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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
M&G Investment Management Ltd7,625,044$61.0M0.45%00.0%Unchanged
BlackRock Inc.2,636,554$21.5M0.00%−3,151,679−54.4%Reduced
Fuller & Thaler Asset Management, Inc.1,568,258$12.8M0.07%−24,703−1.6%Reduced
Millennium Management LLC1,309,156$10.7M0.01%+1,286,022+5,559.0%Added
Charles Schwab Investment Management Inc1,203,567$9.83M0.00%+210,857+21.2%Added
Hotchkis & Wiley Capital Management LLC1,120,040$9.15M0.03%+380,720+51.5%Added
Deprince Race & Zollo Inc1,013,470$8.28M0.20%+326,439+47.5%Added
Vanguard Group Inc932,484$7.62M0.00%−681,357−42.2%Reduced
State Street Corp819,960$6.70M0.00%−557,674−40.5%Reduced
Geode Capital Management, LLC716,819$5.86M0.00%+24,213+3.5%Added
Jacobs Levy Equity Management, Inc682,559$5.58M0.03%+70,501+11.5%Added
Dimensional Fund Advisors LP645,286$5.27M0.00%−536,293−45.4%Reduced
Citadel Advisors LLC624,739$5.10M0.01%−38,542−5.8%Reduced
Russell Investments Group, Ltd.541,582$4.42M0.01%+243,941+82.0%Added
Bridgeway Capital Management, LLC431,600$3.53M0.09%+121,600+39.2%Added
D. E. Shaw & Co., Inc.374,139$3.06M0.01%+194,868+108.7%Added
Cubist Systematic Strategies, LLC354,647$2.90M0.04%+354,647New
Northern Trust Corp344,702$2.82M0.00%−28,123−7.5%Reduced
AQR Capital Management LLC344,154$2.81M0.01%+278,005+420.3%Added
Marshall Wace, LLP318,801$2.60M0.01%+318,801New
Bank of America Corp300,796$2.46M0.00%+107,345+55.5%Added
Qube Research & Technologies Ltd294,871$2.41M0.01%+294,871New
Renaissance Technologies LLC288,800$2.36M0.00%+68,100+30.9%Added
Susquehanna International Group, LLP251,514$2.05M0.00%+240,462+2,175.7%Added
HRT Financial LP243,246$1.99M0.02%+226,917+1,389.7%Added
Ameriprise Financial Inc240,653$1.97M0.00%−26,090−9.8%Reduced
Icon Advisers Inc240,000$1.96M0.49%+137,000+133.0%Added
Morgan Stanley237,690$1.94M0.00%−9,260−3.7%Reduced
Walleye Capital LLC228,655$1.87M0.03%+228,655New
Nuveen Asset Management, LLC199,479$1.63M0.00%+54,289+37.4%Added
Squarepoint Ops LLC197,593$1.61M0.01%+122,704+163.8%Added
Goldman Sachs Group Inc196,599$1.61M0.00%+48,810+33.0%Added
Jane Street Group, LLC175,197$1.43M0.00%+129,374+282.3%Added
Bank of New York Mellon Corp164,594$1.34M0.00%−201,117−55.0%Reduced
JPMorgan Chase & Co163,156$1.33M0.00%+74,506+84.0%Added
Verition Fund Management LLC131,012$1.07M0.01%+131,012New
JB Capital Partners LP127,001$1.04M0.26%00.0%Unchanged
Tudor Investment Corp Et Al96,382$787.4K0.01%+4,334+4.7%Added
Algert Global LLC94,790$774.4K0.04%−150,150−61.3%Reduced
Cornercap Investment Counsel Inc91,080$744.1K0.14%+91,080New
Two Sigma Investments, LP82,470$673.8K0.00%+66,470+415.4%Added
Graham Capital Management, L.P.81,859$668.8K0.02%+81,859New
Arrowstreet Capital, Limited Partnership76,097$622.0K0.00%+76,097New
Man Group plc–$615.8K0.00%––
Eisler Capital (US) LLC75,000$612.8K0.23%+75,000New
Trexquant Investment LP71,336$582.8K0.01%+71,336New
Public Employees Retirement System of Ohio67,199$549.0K0.00%+37,379+125.3%Added
Public Sector Pension Investment Board62,385$509.7K0.00%00.0%Unchanged
Swiss National Bank61,800$504.9K0.00%+1,400+2.3%Added
Walleye Trading LLC61,151$499.6K0.01%+53,005+650.7%Added
UBS Group AG57,369$468.7K0.00%+23,686+70.3%Added
XTX Topco Ltd56,927$465.1K0.08%+35,752+168.8%Added
Rhumbline Advisers55,981$457.4K0.00%−55,847−49.9%Reduced
PDT Partners, LLC55,924$456.9K0.06%+32,254+136.3%Added
Engineers Gate Manager LP52,173$426.3K0.02%+52,173New
Invesco Ltd.51,037$417.0K0.00%−444,010−89.7%Reduced
Credit Suisse AG44,139$360.6K0.00%−1,052−2.3%Reduced
SEI Investments Co42,972$351.1K0.00%+13,110+43.9%Added
Dark Forest Capital Management LP42,231$345.0K0.03%+26,795+173.6%Added
Allianz Asset Management GmbH38,355$313.4K0.00%−15,596−28.9%Reduced
Alliancebernstein L.P.37,680$307.8K0.00%−7,105−15.9%Reduced
ING Groep NV33,595$274.5K0.00%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.33,539$274.0K0.00%+33,539New
Point72 Asset Management, L.P.32,577$266.2K0.00%+32,577New
California State Teachers Retirement System32,536$265.8K0.00%−3,724−10.3%Reduced
Barclays PLC32,501$265.5K0.00%+8,497+35.4%Added
Price T Rowe Associates Inc30,328$248.0K0.00%+10,684+54.4%Added
StoneX Group Inc.29,891$244.2K0.03%−2,312−7.2%Reduced
Legal & General Group Plc29,013$237.0K0.00%−67,500−69.9%Reduced
American Century Companies Inc28,945$236.5K0.00%+5,974+26.0%Added
UBS Asset Management Americas Inc28,349$231.6K0.00%+133+0.5%Added
Concentric Capital Strategies, LP27,672$226.1K0.03%+27,672New
Aventail Capital Group, LP27,108$221.5K0.02%+27,108New
Quadrature Capital Ltd26,505$216.3K0.00%−7,844−22.8%Reduced
Jump Financial, LLC24,463$199.9K0.01%−35,630−59.3%Reduced
Dynamic Technology Lab Private Ltd22,112$181.0K0.02%−3,273−12.9%Reduced
MetLife Investment Management19,077$155.9K0.00%00.0%Unchanged
Boothbay Fund Management, LLC18,692$152.7K0.01%+8,261+79.2%Added
NorthCrest Asset Manangement, LLC18,520$151.3K0.01%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd17,578$143.6K0.01%+5,570+46.4%Added
American International Group, Inc.17,471$142.7K0.00%−1,333−7.1%Reduced
Nebula Research & Development LLC17,387$142.1K0.07%+17,387New
Point72 Middle East FZE17,301$141.3K0.01%+17,301New
Two Sigma Advisers, LP17,200$140.5K0.00%+17,200New
Raymond James & Associates17,194$140.5K0.00%−3,233−15.8%Reduced
Versor Investments LP17,187$140.4K0.03%+17,187New
LSV Asset Management16,457$134.0K0.00%−148,727−90.0%Reduced
Deutsche Bank AG16,363$133.7K0.00%−2,137−11.6%Reduced
Mirae Asset Global Investments Co., Ltd.16,171$132.1K0.00%00.0%Unchanged
HSBC Holdings PLC14,474$119.0K0.00%+14,474New
Balyasny Asset Management LLC14,492$118.4K0.00%+14,492New
Laurion Capital Management LP14,401$117.7K0.00%+14,401New
Wells Fargo & Company14,323$117.0K0.00%−10,706−42.8%Reduced
Voya Investment Management LLC14,233$116.3K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The14,230$116.3K0.00%+60.0%Added
Schonfeld Strategic Advisors LLC13,847$113.1K0.00%+13,847New
Thrivent Financial for Lutherans13,347$109.0K0.00%−36,995−73.5%Reduced
State of Wisconsin Investment Board13,220$108.0K0.00%−26,891−67.0%Reduced
Janus Henderson Group PLC12,877$105.1K0.00%00.0%Unchanged
Boulder Hill Capital Management LP11,400$93.1K0.06%+11,400New