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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, Q1 2023

Institutional positions in Trinseo PLC as of Mar 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
167
−13 vs. Q4 2022
Shares held
33.3M
+574.2K (+1.8%) vs. Q4 2022
Total value
$695.9M
−$50.0M (−6.7%) vs. Q4 2022
New holders
22
52 more added
Sold out
35
58 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2023: 167 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 heldQ1 2023: $695.9M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q4 2022.

Institutions holding TSEOQ in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Schubert & Co1$210.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co5$1040.00%+5New
NewSquare Capital LLC10$2090.00%+10New
Harbour Investments, Inc.10$2100.00%00.0%Unchanged
Farmers & Merchants Investments Inc24$5000.00%00.0%Unchanged
Gradient Investments LLC25$5270.00%00.0%Unchanged
Farther Finance Advisors, LLC27$5630.00%−16−37.2%Reduced
Moisand Fitzgerald Tamayo, LLC35$7300.00%00.0%Unchanged
Prestige Wealth Management Group LLC42$8760.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC47$9800.00%00.0%Unchanged
Manchester Capital Management LLC53$1.11K0.00%00.0%Unchanged
Red Tortoise LLC70$1.46K0.00%00.0%Unchanged
Parkside Financial Bank & Trust134$2.79K0.00%+5+3.9%Added
Covestor Ltd162$3.00K0.00%−99−37.9%Reduced
IFP Advisors, Inc56$3.10K0.00%−357−86.4%Reduced
Lindbrook Capital, LLC169$3.52K0.00%−265−61.1%Reduced
Householder Group Estate & Retirement Specialist, LLC260$5.00K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.246$5.12K0.00%00.0%Unchanged
GHP Investment Advisors, Inc.251$5.24K0.00%00.0%Unchanged
Founders Capital Management300$6.00K0.00%00.0%Unchanged
Signaturefd, LLC348$7.26K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.349$7.28K0.00%00.0%Unchanged
Belpointe Asset Management LLC390$8.13K0.00%+360+1,200.0%Added
Huntington National Bank400$8.34K0.00%00.0%Unchanged
Versant Capital Management, Inc437$9.07K0.00%+87+24.9%Added
Ellevest, Inc.489$10.2K0.00%−393−44.6%Reduced
Fifth Third Bancorp508$10.6K0.00%−87−14.6%Reduced
Quadrant Capital Group LLC549$11.4K0.00%+70+14.6%Added
Nisa Investment Advisors, LLC625$13.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC709$14.8K0.00%+4+0.6%Added
Ronald Blue Trust, Inc.761$17.0K0.00%+285+59.9%Added
National Bank of Canada1,000$20.8K0.00%+1,000New
Advisory Services Network, LLC1,000$20.9K0.00%−98−8.9%Reduced
Mine & Arao Wealth Creation & Management, LLC.1,000$20.9K0.01%00.0%Unchanged
Umb Bank N A1,050$21.9K0.00%00.0%Unchanged
Nomura Asset Management Co Ltd1,080$22.5K0.00%+590+120.4%Added
Allspring Global Investments Holdings, LLC1,376$28.7K0.00%−193−12.3%Reduced
CWM, LLC1,545$32.0K0.00%+1+0.1%Added
Quarry LP1,649$34.4K0.02%+1,649New
McIlrath & Eck, LLC1,889$39.4K0.01%00.0%Unchanged
Metropolitan Life Insurance Co1,989$41.5K0.00%−339−14.6%Reduced
Aquatic Capital Management LLC2,100$44.0K0.00%+2,100New
Group One Trading, L.P.2,176$45.4K0.00%+2,176New
Citizens National Bank Trust Department2,200$45.9K0.01%00.0%Unchanged
Royal Bank of Canada2,521$53.0K0.00%−2,237−47.0%Reduced
KBC Group NV2,546$53.0K0.00%−744−22.6%Reduced
Ameritas Investment Partners, Inc.2,712$56.5K0.00%00.0%Unchanged
US Bancorp2,724$56.8K0.00%−33−1.2%Reduced
Walleye Trading LLC3,139$65.4K0.00%+3,139New
EMC Capital Management3,146$66.0K0.06%00.0%Unchanged
The PNC Financial Services Group, Inc.3,246$67.7K0.00%+970+42.6%Added
Tower Research Capital LLC (TRC)3,646$76.0K0.00%+2,534+227.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)4,287$89.4K0.00%00.0%Unchanged
Point72 Middle East FZE4,515$94.1K0.01%+3,089+216.6%Added
Salem Investment Counselors Inc5,000$104.3K0.00%00.0%Unchanged
Dark Forest Capital Management LP5,408$112.8K0.03%+5,408New
Advisor Group Holdings, Inc.5,449$113.7K0.00%−560−9.3%Reduced
Public Employees Retirement Association of Colorado5,856$122.0K0.00%00.0%Unchanged
Amundi8,032$164.0K0.00%+5,406+205.9%Added
Counterpoint Mutual Funds LLC9,307$194.1K0.17%+9,307New
Teachers Retirement System of the State of Kentucky11,231$234.0K0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund11,285$235.3K0.00%−313−2.7%Reduced
Two Sigma Securities, LLC11,414$238.0K0.02%−5,206−31.3%Reduced
Victory Capital Management Inc11,542$240.7K0.00%−288,877−96.2%Reduced
Commonwealth Equity Services, LLC11,778$245.0K0.00%+106+0.9%Added
State of Tennessee, Treasury Department11,884$247.8K0.00%−3,410−22.3%Reduced
Mitsubishi UFJ Trust & Banking Corp11,967$249.5K0.00%+1,581+15.2%Added
Virtu Financial LLC11,994$250.0K0.03%+11,994New
Algert Global LLC12,690$264.6K0.01%+12,690New
State Board of Administration of Florida Retirement System12,826$267.4K0.00%00.0%Unchanged
Janus Henderson Group PLC12,897$268.7K0.00%+12,897New
CWM Advisors, LLC13,064$272.4K0.03%+2,590+24.7%Added
StoneX Group Inc.13,222$275.7K0.03%+703+5.6%Added
Voya Investment Management LLC13,450$280.4K0.00%−196−1.4%Reduced
Manufacturers Life Insurance Company, The13,535$282.2K0.00%−340−2.5%Reduced
American Century Companies Inc14,089$293.8K0.00%−7,752−35.5%Reduced
Maryland State Retirement & Pension System14,302$298.2K0.01%00.0%Unchanged
Amalgamated Bank14,798$309.0K0.00%−1,257−7.8%Reduced
Gsa Capital Partners LLP15,942$332.0K0.03%−1,058−6.2%Reduced
Kiwi Wealth Investments Limited Partnership16,017$334.0K0.02%+16,017New
Mirae Asset Global Investments Co., Ltd.16,171$337.2K0.00%00.0%Unchanged
Louisiana State Employees Retirement System16,300$339.9K0.01%−300−1.8%Reduced
Citigroup Inc16,346$340.8K0.00%−7,967−32.8%Reduced
Fox Run Management, L.L.C.16,627$346.7K0.11%+16,627New
SEI Investments Co16,732$348.9K0.00%+1,000+6.4%Added
New York State Teachers Retirement System16,732$349.0K0.00%−100−0.6%Reduced
Raymond James & Associates17,864$372.5K0.00%−5,575−23.8%Reduced
NorthCrest Asset Manangement, LLC18,520$386.1K0.02%00.0%Unchanged
New York State Common Retirement Fund19,026$396.7K0.00%−30,651−61.7%Reduced
MetLife Investment Management19,077$397.8K0.00%00.0%Unchanged
American International Group, Inc.19,100$398.2K0.00%+86+0.5%Added
Price T Rowe Associates Inc19,286$403.0K0.00%+421+2.2%Added
Quantbot Technologies LP19,782$412.5K0.03%+19,782New
Yousif Capital Management, LLC19,825$413.4K0.01%−2,570−11.5%Reduced
Jump Financial, LLC20,563$428.7K0.02%+20,563New
Boulder Hill Capital Management LP21,000$437.9K0.35%+21,000New
State of Alaska, Department of Revenue23,949$499.0K0.01%−404−1.7%Reduced
Schonfeld Strategic Advisors LLC24,000$500.4K0.00%−27,800−53.7%Reduced
Barclays PLC26,402$550.5K0.00%+2,682+11.3%Added
Wells Fargo & Company27,567$574.8K0.00%+10,438+60.9%Added