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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, Q4 2021

Institutional positions in Trinseo PLC as of Dec 31, 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
185
+2 vs. Q3 2021
Shares held
35.2M
−1.12M (−3.1%) vs. Q3 2021
Total value
$1.84B
−$118.2M (−6.0%) vs. Q3 2021
New holders
44
45 more added
Sold out
42
70 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 185 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 heldQ4 2021: $1.84B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Trinseo PLC; share changes are against Q3 2021.

Institutions holding TSEOQ in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
First Horizon Advisors, Inc.1$00.00%00.0%Unchanged
Glassman Wealth Services5$00.00%+5New
Parallel Advisors, LLC6$00.00%+6New
BDO Wealth Advisors, LLC9$00.00%+9New
Bell Investment Advisors, Inc10$1.00K0.00%−8−44.4%Reduced
Lenox Wealth Advisors, LLC24$1.00K0.00%+24New
SRS Capital Advisors, Inc.25$1.00K0.00%+25New
Meeder Asset Management Inc29$2.00K0.00%−3,680−99.2%Reduced
CWM, LLC35$2.00K0.00%+35New
Laurel Wealth Advisors LLC35$2.00K0.00%+35New
Sageworth Trust Co53$3.00K0.00%−177−77.0%Reduced
Signaturefd, LLC48$3.00K0.00%−133−73.5%Reduced
Spire Wealth Management50$3.00K0.00%+50New
Koshinski Asset Management, Inc.74$3.88K0.00%00.0%Unchanged
Fieldpoint Private Securities, LLC80$4.00K0.00%+35+77.8%Added
Point72 Hong Kong Ltd95$5.00K0.00%−1,428−93.8%Reduced
Parkside Financial Bank & Trust119$6.00K0.00%00.0%Unchanged
Tarbox Family Office, Inc.105$6.00K0.00%00.0%Unchanged
Tilia Fiduciary Partners, Inc.116$6.00K0.00%+116New
Lindbrook Capital, LLC162$8.00K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC151$8.00K0.00%+151New
Proequities, Inc.181$9.00K0.00%00.0%Unchanged
Sageworth Trust Co of South Dakota173$9.00K0.01%+173New
Ellevest, Inc.216$11.0K0.00%00.0%Unchanged
Quadrant Capital Group LLC228$12.0K0.00%00.0%Unchanged
Fifth Third Bancorp240$13.0K0.00%−43−15.2%Reduced
TCI Wealth Advisors, Inc.284$15.0K0.00%+32+12.7%Added
Northwestern Mutual Wealth Management Co280$15.0K0.00%+280New
GPS Wealth Strategies Group, LLC300$16.0K0.00%00.0%Unchanged
Founders Capital Management300$16.0K0.01%+300New
Steward Partners Investment Advisory, LLC300$16.0K0.00%+300New
Tower Research Capital LLC (TRC)336$18.0K0.00%−16,866−98.0%Reduced
Rockefeller Capital Management L.P.420$22.0K0.00%+1+0.2%Added
Legal & General Group Plc458$24.0K0.00%−107,662−99.6%Reduced
SOA Wealth Advisors, LLC.488$25.0K0.01%+41+9.2%Added
Versant Capital Management, Inc632$33.0K0.01%−4−0.6%Reduced
Wolff Wiese Magana LLC690$36.0K0.02%00.0%Unchanged
Group One Trading, L.P.783$41.0K0.00%−2,293−74.5%Reduced
Sutton Wealth Advisors Inc.900$47.2K0.02%00.0%Unchanged
State of Wyoming940$49.0K0.02%+940New
Mine & Arao Wealth Creation & Management, LLC.1,000$52.0K0.03%00.0%Unchanged
US Bancorp1,065$56.0K0.00%−46−4.1%Reduced
KBC Group NV1,084$57.0K0.00%00.0%Unchanged
IFP Advisors, Inc1,188$62.0K0.00%+305+34.5%Added
Macquarie Group Ltd1,400$73.0K0.00%−20,800−93.7%Reduced
Citizens National Bank Trust Department1,400$73.0K0.03%+1,400New
Compagnie Lombard Odier SCmA1,850$97.0K0.00%+1,850New
McIlrath & Eck, LLC1,889$99.0K0.03%+1,889New
Mitsubishi UFJ Trust & Banking Corp1,901$100.0K0.00%−4,900−72.0%Reduced
Nisa Investment Advisors, LLC2,390$128.0K0.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC2,696$141.0K0.00%+72+2.7%Added
Fortitude Advisory Group L.L.C.3,021$159.0K0.08%+3,021New
Ameritas Investment Partners, Inc.3,113$163.0K0.01%00.0%Unchanged
Captrust Financial Advisors3,142$165.0K0.00%−24−0.8%Reduced
Eaton Vance Management3,284$173.0K0.00%+244+8.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)3,396$178.0K0.00%+10.0%Added
Stephens Inc3,876$203.0K0.00%−849−18.0%Reduced
Profund Advisors LLC4,341$228.0K0.01%+178+4.3%Added
Public Employees Retirement System of Ohio4,456$234.0K0.00%−78−1.7%Reduced
Simplex Trading, LLC4,751$249.0K0.01%−1,005−17.5%Reduced
CWM Advisors, LLC4,757$250.0K0.03%−4,087−46.2%Reduced
The PNC Financial Services Group, Inc.4,935$259.0K0.00%+185+3.9%Added
Franklin Resources Inc5,029$264.0K0.00%−22,350−81.6%Reduced
Mutual of America Capital Management LLC5,306$278.0K0.00%+128+2.5%Added
SFMG, LLC5,451$286.0K0.03%+429+8.5%Added
Cubist Systematic Strategies, LLC5,764$302.0K0.00%−9,913−63.2%Reduced
Public Employees Retirement Association of Colorado5,856$307.0K0.00%00.0%Unchanged
Cim Investment Mangement Inc5,896$309.0K0.09%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.6,028$316.0K0.02%+137+2.3%Added
Teacher Retirement System of Texas6,070$318.0K0.00%+1,122+22.7%Added
Janney Montgomery Scott LLC6,083$319.0K0.00%+560+10.1%Added
HSBC Holdings PLC6,237$326.0K0.00%−2,185−25.9%Reduced
Gsa Capital Partners LLP6,224$327.0K0.04%+6,224New
Janus Henderson Group PLC6,297$330.0K0.00%+6,297New
Advisor Group Holdings, Inc.6,457$339.0K0.00%−237−3.5%Reduced
Wolverine Trading, LLC6,591$346.0K0.00%+6,591New
PEAK6 Investments LLC6,632$348.0K0.01%−10,640−61.6%Reduced
AlphaCrest Capital Management LLC6,900$362.0K0.01%+6,900New
Centaurus Financial, Inc.7,200$378.0K0.03%+7,200New
Arizona State Retirement System8,360$439.0K0.00%−82−1.0%Reduced
SEI Investments Co8,438$443.0K0.00%+35+0.4%Added
Man Group plc8,450$443.0K0.00%+8,450New
American Century Companies Inc8,535$448.0K0.00%−7,179−45.7%Reduced
Malaga Cove Capital, LLC8,866$465.0K0.18%00.0%Unchanged
Samson Rock Capital LLP9,000$472.1K1.42%+9,000New
Algert Global LLC9,133$479.0K0.06%+1,650+22.0%Added
Royce & Associates LP9,396$493.0K0.00%−12,370−56.8%Reduced
Federated Hermes, Inc.9,688$508.0K0.00%−89,567−90.2%Reduced
ProShare Advisors LLC9,734$510.0K0.00%+3,733+62.2%Added
Metropolitan Life Insurance Co10,071$528.3K0.01%−874−8.0%Reduced
Guggenheim Capital LLC10,100$530.0K0.00%+10,100New
Teachers Retirement System of the State of Kentucky10,600$556.0K0.00%00.0%Unchanged
Jade Capital Advisors, LLC10,000$561.0K0.43%+10,000New
Brinker Capital Investments, LLC10,998$577.0K0.01%−53−0.5%Reduced
Everence Capital Management Inc11,030$579.0K0.04%00.0%Unchanged
Bank of Montreal11,295$600.0K0.00%−71,627−86.4%Reduced
Commonwealth Equity Services, LLC11,969$627.0K0.00%−123−1.0%Reduced
Ensign Peak Advisors, Inc12,510$656.0K0.00%−20,290−61.9%Reduced
Bailard, Inc.12,723$667.0K0.02%+600+4.9%Added
State Board of Administration of Florida Retirement System12,876$675.0K0.00%−136−1.0%Reduced