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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
M&G Investment Management Ltd7,625,044$160.1M1.13%00.0%Unchanged
BlackRock Inc.5,809,357$121.1M0.00%−2,5210.0%Reduced
Fuller & Thaler Asset Management, Inc.1,595,695$33.3M0.19%−845−0.1%Reduced
Vanguard Group Inc1,566,313$32.7M0.00%+17,050+1.1%Added
State Street Corp1,412,768$29.5M0.00%−3770.0%Reduced
Fisher Asset Management, LLC1,320,908$27.5M0.02%+380,745+40.5%Added
Dimensional Fund Advisors LP1,248,821$26.0M0.01%+333,721+36.5%Added
Towle & Co1,140,634$23.8M3.35%−10,340−0.9%Reduced
Charles Schwab Investment Management Inc818,558$17.1M0.01%+91,424+12.6%Added
Jacobs Levy Equity Management, Inc762,047$15.9M0.10%+57,913+8.2%Added
Geode Capital Management, LLC664,608$13.9M0.00%+16,531+2.6%Added
LSV Asset Management561,843$11.7M0.03%−513,078−47.7%Reduced
Citadel Advisors LLC505,696$10.5M0.01%+221,118+77.7%Added
Morgan Stanley483,413$10.1M0.00%−40,599−7.7%Reduced
FMR LLC460,404$9.60M0.00%+1940.0%Added
Invesco Ltd.442,849$9.23M0.00%+62,546+16.4%Added
Hotchkis & Wiley Capital Management LLC432,630$9.02M0.03%+35,550+9.0%Added
Northern Trust Corp396,630$8.27M0.00%−3,909−1.0%Reduced
Bank of New York Mellon Corp366,208$7.64M0.00%+2,296+0.6%Added
Norges Bank281,876$5.88M0.00%−40,024−12.4%Reduced
Renaissance Technologies LLC267,400$5.58M0.01%−81,200−23.3%Reduced
Goldman Sachs Group Inc266,735$5.56M0.00%+28,696+12.1%Added
Ameriprise Financial Inc263,467$5.49M0.00%+44,793+20.5%Added
Deprince Race & Zollo Inc238,526$4.97M0.12%+238,526New
Principal Financial Group Inc211,104$4.40M0.00%−2,600−1.2%Reduced
Bridgeway Capital Management, LLC203,135$4.24M0.11%−6,365−3.0%Reduced
Nuveen Asset Management, LLC195,613$4.08M0.00%−14,586−6.9%Reduced
Bank of America Corp194,751$4.06M0.00%+3,847+2.0%Added
Voloridge Investment Management, LLC161,350$3.36M0.02%+134,509+501.1%Added
Russell Investments Group, Ltd.154,450$3.22M0.01%+70,290+83.5%Added
Summit Street Capital Management, LLC142,683$2.97M1.58%+64,157+81.7%Added
First Trust Advisors LP142,594$2.97M0.00%−51,438−26.5%Reduced
JB Capital Partners LP127,001$2.65M0.66%00.0%Unchanged
Rhumbline Advisers115,119$2.40M0.00%+6,223+5.7%Added
Two Sigma Investments, LP106,014$2.21M0.01%+73,814+229.2%Added
Point72 Asset Management, L.P.104,400$2.18M0.01%+25,742+32.7%Added
Legal & General Group Plc98,994$2.06M0.00%−1,039−1.0%Reduced
Millennium Management LLC92,148$1.92M0.00%+57,658+167.2%Added
Tudor Investment Corp Et Al91,584$1.91M0.04%−828−0.9%Reduced
Susquehanna International Group, LLP88,062$1.84M0.00%+88,062New
Allianz Asset Management GmbH84,917$1.77M0.00%+3,009+3.7%Added
Engineers Gate Manager LP83,358$1.74M0.07%+83,358New
Cubist Systematic Strategies, LLC74,770$1.56M0.01%+29,052+63.5%Added
AQR Capital Management LLC72,397$1.51M0.00%−110,699−60.5%Reduced
Greenland Capital Management LP70,730$1.47M0.18%+70,730New
Mutual Advisors, LLC67,750$1.41M0.06%+15,000+28.4%Added
JPMorgan Chase & Co66,789$1.39M0.00%−8,732−11.6%Reduced
Squarepoint Ops LLC65,529$1.37M0.01%−46,721−41.6%Reduced
Jane Street Group, LLC63,865$1.33M0.00%+24,314+61.5%Added
Public Sector Pension Investment Board61,511$1.28M0.01%−2,595−4.0%Reduced
Swiss National Bank60,400$1.26M0.00%−7,100−10.5%Reduced
Occudo Quantitative Strategies LP58,027$1.21M0.11%+21,666+59.6%Added
Thrivent Financial for Lutherans52,656$1.10M0.00%−10,499−16.6%Reduced
Credit Suisse AG50,790$1.06M0.00%+1,188+2.4%Added
Alliancebernstein L.P.48,935$1.02M0.00%−5,161−9.5%Reduced
D. E. Shaw & Co., Inc.44,553$928.9K0.00%−90,835−67.1%Reduced
State of Wisconsin Investment Board43,525$907.5K0.00%+6,737+18.3%Added
UBS Group AG40,980$854.4K0.00%−11,321−21.6%Reduced
California State Teachers Retirement System37,587$783.7K0.00%−695−1.8%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys37,031$772.1K0.01%−399−1.1%Reduced
Simplex Trading, LLC36,737$765.0K0.03%+36,737New
ING Groep NV33,595$700.5K0.01%00.0%Unchanged
Public Employees Retirement System of Ohio32,966$687.0K0.00%+6,255+23.4%Added
Texas Permanent School Fund31,156$649.6K0.01%+7,761+33.2%Added
Deutsche Bank AG28,424$592.6K0.00%+6,764+31.2%Added
UBS Asset Management Americas Inc28,216$588.3K0.00%−16,766−37.3%Reduced
Graham Capital Management, L.P.27,691$577.4K0.02%−84,383−75.3%Reduced
Wells Fargo & Company27,567$574.8K0.00%+10,438+60.9%Added
Barclays PLC26,402$550.5K0.00%+2,682+11.3%Added
Schonfeld Strategic Advisors LLC24,000$500.4K0.00%−27,800−53.7%Reduced
State of Alaska, Department of Revenue23,949$499.0K0.01%−404−1.7%Reduced
Boulder Hill Capital Management LP21,000$437.9K0.35%+21,000New
Jump Financial, LLC20,563$428.7K0.02%+20,563New
Yousif Capital Management, LLC19,825$413.4K0.01%−2,570−11.5%Reduced
Quantbot Technologies LP19,782$412.5K0.03%+19,782New
Price T Rowe Associates Inc19,286$403.0K0.00%+421+2.2%Added
American International Group, Inc.19,100$398.2K0.00%+86+0.5%Added
MetLife Investment Management19,077$397.8K0.00%00.0%Unchanged
New York State Common Retirement Fund19,026$396.7K0.00%−30,651−61.7%Reduced
NorthCrest Asset Manangement, LLC18,520$386.1K0.02%00.0%Unchanged
Raymond James & Associates17,864$372.5K0.00%−5,575−23.8%Reduced
New York State Teachers Retirement System16,732$349.0K0.00%−100−0.6%Reduced
SEI Investments Co16,732$348.9K0.00%+1,000+6.4%Added
Fox Run Management, L.L.C.16,627$346.7K0.11%+16,627New
Citigroup Inc16,346$340.8K0.00%−7,967−32.8%Reduced
Louisiana State Employees Retirement System16,300$339.9K0.01%−300−1.8%Reduced
Mirae Asset Global Investments Co., Ltd.16,171$337.2K0.00%00.0%Unchanged
Kiwi Wealth Investments Limited Partnership16,017$334.0K0.02%+16,017New
Gsa Capital Partners LLP15,942$332.0K0.03%−1,058−6.2%Reduced
Amalgamated Bank14,798$309.0K0.00%−1,257−7.8%Reduced
Maryland State Retirement & Pension System14,302$298.2K0.01%00.0%Unchanged
American Century Companies Inc14,089$293.8K0.00%−7,752−35.5%Reduced
Manufacturers Life Insurance Company, The13,535$282.2K0.00%−340−2.5%Reduced
Voya Investment Management LLC13,450$280.4K0.00%−196−1.4%Reduced
StoneX Group Inc.13,222$275.7K0.03%+703+5.6%Added
CWM Advisors, LLC13,064$272.4K0.03%+2,590+24.7%Added
Janus Henderson Group PLC12,897$268.7K0.00%+12,897New
State Board of Administration of Florida Retirement System12,826$267.4K0.00%00.0%Unchanged
Algert Global LLC12,690$264.6K0.01%+12,690New
Virtu Financial LLC11,994$250.0K0.03%+11,994New