.7%Reduced
American Century Companies Inc95,458$1.75M0.00%+33,263+53.5%Added
Twinbeech Capital LP92,578$1.70M0.04%+92,578New
JPMorgan Chase & Co79,851$1.46M0.00%+21,730+37.4%Added
Russell Investments Group, Ltd.78,961$1.44M0.00%−11,301−12.5%Reduced
Tudor Investment Corp Et Al77,332$1.42M0.03%+77,332New
Jane Street Group, LLC71,084$1.30M0.00%+5,745+8.8%Added
Swiss National Bank68,600$1.26M0.00%−1,200−1.7%Reduced
HRT Financial LP64,833$1.19M0.01%+16,662+34.6%Added
Public Sector Pension Investment Board64,106$1.17M0.01%−2,815−4.2%Reduced
Qube Research & Technologies Ltd58,124$1.06M0.01%+24,923+75.1%Added
Alliancebernstein L.P.57,650$1.06M0.00%+200.0%Added
Thrivent Financial for Lutherans54,148$992.0K0.00%−66,731−55.2%Reduced
Millennium Management LLC53,375$978.0K0.00%−806,901−93.8%Reduced
Balyasny Asset Management LLC48,882$895.0K0.00%−33,943−41.0%Reduced
UBS Asset Management Americas Inc42,715$782.5K0.00%+4,950+13.1%Added
New York State Common Retirement Fund41,915$768.0K0.00%+4,002+10.6%Added
Point72 Asset Management, L.P.40,700$746.0K0.00%+17,900+78.5%Added
Acadian Asset Management LLC39,987$732.0K0.00%−6,273−13.6%Reduced
LPL Financial LLC39,090$716.0K0.00%−3,692−8.6%Reduced
California State Teachers Retirement System38,697$709.0K0.00%−2,008−4.9%Reduced
Allianz Asset Management GmbH37,909$694.0K0.00%−4,745−11.1%Reduced
AlphaCrest Capital Management LLC35,728$655.0K0.04%+28,359+384.8%Added
Comerica Bank36,150$637.0K0.01%−2,640−6.8%Reduced
Duality Advisers, LP33,340$611.0K0.07%+33,340New
Susquehanna International Group, LLP32,646$598.0K0.00%−7,294−18.3%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys31,865$584.0K0.01%−1,090−3.3%Reduced
Dynamic Technology Lab Private Ltd30,312$555.0K0.05%+30,312New
Walleye Capital LLC28,997$531.0K0.01%+28,997New
Yousif Capital Management, LLC28,415$521.0K0.01%−1,280−4.3%Reduced
D. E. Shaw & Co., Inc.27,601$506.0K0.00%+27,601New
Credit Suisse AG26,789$491.0K0.00%+2,348+9.6%Added
Engineers Gate Manager LP26,798$491.0K0.03%+15,746+142.5%Added
Texas Permanent School Fund25,069$459.0K0.01%−1,324−5.0%Reduced
State of Alaska, Department of Revenue24,213$443.0K0.01%−3,132−11.5%Reduced
First Republic Investment Management, Inc.23,195$425.0K0.00%+5,057+27.9%Added
State of Tennessee, Treasury Department21,763$399.0K0.00%−11,533−34.6%Reduced
Deutsche Bank AG21,276$389.0K0.00%−3,193−13.0%Reduced
STRS Ohio21,100$386.0K0.00%+7,900+59.8%Added
Exchange Traded Concepts, LLC20,941$384.0K0.01%+6,518+45.2%Added
Salem Investment Counselors Inc20,600$377.0K0.02%−700−3.3%Reduced
New York State Teachers Retirement System20,510$376.0K0.00%−4,693−18.6%Reduced
Ergoteles LLC20,099$368.0K0.01%+8,325+70.7%Added
Citigroup Inc19,873$363.0K0.00%+3,819+23.8%Added
American International Group, Inc.19,163$351.0K0.00%−430−2.2%Reduced
MetLife Investment Management19,077$349.5K0.00%+901+5.0%Added
PEAK6 Investments LLC18,697$343.0K0.01%+18,697New
Campbell & CO Investment Adviser LLC18,605$341.0K0.08%+18,605New
NorthCrest Asset Manangement, LLC18,520$339.0K0.02%−400−2.1%Reduced
Price T Rowe Associates Inc18,333$336.0K0.00%+2,182+13.5%Added
Royce & Associates LP18,021$330.0K0.00%+2,285+14.5%Added
Y-Intercept (Hong Kong) Ltd17,873$327.4K0.03%+17,873New
Barclays PLC16,845$309.0K0.00%−1,616−8.8%Reduced
Louisiana State Employees Retirement System16,700$306.0K0.01%−800−4.6%Reduced
Mirae Asset Global Investments Co., Ltd.16,171$296.0K0.00%+4,590+39.6%Added
Amalgamated Bank16,055$294.0K0.00%−317−1.9%Reduced
Blueshift Asset Management, LLC15,536$285.0K0.06%+3,880+33.3%Added
UBS Group AG15,576$285.0K0.00%+12,631+428.9%Added
Bank of Montreal9,903$284.0K0.00%−110,775−91.8%Reduced
Versor Investments LP15,500$284.0K0.02%+3,437+28.5%Added
Public Employees Retirement System of Ohio15,396$282.0K0.00%+10,496+214.2%Added
ARGA Investment Management, LP14,585$267.2K0.01%+14,585New