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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
Trexquant Investment LP71,336$582.8K0.01%+71,336New
Eisler Capital (US) LLC75,000$612.8K0.23%+75,000New
Man Group plc–$615.8K0.00%––
Arrowstreet Capital, Limited Partnership76,097$622.0K0.00%+76,097New
Graham Capital Management, L.P.81,859$668.8K0.02%+81,859New
Two Sigma Investments, LP82,470$673.8K0.00%+66,470+415.4%Added
Cornercap Investment Counsel Inc91,080$744.1K0.14%+91,080New
Algert Global LLC94,790$774.4K0.04%−150,150−61.3%Reduced
Tudor Investment Corp Et Al96,382$787.4K0.01%+4,334+4.7%Added
JB Capital Partners LP127,001$1.04M0.26%00.0%Unchanged
Verition Fund Management LLC131,012$1.07M0.01%+131,012New
JPMorgan Chase & Co163,156$1.33M0.00%+74,506+84.0%Added
Bank of New York Mellon Corp164,594$1.34M0.00%−201,117−55.0%Reduced
Jane Street Group, LLC175,197$1.43M0.00%+129,374+282.3%Added
Goldman Sachs Group Inc196,599$1.61M0.00%+48,810+33.0%Added
Squarepoint Ops LLC197,593$1.61M0.01%+122,704+163.8%Added
Nuveen Asset Management, LLC199,479$1.63M0.00%+54,289+37.4%Added
Walleye Capital LLC228,655$1.87M0.03%+228,655New
Morgan Stanley237,690$1.94M0.00%−9,260−3.7%Reduced
Icon Advisers Inc240,000$1.96M0.49%+137,000+133.0%Added
Ameriprise Financial Inc240,653$1.97M0.00%−26,090−9.8%Reduced
HRT Financial LP243,246$1.99M0.02%+226,917+1,389.7%Added
Susquehanna International Group, LLP251,514$2.05M0.00%+240,462+2,175.7%Added
Renaissance Technologies LLC288,800$2.36M0.00%+68,100+30.9%Added
Qube Research & Technologies Ltd294,871$2.41M0.01%+294,871New
Bank of America Corp300,796$2.46M0.00%+107,345+55.5%Added
Marshall Wace, LLP318,801$2.60M0.01%+318,801New
AQR Capital Management LLC344,154$2.81M0.01%+278,005+420.3%Added
Northern Trust Corp344,702$2.82M0.00%−28,123−7.5%Reduced
Cubist Systematic Strategies, LLC354,647$2.90M0.04%+354,647New
D. E. Shaw & Co., Inc.374,139$3.06M0.01%+194,868+108.7%Added
Bridgeway Capital Management, LLC431,600$3.53M0.09%+121,600+39.2%Added
Russell Investments Group, Ltd.541,582$4.42M0.01%+243,941+82.0%Added
Citadel Advisors LLC624,739$5.10M0.01%−38,542−5.8%Reduced
Dimensional Fund Advisors LP645,286$5.27M0.00%−536,293−45.4%Reduced
Jacobs Levy Equity Management, Inc682,559$5.58M0.03%+70,501+11.5%Added
Geode Capital Management, LLC716,819$5.86M0.00%+24,213+3.5%Added
State Street Corp819,960$6.70M0.00%−557,674−40.5%Reduced
Vanguard Group Inc932,484$7.62M0.00%−681,357−42.2%Reduced
Deprince Race & Zollo Inc1,013,470$8.28M0.20%+326,439+47.5%Added
Hotchkis & Wiley Capital Management LLC1,120,040$9.15M0.03%+380,720+51.5%Added
Charles Schwab Investment Management Inc1,203,567$9.83M0.00%+210,857+21.2%Added
Millennium Management LLC1,309,156$10.7M0.01%+1,286,022+5,559.0%Added
Fuller & Thaler Asset Management, Inc.1,568,258$12.8M0.07%−24,703−1.6%Reduced
BlackRock Inc.2,636,554$21.5M0.00%−3,151,679−54.4%Reduced
M&G Investment Management Ltd7,625,044$61.0M0.45%00.0%Unchanged
Fisher Asset Management, LLC0$00.00%−1,374,052−100.0%Sold out
Towle & Co0$00.00%−1,185,664−100.0%Sold out
Norges Bank0$00.00%−281,876−100.0%Sold out
Principal Financial Group Inc0$00.00%−199,637−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−130,599−100.0%Sold out
Kiwi Wealth Investments Limited Partnership0$00.00%−83,100−100.0%Sold out
Mutual Advisors, LLC0$00.00%−67,750−100.0%Sold out
Commonwealth of Pennsylvania Public School Empls Retrmt Sys0$00.00%−39,728−100.0%Sold out
Texas Permanent School Fund0$00.00%−30,696−100.0%Sold out
CWM Advisors, LLC0$00.00%−24,765−100.0%Sold out
State of Alaska, Department of Revenue0$00.00%−23,107−100.0%Sold out
Virtu Financial LLC0$00.00%−20,640−100.0%Sold out
Yousif Capital Management, LLC0$00.00%−18,953−100.0%Sold out
Louisiana State Employees Retirement System0$00.00%−18,400−100.0%Sold out
New York State Teachers Retirement System0$00.00%−16,332−100.0%Sold out
Group One Trading, L.P.0$00.00%−14,921−100.0%Sold out
Advisory Services Network, LLC0$00.00%−14,350−100.0%Sold out
Maryland State Retirement & Pension System0$00.00%−13,693−100.0%Sold out
Oregon Public Employees Retirement Fund0$00.00%−10,985−100.0%Sold out
Counterpoint Mutual Funds LLC0$00.00%−6,623−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−636−100.0%Sold out
CWM, LLC0$00.00%−372−100.0%Sold out
EverSource Wealth Advisors, LLC0$00.00%−222−100.0%Sold out
Baker Avenue Asset Management, LP0$00.00%−36−100.0%Sold out
Moisand Fitzgerald Tamayo, LLC0$00.00%−35−100.0%Sold out
Huntington National Bank0$00.00%−33−100.0%Sold out
Massmutual Trust Co FSB0$00.00%−24−100.0%Sold out
Farmers & Merchants Investments Inc0$00.00%−24−100.0%Sold out
Harbour Investments, Inc.0$00.00%−10−100.0%Sold out
NewSquare Capital LLC0$00.00%−10−100.0%Sold out
IFP Advisors, Inc0$00.00%−50−100.0%Sold out