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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
Covestor Ltd6$00.00%−156−96.3%Reduced
Harbour Investments, Inc.10$1270.00%00.0%Unchanged
NewSquare Capital LLC10$1270.00%00.0%Unchanged
Farther Finance Advisors, LLC21$2660.00%−6−22.2%Reduced
Farmers & Merchants Investments Inc24$3040.00%00.0%Unchanged
Massmutual Trust Co FSB24$3040.00%+24New
Huntington National Bank33$4200.00%−367−91.8%Reduced
Moisand Fitzgerald Tamayo, LLC35$4440.00%00.0%Unchanged
Baker Avenue Asset Management, LP36$4560.00%+36New
Barrow Hanley Mewhinney & Strauss LLC47$5950.00%00.0%Unchanged
Allianz Asset Management GmbH53,951$6840.00%−30,966−36.5%Reduced
Fifth Third Bancorp121$1.53K0.00%−387−76.2%Reduced
Quadrant Capital Group LLC171$2.17K0.00%−378−68.9%Reduced
Versant Capital Management, Inc185$2.34K0.00%−252−57.7%Reduced
US Bancorp200$2.53K0.00%−2,524−92.7%Reduced
EverSource Wealth Advisors, LLC222$2.81K0.00%+222New
SOA Wealth Advisors, LLC.246$3.11K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.248$3.14K0.00%−2,998−92.4%Reduced
GHP Investment Advisors, Inc.251$3.60K0.00%00.0%Unchanged
Founders Capital Management300$3.80K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.195$4.00K0.00%−566−74.4%Reduced
CWM, LLC372$5.00K0.00%−1,173−75.9%Reduced
Lindbrook Capital, LLC636$8.06K0.00%+467+276.3%Added
Steward Partners Investment Advisory, LLC700$8.87K0.00%−9−1.3%Reduced
Mine & Arao Wealth Creation & Management, LLC.1,000$12.7K0.01%00.0%Unchanged
Umb Bank N A1,050$13.3K0.00%00.0%Unchanged
Nomura Asset Management Co Ltd1,080$13.7K0.00%00.0%Unchanged
National Bank of Canada1,300$16.4K0.00%+300+30.0%Added
McIlrath & Eck, LLC1,889$23.9K0.01%00.0%Unchanged
Metropolitan Life Insurance Co1,989$25.2K0.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC2,087$26.4K0.00%+711+51.7%Added
Citizens National Bank Trust Department2,200$27.9K0.01%00.0%Unchanged
Nisa Investment Advisors, LLC2,335$29.6K0.00%+1,710+273.6%Added
KBC Group NV2,546$32.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,699$34.2K0.00%−947−26.0%Reduced
Ameritas Investment Partners, Inc.2,712$34.4K0.00%00.0%Unchanged
Quarry LP3,738$47.4K0.03%+2,089+126.7%Added
Advisor Group Holdings, Inc.3,798$48.1K0.00%−1,651−30.3%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)4,287$54.3K0.00%00.0%Unchanged
Public Employees Retirement Association of Colorado5,856$74.0K0.00%00.0%Unchanged
FMR LLC6,129$77.7K0.00%−454,275−98.7%Reduced
Counterpoint Mutual Funds LLC6,623$83.9K0.08%−2,684−28.8%Reduced
Walleye Trading LLC8,146$103.2K0.01%+5,007+159.5%Added
Amundi7,838$103.5K0.00%−194−2.4%Reduced
EMC Capital Management22,854$106.0K0.22%+19,708+626.4%Added
Boothbay Fund Management, LLC10,431$132.2K0.00%+10,431New
New York State Common Retirement Fund10,902$138.1K0.00%−8,124−42.7%Reduced
Oregon Public Employees Retirement Fund10,985$139.2K0.00%−300−2.7%Reduced
Susquehanna International Group, LLP11,052$140.0K0.00%−77,010−87.4%Reduced
Teachers Retirement System of the State of Kentucky11,844$150.0K0.00%+613+5.5%Added
State of Tennessee, Treasury Department11,884$150.6K0.00%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd12,008$152.1K0.02%+12,008New
Janus Henderson Group PLC12,877$163.0K0.00%−20−0.2%Reduced
Maryland State Retirement & Pension System13,693$173.5K0.00%−609−4.3%Reduced
Amalgamated Bank14,104$179.0K0.00%−694−4.7%Reduced
Royal Bank of Canada14,237$180.0K0.00%+11,716+464.7%Added
Manufacturers Life Insurance Company, The14,224$180.2K0.00%+689+5.1%Added
Voya Investment Management LLC14,233$180.3K0.00%+783+5.8%Added
Advisory Services Network, LLC14,350$181.8K0.00%+13,350+1,335.0%Added
Group One Trading, L.P.14,921$189.0K0.01%+12,745+585.7%Added
Dark Forest Capital Management LP15,436$195.6K0.02%+10,028+185.4%Added
Two Sigma Investments, LP16,000$202.7K0.00%−90,014−84.9%Reduced
Mirae Asset Global Investments Co., Ltd.16,171$204.9K0.00%00.0%Unchanged
HRT Financial LP16,329$206.0K0.00%+16,329New
New York State Teachers Retirement System16,332$207.0K0.00%−400−2.4%Reduced
Louisiana State Employees Retirement System18,400$233.1K0.01%+2,100+12.9%Added
Deutsche Bank AG18,500$234.4K0.00%−9,924−34.9%Reduced
NorthCrest Asset Manangement, LLC18,520$234.6K0.01%00.0%Unchanged
American International Group, Inc.18,804$238.2K0.00%−296−1.5%Reduced
Yousif Capital Management, LLC18,953$240.1K0.00%−872−4.4%Reduced
MetLife Investment Management19,077$241.7K0.00%00.0%Unchanged
Price T Rowe Associates Inc19,644$249.0K0.00%+358+1.9%Added
Raymond James & Associates20,427$258.8K0.00%+2,563+14.3%Added
Virtu Financial LLC20,640$261.0K0.02%+8,646+72.1%Added
XTX Topco Ltd21,175$268.3K0.05%+21,175New
American Century Companies Inc22,971$291.0K0.00%+8,882+63.0%Added
State of Alaska, Department of Revenue23,107$292.0K0.00%−842−3.5%Reduced
Millennium Management LLC23,134$293.1K0.00%−69,014−74.9%Reduced
PDT Partners, LLC23,670$299.9K0.04%+23,670New
Barclays PLC24,004$304.1K0.00%−2,398−9.1%Reduced
CWM Advisors, LLC24,765$313.8K0.04%+11,701+89.6%Added
Wells Fargo & Company25,029$317.1K0.00%−2,538−9.2%Reduced
Dynamic Technology Lab Private Ltd25,385$322.0K0.04%+25,385New
Public Employees Retirement System of Ohio29,820$378.0K0.00%−3,146−9.5%Reduced
SEI Investments Co29,862$378.4K0.00%+13,130+78.5%Added
Texas Permanent School Fund30,696$388.9K0.00%−460−1.5%Reduced
Man Group plc30,800$390.2K0.00%+30,800New
Citigroup Inc30,877$391.2K0.00%+14,531+88.9%Added
StoneX Group Inc.32,203$408.0K0.04%+18,981+143.6%Added
ING Groep NV33,595$425.6K0.00%00.0%Unchanged
UBS Group AG33,683$426.8K0.00%−7,297−17.8%Reduced
Quadrature Capital Ltd34,349$434.9K0.01%+34,349New
California State Teachers Retirement System36,260$459.4K0.00%−1,327−3.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys39,728$503.4K0.00%+2,697+7.3%Added
State of Wisconsin Investment Board40,111$508.2K0.00%−3,414−7.8%Reduced
Alliancebernstein L.P.44,785$567.4K0.00%−4,150−8.5%Reduced
Credit Suisse AG45,191$572.6K0.00%−5,599−11.0%Reduced
Jane Street Group, LLC45,823$580.6K0.00%−18,042−28.3%Reduced
UBS Asset Management Americas Inc28,216$588.3K0.00%00.0%Unchanged
Thrivent Financial for Lutherans50,342$638.0K0.00%−2,314−4.4%Reduced