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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 2021

Institutional positions in Trinseo PLC as of Dec 31, 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
185
+2 vs. Q3 2021
Shares held
35.2M
−1.12M (−3.1%) vs. Q3 2021
Total value
$1.84B
−$118.2M (−6.0%) vs. Q3 2021
New holders
44
45 more added
Sold out
42
70 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 185 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 2021: $1.84B
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 2021

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q3 2021.

Institutions holding TSEOQ in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
MetLife Investment Management13,205$692.7K0.01%00.0%Unchanged
Tudor Investment Corp Et Al13,233$694.0K0.01%+13,233New
Royal Bank of Canada14,205$746.0K0.00%+7,576+114.3%Added
StoneX Group Inc.14,504$760.9K0.09%−4,235−22.6%Reduced
Jackson Creek Investment Advisors LLC14,748$774.0K0.28%−1,029−6.5%Reduced
Price T Rowe Associates Inc14,834$778.0K0.00%−634−4.1%Reduced
Oregon Public Employees Retirement Fund14,934$783.0K0.01%−660−4.2%Reduced
Berkshire Asset Management LLC15,100$792.0K0.05%+15,100New
Voya Investment Management LLC15,147$795.0K0.00%−14,787−49.4%Reduced
SummerHaven Investment Management, LLC15,254$800.0K0.43%00.0%Unchanged
Maryland State Retirement & Pension System15,483$812.0K0.02%+15,483New
Balyasny Asset Management LLC15,681$823.0K0.00%+15,681New
New York Life Investments Alternatives15,699$824.0K0.55%+520+3.4%Added
Federation des caisses Desjardins du Quebec17,592$923.0K0.01%−7,200−29.0%Reduced
First Republic Investment Management, Inc.18,041$946.0K0.00%+18,041New
NorthCrest Asset Manangement, LLC18,700$981.0K0.05%+18,700New
Louisiana State Employees Retirement System18,800$986.0K0.02%+100+0.5%Added
Manufacturers Life Insurance Company, The18,845$989.0K0.00%+18,845New
State of Tennessee, Treasury Department20,863$1.09M0.00%+20,863New
Credit Suisse AG23,390$1.23M0.00%+97+0.4%Added
Allspring Global Investments Holdings, LLC23,628$1.24M0.00%+23,628New
American International Group, Inc.23,661$1.24M0.01%−761−3.1%Reduced
New York State Teachers Retirement System26,617$1.40M0.00%−658−2.4%Reduced
State of Alaska, Department of Revenue27,500$1.44M0.01%−825−2.9%Reduced
New York State Common Retirement Fund28,025$1.47M0.00%+63+0.2%Added
Texas Permanent School Fund28,123$1.48M0.02%−599−2.1%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys29,353$1.54M0.02%−87−0.3%Reduced
Deutsche Bank AG29,836$1.57M0.00%+3,694+14.1%Added
Citigroup Inc31,041$1.63M0.00%+9,041+41.1%Added
California First Leasing Corp31,500$1.65M0.82%+31,500New
Thrivent Financial for Lutherans31,606$1.66M0.00%+221+0.7%Added
Atom Investors LP33,561$1.76M0.49%+6,204+22.7%Added
Yousif Capital Management, LLC35,295$1.85M0.02%+35,295New
SG Americas Securities, LLC37,584$1.97M0.01%−5,374−12.5%Reduced
Citadel Advisors LLC37,610$1.97M0.00%+21,530+133.9%Added
Waterfront Wealth Inc.41,559$2.18M0.86%+13,574+48.5%Added
Jane Street Group, LLC46,466$2.44M0.00%+46,466New
California State Teachers Retirement System47,436$2.49M0.00%+1,075+2.3%Added
Raymond James & Associates49,397$2.59M0.00%−3,523−6.7%Reduced
Wells Fargo & Company49,637$2.60M0.00%−18,159−26.8%Reduced
TD Waterhouse Canada Inc.47,620$2.70M0.03%+47,620New
Swiss National Bank68,500$3.59M0.00%00.0%Unchanged
Squarepoint Ops LLC68,539$3.60M0.02%+14,354+26.5%Added
Allianz Asset Management GmbH71,783$3.77M0.00%−32,185−31.0%Reduced
Prudential Financial Inc75,250$3.95M0.00%−122,664−62.0%Reduced
Public Sector Pension Investment Board79,106$4.15M0.02%+640+0.8%Added
UBS Group AG79,372$4.16M0.00%+72,892+1,124.9%Added
Susquehanna International Group, LLP84,058$4.41M0.01%−79,186−48.5%Reduced
Rhumbline Advisers92,147$4.83M0.01%−1,269−1.4%Reduced
Summit Street Capital Management, LLC99,604$5.22M3.26%+14,641+17.2%Added
Russell Investments Group, Ltd.100,369$5.26M0.01%−17,942−15.2%Reduced
Nordea Investment Management AB113,832$6.00M0.01%−469−0.4%Reduced
Goldman Sachs Group Inc114,774$6.02M0.00%−17,168−13.0%Reduced
Wilen Investment Management Corp.126,889$6.60M5.04%+9,100+7.7%Added
JB Capital Partners LP127,001$6.66M1.41%00.0%Unchanged
Hotchkis & Wiley Capital Management LLC152,982$8.03M0.03%+2,100+1.4%Added
Morgan Stanley184,333$9.67M0.00%+14,569+8.6%Added
Bank of America Corp191,551$10.0M0.00%−999−0.5%Reduced
Medina Singh Partners, LLC193,083$10.1M7.21%+193,083New
Bridgeway Capital Management, LLC196,500$10.3M0.19%+196,500New
State of Wisconsin Investment Board226,550$11.9M0.02%−6,400−2.7%Reduced
Parametric Portfolio Associates LLC241,533$12.7M0.01%+241,533New
Systematic Financial Management LP250,100$13.1M0.39%+21,195+9.3%Added
JPMorgan Chase & Co258,188$13.5M0.00%−27,351−9.6%Reduced
Principal Financial Group Inc307,898$16.2M0.01%−36,265−10.5%Reduced
Norges Bank353,027$18.5M0.00%00.0%Unchanged
Invesco Ltd.363,369$19.1M0.00%+96,203+36.0%Added
Nuveen Asset Management, LLC368,948$19.4M0.01%−4,994−1.3%Reduced
Bank of New York Mellon Corp431,322$22.6M0.00%−21,956−4.8%Reduced
Ameriprise Financial Inc444,655$23.3M0.01%+71,006+19.0%Added
Northern Trust Corp454,612$23.8M0.00%−5,465−1.2%Reduced
Jacobs Levy Equity Management, Inc477,187$25.0M0.17%−51,928−9.8%Reduced
Victory Capital Management Inc493,702$25.9M0.02%+350,256+244.2%Added
Charles Schwab Investment Management Inc529,153$27.8M0.01%−678−0.1%Reduced
Geode Capital Management, LLC688,279$36.1M0.00%−598,781−46.5%Reduced
Boston Partners767,907$40.3M0.05%−45,406−5.6%Reduced
LSV Asset Management1,102,103$57.8M0.10%−118,100−9.7%Reduced
Fuller & Thaler Asset Management, Inc.1,138,272$59.7M0.35%+33,099+3.0%Added
Dimensional Fund Advisors LP1,393,642$73.1M0.02%−7,583−0.5%Reduced
State Street Corp1,395,169$73.2M0.00%+46,926+3.5%Added
Vanguard Group Inc1,694,403$88.9M0.00%−121,507−6.7%Reduced
Alliancebernstein L.P.1,727,119$90.6M0.03%−62,034−3.5%Reduced
FMR LLC2,533,470$132.9M0.01%+362,548+16.7%Added
BlackRock Inc.6,252,810$328.0M0.01%−177,080−2.8%Reduced
M&G Investment Management Ltd7,634,044$397.0M2.87%00.0%Unchanged
Renaissance Technologies LLC0$00.00%−202,624−100.0%Sold out
Grantham, Mayo, Van Otterloo & Co. LLC0$00.00%−181,503−100.0%Sold out
Scopus Asset Management, L.P.0$00.00%−120,000−100.0%Sold out
Millennium Management LLC0$00.00%−83,423−100.0%Sold out
Acadian Asset Management LLC0$00.00%−82,501−100.0%Sold out
Schroder Investment Management Group0$00.00%−80,567−100.0%Sold out
LPL Financial LLC0$00.00%−62,085−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−48,122−100.0%Sold out
BNP Paribas Arbitrage, SA0$00.00%−44,380−100.0%Sold out
Comerica Bank0$00.00%−42,892−100.0%Sold out
Barclays PLC0$00.00%−42,072−100.0%Sold out
First Trust Advisors LP0$00.00%−41,914−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−34,543−100.0%Sold out
Kiwi Wealth Investments Limited Partnership0$00.00%−27,812−100.0%Sold out
AQR Capital Management LLC0$00.00%−27,031−100.0%Sold out