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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 2024

Institutional positions in Trinseo PLC as of Mar 31, 2024. 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
109
−18 vs. Q4 2023
Shares held
27.4M
+5.91M (+27.5%) vs. Q4 2023
Total value
$105.3M
−$74.9M (−41.6%) vs. Q4 2023
New holders
15
34 more added
Sold out
33
49 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 109 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 2024: $105.3M
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 2024

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q4 2023.

Institutions holding TSEOQ in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
M&G Plc7,625,044$30.5M0.18%+7,625,044New
BlackRock Inc.2,583,772$9.77M0.00%−54,392−2.1%Reduced
Charles Schwab Investment Management Inc2,211,783$8.36M0.00%+575,715+35.2%Added
Goldman Sachs Group Inc1,578,295$5.97M0.00%+1,380,831+699.3%Added
Fuller & Thaler Asset Management, Inc.1,516,292$5.73M0.03%+19,155+1.3%Added
Vanguard Group Inc1,115,487$4.22M0.00%+93,050+9.1%Added
Millennium Management LLC793,760$3.00M0.00%−81,797−9.3%Reduced
Jacobs Levy Equity Management, Inc782,611$2.96M0.01%−121,117−13.4%Reduced
State Street Corp772,160$2.92M0.00%−16,407−2.1%Reduced
Geode Capital Management, LLC760,330$2.87M0.00%+10,508+1.4%Added
AQR Capital Management LLC484,073$1.83M0.00%+26,699+5.8%Added
D. E. Shaw & Co., Inc.453,389$1.71M0.00%+77,452+20.6%Added
Morgan Stanley366,239$1.38M0.00%−187,323−33.8%Reduced
Invesco Ltd.350,670$1.33M0.00%+297,366+557.9%Added
Moore Capital Management, LP314,231$1.19M0.02%+314,231New
Northern Trust Corp308,137$1.16M0.00%+2,122+0.7%Added
JPMorgan Chase & Co306,043$1.16M0.00%+192,113+168.6%Added
Walleye Capital LLC304,064$1.15M0.01%−46,660−13.3%Reduced
Bridgeway Capital Management, LLC286,400$1.08M0.02%00.0%Unchanged
Qube Research & Technologies Ltd270,422$1.02M0.00%−37,338−12.1%Reduced
Man Group plc259,454$980.7K0.00%+190,164+274.4%Added
Prudential Financial Inc251,471$950.6K0.00%+214,700+583.9%Added
Bank of America Corp231,973$876.9K0.00%−19,348−7.7%Reduced
Two Sigma Investments, LP229,843$868.8K0.00%−8,646−3.6%Reduced
Renaissance Technologies LLC205,600$777.0K0.00%+113,400+123.0%Added
Dimensional Fund Advisors LP184,775$698.4K0.00%−186,252−50.2%Reduced
Trexquant Investment LP179,490$678.5K0.01%+88,028+96.2%Added
Thrivent Financial for Lutherans173,074$654.0K0.00%+94,698+120.8%Added
Thomist Capital Management, LP165,715$626.4K0.26%−50,115−23.2%Reduced
Bank of New York Mellon Corp145,050$548.3K0.00%−5,822−3.9%Reduced
Tudor Investment Corp Et Al123,056$465.2K0.01%+22,560+22.4%Added
Susquehanna Portfolio Strategies, LLC121,994$461.1K0.01%00.0%Unchanged
Ameriprise Financial Inc120,063$453.8K0.00%−236,047−66.3%Reduced
Two Sigma Advisers, LP117,900$445.7K0.00%+17,200+17.1%Added
Nuveen Asset Management, LLC106,266$401.7K0.00%00.0%Unchanged
Susquehanna International Group, LLP104,414$394.7K0.00%+10,228+10.9%Added
Russell Investments Group, Ltd.98,931$374.0K0.00%−308,591−75.7%Reduced
Los Angeles Capital Management LLC87,188$329.6K0.00%+87,188New
FMR LLC84,377$318.9K0.00%+48,458+134.9%Added
PDT Partners, LLC82,850$313.2K0.03%−5,781−6.5%Reduced
Acadian Asset Management LLC82,408$310.0K0.00%−14,977−15.4%Reduced
Squarepoint Ops LLC65,518$247.7K0.00%−287,560−81.4%Reduced
Public Employees Retirement System of Ohio63,243$239.1K0.00%−5,668−8.2%Reduced
Dynamic Technology Lab Private Ltd61,681$233.0K0.02%−37,140−37.6%Reduced
XTX Topco Ltd56,283$212.8K0.03%+44,390+373.2%Added
Rhumbline Advisers54,873$207.4K0.00%−70.0%Reduced
Concentric Capital Strategies, LP53,053$200.5K0.01%−30,924−36.8%Reduced
Barclays PLC46,197$174.6K0.00%−23,628−33.8%Reduced
Quadrature Capital Ltd41,552$157.3K0.00%+10,608+34.3%Added
UBS Group AG38,799$146.7K0.00%−465−1.2%Reduced
Graham Capital Management, L.P.35,465$134.1K0.00%+8,854+33.3%Added
Price T Rowe Associates Inc34,906$132.0K0.00%+10,036+40.4%Added
Kohmann Bosshard Financial Services, LLC34,210$129.3K0.02%00.0%Unchanged
Jane Street Group, LLC34,144$129.1K0.00%−68,667−66.8%Reduced
Alliancebernstein L.P.32,530$123.0K0.00%−4,550−12.3%Reduced
Mariner, LLC30,331$114.7K0.00%−83,232−73.3%Reduced
JB Capital Partners LP27,001$101.8K0.02%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.24,560$92.8K0.00%+1,953+8.6%Added
Cubist Systematic Strategies, LLC23,060$87.2K0.00%−111,173−82.8%Reduced
Catalyst Funds Management Pty Ltd20,800$78.6K0.02%+20,800New
Verition Fund Management LLC19,813$74.9K0.00%+19,813New
Citadel Advisors LLC19,494$73.7K0.00%−514,209−96.3%Reduced
NorthCrest Asset Manangement, LLC18,300$69.2K0.00%−220−1.2%Reduced
MetLife Investment Management18,073$68.3K0.00%−1,004−5.3%Reduced
Wells Fargo & Company18,065$68.3K0.00%+1,324+7.9%Added
Raymond James & Associates17,606$66.6K0.00%+373+2.2%Added
American International Group, Inc.17,252$65.2K0.00%−148−0.9%Reduced
Deutsche Bank AG17,164$64.9K0.00%+1,284+8.1%Added
Sherbrooke Park Advisers LLC16,663$63.0K0.01%+16,663New
Manufacturers Life Insurance Company, The14,270$53.9K0.00%+40+0.3%Added
StoneX Group Inc.13,683$51.7K0.00%−2,073−13.2%Reduced
Voya Investment Management LLC12,514$47.3K0.00%−2,253−15.3%Reduced
Centiva Capital, LP11,732$44.3K0.00%+11,732New
American Century Companies Inc10,808$40.9K0.00%−20,007−64.9%Reduced
New York State Common Retirement Fund9,679$36.6K0.00%+366+3.9%Added
Point72 Asia (Singapore) Pte. Ltd.8,948$33.8K0.01%+6,247+231.3%Added
Walleye Trading LLC8,327$31.5K0.00%+2,117+34.1%Added
Citigroup Inc6,782$25.6K0.00%+1,681+33.0%Added
Tower Research Capital LLC (TRC)5,176$19.6K0.00%−1,921−27.1%Reduced
Group One Trading, L.P.3,633$13.7K0.00%+3,633New
California State Teachers Retirement System3,520$13.3K0.00%−2,242−38.9%Reduced
Ameritas Investment Partners, Inc.3,452$13.0K0.00%00.0%Unchanged
Legal & General Group Plc3,026$11.4K0.00%−1,349−30.8%Reduced
McIlrath & Eck, LLC1,889$7.14K0.00%+732+63.3%Added
Fortitude Family Office, LLC1,708$6.46K0.00%+1,708New
GAMMA Investing LLC1,470$5.56K0.00%−3,368−69.6%Reduced
Royal Bank of Canada1,425$5.00K0.00%−9,801−87.3%Reduced
Amalgamated Bank1,198$5.00K0.00%−1,873−61.0%Reduced
Steward Partners Investment Advisory, LLC1,000$3.78K0.00%00.0%Unchanged
Mine & Arao Wealth Creation & Management, LLC.1,000$3.78K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC630$2.38K0.00%−14−2.2%Reduced
Metropolitan Life Insurance Co521$1.97K0.00%−1,468−73.8%Reduced
Quarry LP518$1.96K0.00%−1,863−78.2%Reduced
CIBC Private Wealth Group, LLC500$1.91K0.00%+500New
State of Tennessee, Treasury Department459$1.74K0.00%−1,312−74.1%Reduced
Umb Bank N A250$9450.00%−300−54.5%Reduced
Founders Capital Management200$7560.00%00.0%Unchanged
Ronald Blue Trust, Inc.180$6810.00%+25+16.1%Added
SOA Wealth Advisors, LLC.88$3330.00%00.0%Unchanged
Advisor Group Holdings, Inc.70$2640.00%−2,291−97.0%Reduced