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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, Q2 2023

Institutional positions in Trinseo PLC as of Jun 30, 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
145
−21 vs. Q1 2023
Shares held
32.9M
−411.8K (−1.2%) vs. Q1 2023
Total value
$418.8M
−$277.0M (−39.8%) vs. Q1 2023
New holders
12
44 more added
Sold out
33
60 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 145 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 heldQ2 2023: $418.8M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q1 2023.

Institutions holding TSEOQ in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
M&G Investment Management Ltd7,625,044$99.1M0.59%00.0%Unchanged
BlackRock Inc.5,788,233$73.3M0.00%−21,124−0.4%Reduced
Vanguard Group Inc1,613,841$20.4M0.00%+47,528+3.0%Added
Fuller & Thaler Asset Management, Inc.1,592,961$20.2M0.11%−2,734−0.2%Reduced
State Street Corp1,377,634$17.5M0.00%−35,134−2.5%Reduced
Fisher Asset Management, LLC1,374,052$17.4M0.01%+53,144+4.0%Added
Towle & Co1,185,664$15.0M1.98%+45,030+3.9%Added
Dimensional Fund Advisors LP1,181,579$15.0M0.00%−67,242−5.4%Reduced
Charles Schwab Investment Management Inc992,710$12.6M0.00%+174,152+21.3%Added
Hotchkis & Wiley Capital Management LLC739,320$9.37M0.03%+306,690+70.9%Added
Geode Capital Management, LLC692,606$8.78M0.00%+27,998+4.2%Added
Deprince Race & Zollo Inc687,031$8.70M0.20%+448,505+188.0%Added
Citadel Advisors LLC663,281$8.40M0.01%+157,585+31.2%Added
Jacobs Levy Equity Management, Inc612,058$7.75M0.04%−149,989−19.7%Reduced
Invesco Ltd.495,047$6.27M0.00%+52,198+11.8%Added
Northern Trust Corp372,825$4.72M0.00%−23,805−6.0%Reduced
Bank of New York Mellon Corp365,711$4.63M0.00%−497−0.1%Reduced
Bridgeway Capital Management, LLC310,000$3.93M0.09%+106,865+52.6%Added
Russell Investments Group, Ltd.297,641$3.77M0.01%+143,191+92.7%Added
Norges Bank281,876$3.57M0.00%00.0%Unchanged
Ameriprise Financial Inc266,743$3.38M0.00%+3,276+1.2%Added
Morgan Stanley246,950$3.13M0.00%−236,463−48.9%Reduced
Algert Global LLC244,940$3.10M0.14%+232,250+1,830.2%Added
Renaissance Technologies LLC220,700$2.80M0.00%−46,700−17.5%Reduced
Principal Financial Group Inc199,637$2.53M0.00%−11,467−5.4%Reduced
Bank of America Corp193,451$2.45M0.00%−1,300−0.7%Reduced
D. E. Shaw & Co., Inc.179,271$2.27M0.00%+134,718+302.4%Added
LSV Asset Management165,184$2.09M0.00%−396,659−70.6%Reduced
Goldman Sachs Group Inc147,789$1.87M0.00%−118,946−44.6%Reduced
Nuveen Asset Management, LLC145,190$1.84M0.00%−50,423−25.8%Reduced
Voloridge Investment Management, LLC130,599$1.65M0.01%−30,751−19.1%Reduced
JB Capital Partners LP127,001$1.61M0.35%00.0%Unchanged
Rhumbline Advisers111,828$1.42M0.00%−3,291−2.9%Reduced
Icon Advisers Inc103,000$1.31M0.33%+103,000New
Legal & General Group Plc96,513$1.22M0.00%−2,481−2.5%Reduced
Tudor Investment Corp Et Al92,048$1.17M0.02%+464+0.5%Added
JPMorgan Chase & Co88,650$1.12M0.00%+21,861+32.7%Added
Kiwi Wealth Investments Limited Partnership83,100$1.05M0.07%+67,083+418.8%Added
Squarepoint Ops LLC74,889$948.8K0.01%+9,360+14.3%Added
Mutual Advisors, LLC67,750$858.4K0.03%00.0%Unchanged
AQR Capital Management LLC66,149$838.1K0.00%−6,248−8.6%Reduced
Public Sector Pension Investment Board62,385$790.4K0.01%+874+1.4%Added
Swiss National Bank60,400$765.3K0.00%00.0%Unchanged
Jump Financial, LLC60,093$761.4K0.03%+39,530+192.2%Added
Thrivent Financial for Lutherans50,342$638.0K0.00%−2,314−4.4%Reduced
UBS Asset Management Americas Inc28,216$588.3K0.00%00.0%Unchanged
Jane Street Group, LLC45,823$580.6K0.00%−18,042−28.3%Reduced
Credit Suisse AG45,191$572.6K0.00%−5,599−11.0%Reduced
Alliancebernstein L.P.44,785$567.4K0.00%−4,150−8.5%Reduced
State of Wisconsin Investment Board40,111$508.2K0.00%−3,414−7.8%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys39,728$503.4K0.00%+2,697+7.3%Added
California State Teachers Retirement System36,260$459.4K0.00%−1,327−3.5%Reduced
Quadrature Capital Ltd34,349$434.9K0.01%+34,349New
UBS Group AG33,683$426.8K0.00%−7,297−17.8%Reduced
ING Groep NV33,595$425.6K0.00%00.0%Unchanged
StoneX Group Inc.32,203$408.0K0.04%+18,981+143.6%Added
Citigroup Inc30,877$391.2K0.00%+14,531+88.9%Added
Man Group plc30,800$390.2K0.00%+30,800New
Texas Permanent School Fund30,696$388.9K0.00%−460−1.5%Reduced
SEI Investments Co29,862$378.4K0.00%+13,130+78.5%Added
Public Employees Retirement System of Ohio29,820$378.0K0.00%−3,146−9.5%Reduced
Dynamic Technology Lab Private Ltd25,385$322.0K0.04%+25,385New
Wells Fargo & Company25,029$317.1K0.00%−2,538−9.2%Reduced
CWM Advisors, LLC24,765$313.8K0.04%+11,701+89.6%Added
Barclays PLC24,004$304.1K0.00%−2,398−9.1%Reduced
PDT Partners, LLC23,670$299.9K0.04%+23,670New
Millennium Management LLC23,134$293.1K0.00%−69,014−74.9%Reduced
State of Alaska, Department of Revenue23,107$292.0K0.00%−842−3.5%Reduced
American Century Companies Inc22,971$291.0K0.00%+8,882+63.0%Added
XTX Topco Ltd21,175$268.3K0.05%+21,175New
Virtu Financial LLC20,640$261.0K0.02%+8,646+72.1%Added
Raymond James & Associates20,427$258.8K0.00%+2,563+14.3%Added
Price T Rowe Associates Inc19,644$249.0K0.00%+358+1.9%Added
MetLife Investment Management19,077$241.7K0.00%00.0%Unchanged
Yousif Capital Management, LLC18,953$240.1K0.00%−872−4.4%Reduced
American International Group, Inc.18,804$238.2K0.00%−296−1.5%Reduced
NorthCrest Asset Manangement, LLC18,520$234.6K0.01%00.0%Unchanged
Deutsche Bank AG18,500$234.4K0.00%−9,924−34.9%Reduced
Louisiana State Employees Retirement System18,400$233.1K0.01%+2,100+12.9%Added
New York State Teachers Retirement System16,332$207.0K0.00%−400−2.4%Reduced
HRT Financial LP16,329$206.0K0.00%+16,329New
Mirae Asset Global Investments Co., Ltd.16,171$204.9K0.00%00.0%Unchanged
Two Sigma Investments, LP16,000$202.7K0.00%−90,014−84.9%Reduced
Dark Forest Capital Management LP15,436$195.6K0.02%+10,028+185.4%Added
Group One Trading, L.P.14,921$189.0K0.01%+12,745+585.7%Added
Advisory Services Network, LLC14,350$181.8K0.00%+13,350+1,335.0%Added
Voya Investment Management LLC14,233$180.3K0.00%+783+5.8%Added
Manufacturers Life Insurance Company, The14,224$180.2K0.00%+689+5.1%Added
Royal Bank of Canada14,237$180.0K0.00%+11,716+464.7%Added
Amalgamated Bank14,104$179.0K0.00%−694−4.7%Reduced
Maryland State Retirement & Pension System13,693$173.5K0.00%−609−4.3%Reduced
Janus Henderson Group PLC12,877$163.0K0.00%−20−0.2%Reduced
Y-Intercept (Hong Kong) Ltd12,008$152.1K0.02%+12,008New
State of Tennessee, Treasury Department11,884$150.6K0.00%00.0%Unchanged
Teachers Retirement System of the State of Kentucky11,844$150.0K0.00%+613+5.5%Added
Susquehanna International Group, LLP11,052$140.0K0.00%−77,010−87.4%Reduced
Oregon Public Employees Retirement Fund10,985$139.2K0.00%−300−2.7%Reduced
New York State Common Retirement Fund10,902$138.1K0.00%−8,124−42.7%Reduced
Boothbay Fund Management, LLC10,431$132.2K0.00%+10,431New
EMC Capital Management22,854$106.0K0.22%+19,708+626.4%Added