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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 2023

Institutional positions in Trinseo PLC as of Sep 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
146
+1 vs. Q2 2023
Shares held
29.7M
−3.21M (−9.8%) vs. Q2 2023
Total value
$241.9M
−$176.9M (−42.2%) vs. Q2 2023
New holders
32
44 more added
Sold out
31
48 more reduced

Compare with Q2 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 holdersQ3 2023: 146 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 2023: $241.9M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q2 2023.

Institutions holding TSEOQ in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd5$00.00%−1−16.7%Reduced
Farther Finance Advisors, LLC21$1720.00%00.0%Unchanged
Allworth Financial LP22$1800.00%+22New
Barrow Hanley Mewhinney & Strauss LLC47$3840.00%00.0%Unchanged
The PNC Financial Services Group, Inc.60$4900.00%−188−75.8%Reduced
Signaturefd, LLC70$5720.00%+70New
Ronald Blue Trust, Inc.65$1.00K0.00%−130−66.7%Reduced
Versant Capital Management, Inc185$1.51K0.00%00.0%Unchanged
GHP Investment Advisors, Inc.251$1.67K0.00%00.0%Unchanged
Bessemer Group Inc299$2.00K0.00%+299New
Fifth Third Bancorp245$2.00K0.00%+124+102.5%Added
SOA Wealth Advisors, LLC.246$2.01K0.00%00.0%Unchanged
Quadrant Capital Group LLC296$2.42K0.00%+125+73.1%Added
Founders Capital Management300$2.45K0.00%00.0%Unchanged
Umb Bank N A550$4.49K0.00%−500−47.6%Reduced
Nisa Investment Advisors, LLC600$4.90K0.00%−1,735−74.3%Reduced
Allspring Global Investments Holdings, LLC630$5.15K0.00%−1,457−69.8%Reduced
Steward Partners Investment Advisory, LLC700$5.72K0.00%00.0%Unchanged
US Bancorp819$6.69K0.00%+619+309.5%Added
Tower Research Capital LLC (TRC)873$7.13K0.00%−1,826−67.7%Reduced
Mine & Arao Wealth Creation & Management, LLC.1,000$8.17K0.00%00.0%Unchanged
Nomura Asset Management Co Ltd1,080$8.82K0.00%00.0%Unchanged
Citizens National Bank Trust Department1,500$12.3K0.00%−700−31.8%Reduced
FMR LLC1,803$14.7K0.00%−4,326−70.6%Reduced
McIlrath & Eck, LLC1,889$15.4K0.00%00.0%Unchanged
KBC Group NV2,003$16.0K0.00%−543−21.3%Reduced
Metropolitan Life Insurance Co1,989$16.3K0.00%00.0%Unchanged
Amundi2,626$17.4K0.00%−5,212−66.5%Reduced
Citigroup Inc2,297$18.8K0.00%−28,580−92.6%Reduced
National Bank of Canada2,300$19.0K0.00%+1,000+76.9%Added
Advisor Group Holdings, Inc.2,831$23.1K0.00%−967−25.5%Reduced
EMC Capital Management3,146$26.0K0.02%−19,708−86.2%Reduced
Amalgamated Bank3,427$28.0K0.00%−10,677−75.7%Reduced
Ameritas Investment Partners, Inc.3,452$28.2K0.00%+740+27.3%Added
Public Employees Retirement Association of Colorado5,856$48.0K0.00%00.0%Unchanged
Lazard Asset Management LLC5,919$48.0K0.00%+5,919New
Zurcher Kantonalbank (Zurich Cantonalbank)6,131$50.1K0.00%+1,844+43.0%Added
Royal Bank of Canada6,378$52.0K0.00%−7,859−55.2%Reduced
Quarry LP7,788$63.6K0.04%+4,050+108.3%Added
State of Wyoming8,337$68.1K0.01%+8,337New
Teachers Retirement System of the State of Kentucky8,444$69.0K0.00%−3,400−28.7%Reduced
Acadian Asset Management LLC8,551$69.0K0.00%+8,551New
State of Tennessee, Treasury Department8,983$73.4K0.00%−2,901−24.4%Reduced
New York State Common Retirement Fund9,210$75.2K0.00%−1,692−15.5%Reduced
ExodusPoint Capital Management, LP10,620$87.0K0.00%+10,620New
CTC Alternative Strategies, Ltd.11,200$91.5K0.17%+11,200New
Boulder Hill Capital Management LP11,400$93.1K0.06%+11,400New
Janus Henderson Group PLC12,877$105.1K0.00%00.0%Unchanged
State of Wisconsin Investment Board13,220$108.0K0.00%−26,891−67.0%Reduced
Thrivent Financial for Lutherans13,347$109.0K0.00%−36,995−73.5%Reduced
Schonfeld Strategic Advisors LLC13,847$113.1K0.00%+13,847New
Manufacturers Life Insurance Company, The14,230$116.3K0.00%+60.0%Added
Voya Investment Management LLC14,233$116.3K0.00%00.0%Unchanged
Wells Fargo & Company14,323$117.0K0.00%−10,706−42.8%Reduced
Laurion Capital Management LP14,401$117.7K0.00%+14,401New
Balyasny Asset Management LLC14,492$118.4K0.00%+14,492New
HSBC Holdings PLC14,474$119.0K0.00%+14,474New
Mirae Asset Global Investments Co., Ltd.16,171$132.1K0.00%00.0%Unchanged
Deutsche Bank AG16,363$133.7K0.00%−2,137−11.6%Reduced
LSV Asset Management16,457$134.0K0.00%−148,727−90.0%Reduced
Versor Investments LP17,187$140.4K0.03%+17,187New
Raymond James & Associates17,194$140.5K0.00%−3,233−15.8%Reduced
Two Sigma Advisers, LP17,200$140.5K0.00%+17,200New
Point72 Middle East FZE17,301$141.3K0.01%+17,301New
Nebula Research & Development LLC17,387$142.1K0.07%+17,387New
American International Group, Inc.17,471$142.7K0.00%−1,333−7.1%Reduced
Y-Intercept (Hong Kong) Ltd17,578$143.6K0.01%+5,570+46.4%Added
NorthCrest Asset Manangement, LLC18,520$151.3K0.01%00.0%Unchanged
Boothbay Fund Management, LLC18,692$152.7K0.01%+8,261+79.2%Added
MetLife Investment Management19,077$155.9K0.00%00.0%Unchanged
Dynamic Technology Lab Private Ltd22,112$181.0K0.02%−3,273−12.9%Reduced
Jump Financial, LLC24,463$199.9K0.01%−35,630−59.3%Reduced
Quadrature Capital Ltd26,505$216.3K0.00%−7,844−22.8%Reduced
Aventail Capital Group, LP27,108$221.5K0.02%+27,108New
Concentric Capital Strategies, LP27,672$226.1K0.03%+27,672New
UBS Asset Management Americas Inc28,349$231.6K0.00%+133+0.5%Added
American Century Companies Inc28,945$236.5K0.00%+5,974+26.0%Added
Legal & General Group Plc29,013$237.0K0.00%−67,500−69.9%Reduced
StoneX Group Inc.29,891$244.2K0.03%−2,312−7.2%Reduced
Price T Rowe Associates Inc30,328$248.0K0.00%+10,684+54.4%Added
Barclays PLC32,501$265.5K0.00%+8,497+35.4%Added
California State Teachers Retirement System32,536$265.8K0.00%−3,724−10.3%Reduced
Point72 Asset Management, L.P.32,577$266.2K0.00%+32,577New
Connor, Clark & Lunn Investment Management Ltd.33,539$274.0K0.00%+33,539New
ING Groep NV33,595$274.5K0.00%00.0%Unchanged
Alliancebernstein L.P.37,680$307.8K0.00%−7,105−15.9%Reduced
Allianz Asset Management GmbH38,355$313.4K0.00%−15,596−28.9%Reduced
Dark Forest Capital Management LP42,231$345.0K0.03%+26,795+173.6%Added
SEI Investments Co42,972$351.1K0.00%+13,110+43.9%Added
Credit Suisse AG44,139$360.6K0.00%−1,052−2.3%Reduced
Invesco Ltd.51,037$417.0K0.00%−444,010−89.7%Reduced
Engineers Gate Manager LP52,173$426.3K0.02%+52,173New
PDT Partners, LLC55,924$456.9K0.06%+32,254+136.3%Added
Rhumbline Advisers55,981$457.4K0.00%−55,847−49.9%Reduced
XTX Topco Ltd56,927$465.1K0.08%+35,752+168.8%Added
UBS Group AG57,369$468.7K0.00%+23,686+70.3%Added
Walleye Trading LLC61,151$499.6K0.01%+53,005+650.7%Added
Swiss National Bank61,800$504.9K0.00%+1,400+2.3%Added
Public Sector Pension Investment Board62,385$509.7K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio67,199$549.0K0.00%+37,379+125.3%Added