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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, Q2 2021

Institutional positions in Trinseo PLC as of Jun 30, 2021. 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
214
+6 vs. Q1 2021
Shares held
36.0M
+496.9K (+1.4%) vs. Q1 2021
Total value
$2.16B
−$108.3M (−4.8%) vs. Q1 2021
New holders
32
80 more added
Sold out
26
67 more reduced

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 holdersQ2 2021: 214 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 heldQ2 2021: $2.16B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q1 2021.

Institutions holding TSEOQ in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
First Horizon Advisors, Inc.1$00.00%00.0%Unchanged
Glassman Wealth Services5$00.00%+5New
Parallel Advisors, LLC18$1.00K0.00%−1,477−98.8%Reduced
Washington Trust Co22$1.00K0.00%00.0%Unchanged
Signaturefd, LLC21$1.00K0.00%+21New
Fieldpoint Private Securities, LLC45$2.00K0.00%00.0%Unchanged
Ellevest, Inc.33$2.00K0.00%00.0%Unchanged
Laurel Wealth Advisors LLC35$2.00K0.00%00.0%Unchanged
Advisory Services Network, LLC27$2.00K0.00%+27New
Tarbox Family Office, Inc.105$6.00K0.00%00.0%Unchanged
Parkside Financial Bank & Trust129$8.00K0.00%+10+8.4%Added
Lindbrook Capital, LLC162$10.0K0.00%00.0%Unchanged
Huntington National Bank192$11.0K0.00%+192New
TCI Wealth Advisors, Inc.196$12.0K0.00%+27+16.0%Added
Financial Management Professionals, Inc.208$12.0K0.00%+208New
Founders Capital Management200$12.0K0.01%+200New
Fifth Third Bancorp240$14.0K0.00%00.0%Unchanged
Quadrant Capital Group LLC228$14.0K0.00%00.0%Unchanged
Sageworth Trust Co230$14.0K0.00%+230New
GPS Wealth Strategies Group, LLC300$18.0K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.454$27.0K0.00%+35+8.4%Added
Exos Asset Management LLC474$28.0K0.01%+474New
Lazard Asset Management LLC622$37.0K0.00%00.0%Unchanged
Versant Capital Management, Inc636$38.0K0.01%−263−29.3%Reduced
Wolff Wiese Magana LLC690$41.0K0.03%00.0%Unchanged
Quantbot Technologies LP782$46.0K0.00%+782New
IFP Advisors, Inc882$53.0K0.00%+1+0.1%Added
Sutton Wealth Advisors Inc.900$53.9K0.02%00.0%Unchanged
USA Financial Portformulas Corp972$58.0K0.05%−1,639−62.8%Reduced
Proequities, Inc.970$58.0K0.00%+461+90.6%Added
Mine & Arao Wealth Creation & Management, LLC.1,000$60.0K0.04%00.0%Unchanged
US Bancorp1,080$64.0K0.00%−12−1.1%Reduced
KBC Group NV1,084$65.0K0.00%00.0%Unchanged
Panagora Asset Management Inc1,100$66.0K0.00%−1,091−49.8%Reduced
O'Shaughnessy Asset Management, LLC1,538$92.0K0.00%−6,322−80.4%Reduced
Globeflex Capital L P1,598$96.0K0.02%00.0%Unchanged
Meeder Asset Management Inc1,803$108.0K0.01%+70+4.0%Added
Barrow Hanley Mewhinney & Strauss LLC2,093$125.0K0.00%−355−14.5%Reduced
FORA Capital, LLC2,266$136.0K0.03%+618+37.5%Added
McIlrath & Eck, LLC2,314$138.0K0.04%+2,314New
Nisa Investment Advisors, LLC2,390$143.0K0.00%+490+25.8%Added
Tower Research Capital LLC (TRC)2,599$156.0K0.00%−1,144−30.6%Reduced
First Mercantile Trust Co2,665$159.0K0.02%−140−5.0%Reduced
Group One Trading, L.P.2,917$175.0K0.00%+2,917New
Eaton Vance Management3,004$180.0K0.00%+2,699+884.9%Added
Ameritas Investment Partners, Inc.3,113$186.0K0.01%00.0%Unchanged
Captrust Financial Advisors3,219$193.0K0.00%+12+0.4%Added
Advisor Partners LLC3,384$202.0K0.01%−542−13.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)3,395$203.0K0.00%+553+19.5%Added
Centiva Capital, LP3,582$214.0K0.02%+3,582New
Zeke Capital Advisors, LLC3,596$215.0K0.01%+399+12.5%Added
Quantedge Capital Pte Ltd3,600$215.0K0.10%+3,600New
PDT Partners, LLC3,691$221.0K0.01%−1,968−34.8%Reduced
Stratos Wealth Partners, LTD.4,000$239.0K0.01%+4,000New
Teacher Retirement System of Texas4,016$240.0K0.00%+600+17.6%Added
Hennion & Walsh Asset Management, Inc.4,117$246.0K0.01%+4,117New
Crossmark Global Holdings, Inc.4,170$250.0K0.01%−140−3.2%Reduced
Janney Montgomery Scott LLC4,223$253.0K0.00%−85−2.0%Reduced
Qube Research & Technologies Ltd4,331$259.0K0.00%−6,345−59.4%Reduced
CIBC Asset Management Inc4,352$260.0K0.00%00.0%Unchanged
Engineers Gate Manager LP4,502$269.0K0.02%−13,419−74.9%Reduced
The PNC Financial Services Group, Inc.4,755$283.0K0.00%+429+9.9%Added
Walleye Capital LLC4,894$293.0K0.01%+4,894New
SFMG, LLC5,014$300.0K0.03%+7+0.1%Added
Guggenheim Capital LLC5,193$311.0K0.00%+5,193New
AlphaCrest Capital Management LLC5,200$311.0K0.01%+5,200New
Capula Management Ltd5,252$314.0K0.06%+5,252New
Profund Advisors LLC5,286$315.0K0.01%+335+6.8%Added
Franklin Resources Inc5,323$319.0K0.00%+5,323New
Simplex Trading, LLC5,401$323.0K0.01%+5,401New
Royal Bank of Canada5,497$330.0K0.00%−791−12.6%Reduced
Mutual of America Capital Management LLC5,508$330.0K0.00%+375+7.3%Added
Advisor Group Holdings, Inc.5,522$331.0K0.00%−4,122−42.7%Reduced
Mutual Advisors, LLC5,630$337.0K0.02%+80+1.4%Added
Public Employees Retirement Association of Colorado5,856$350.0K0.00%00.0%Unchanged
Cim Investment Mangement Inc5,896$353.0K0.11%00.0%Unchanged
Amundi6,120$366.0K0.00%+6,120New
Aigen Investment Management, LP6,526$391.0K0.07%−2,207−25.3%Reduced
Range Financial Group LLC6,995$419.0K0.31%+436+6.6%Added
Ergoteles LLC7,001$419.0K0.01%+7,001New
HSBC Holdings PLC7,249$432.0K0.00%−1,106−13.2%Reduced
CWM Advisors, LLC7,392$442.0K0.06%+224+3.1%Added
Virginia Retirement Systems Et Al7,700$461.0K0.00%+7,700New
Truist Financial Corp7,917$474.0K0.00%+7,917New
Mitsubishi UFJ Trust & Banking Corp8,001$479.0K0.00%−464−5.5%Reduced
Arizona State Retirement System8,359$500.0K0.00%−563−6.3%Reduced
AMP Capital Investors Ltd8,560$512.0K0.00%00.0%Unchanged
Campbell & CO Investment Adviser LLC9,600$574.0K0.25%+5,620+141.2%Added
Walleye Trading LLC9,656$578.0K0.02%+9,178+1,920.1%Added
Everence Capital Management Inc9,710$581.0K0.05%00.0%Unchanged
First Trust Advisors LP10,033$600.0K0.00%+13+0.1%Added
Ci Investments Inc.10,039$601.0K0.00%+100+1.0%Added
UBS Group AG10,275$615.0K0.00%−12,330−54.5%Reduced
Verition Fund Management LLC10,308$617.0K0.01%+10,308New
Teachers Retirement System of the State of Kentucky10,600$634.0K0.01%00.0%Unchanged
PEAK6 Investments LLC10,776$645.0K0.02%+2,014+23.0%Added
Brinker Capital Investments, LLC11,051$661.0K0.01%+345+3.2%Added
ProShare Advisors LLC11,165$668.0K0.00%−233−2.0%Reduced
Handelsbanken Fonder AB11,830$708.0K0.00%+11,830New
Bailard, Inc.12,123$725.0K0.03%−900−6.9%Reduced