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Disclosery

TSEOQ TRINSEO PLC

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Common Stock (common), issuer CIK 1519061

73 managers (73 13F filers) reported a position in TSEOQ shares at 2025-12-31, 21,251,273 shares in all. 12 filers opened a position and 14 filers sold out during the quarter.

Managers
73
13F filers
73
New
12
Added
15
Reduced
23
Sold out
14
Shares held by filers
21,251,273

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
M&G PLCin group M&G PLC7,625,044$3.79M0.02%013F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.2,413,178$1.2M<0.01%+43,50613F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co2,091,125$1.04M<0.01%+586,05713F-HRTimelineGroup
Owl Creek Asset Management, L.P.1,669,952$830K0.1%013F-HRTimeline
ICON ADVISERS INC/CO1,000,000$497K0.11%013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC841,720$418K<0.01%-10813F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC762,828$379K<0.01%+7,18513F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC580,623$289K<0.01%+454,63013F-HR/ATimelineGroup
MORGAN STANLEYin group MORGAN STANLEY536,422$267K<0.01%+82,13513F-HR/ATimelineGroup
CastleKnight Management LP516,826$257K0.01%-1,950,00013F-HRTimeline
GSA CAPITAL PARTNERS LLP511,342$254K0.02%new13F-HRTimeline
STATE STREET CORPin group STATE STREET CORP478,033$238K<0.01%+54,24713F-HRTimelineGroup
LAKEWOOD CAPITAL MANAGEMENT, LPin group LAKEWOOD CAPITAL MANAGEMENT, …281,279$140K0.01%013F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC276,100$137K<0.01%-38,60013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP245,801$122K<0.01%-22,88813F-HRTimelineGroup
UBS Group AGin group UBS Group AG184,497$91.7K<0.01%-15,30713F-HRTimelineGroup
Alta Fundamental Advisers LLC152,974$76K0.04%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\125,610$62.8K<0.01%+96,82513F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP98,606$49.1K<0.01%-19,06313F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp80,741$40.1K<0.01%-66113F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.70,320$34.9K<0.01%-61,48213F-HRTimelineGroup
FMR LLCin group FMR LLC67,624$33.6K<0.01%+17,04213F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC53,255$26.5K<0.01%+5,27313F-HRTimelineGroup
Kohmann Bosshard Financial Services, LLC44,605$22.2K<0.01%013F-HRTimeline
Nuveen, LLCin group TIAA44,280$22K<0.01%013F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/40,483$20K<0.01%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/39,804$19.8K<0.01%-323,83713F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC39,200$19.5K<0.01%013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN38,474$19.1K<0.01%+10,19513F-HRTimelineGroup
HRT FINANCIAL LP37,379$18K<0.01%new13F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC33,646$16.7K<0.01%+9,06313F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND29,500$14.7K<0.01%013F-HRTimeline
RHUMBLINE ADVISERS21,942$10.9K<0.01%-10,78613F-HRTimeline
Jain Global LLC19,119$9.5K<0.01%new13F-HRTimeline
VestGen Advisors, LLC18,610$9.25K<0.01%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO18,518$9.2K<0.01%-7,80513F-HRTimelineGroup
Strategies Wealth Advisors, LLC18,023$8.96K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…16,406$8.15K<0.01%+11,57313F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…16,342$8.12K<0.01%+52813F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC15,209$7.56K<0.01%-84513F-HRTimeline
Red Door Wealth Management, LLC15,000$7.46K<0.01%013F-HRTimeline
Ground Swell Capital, LLC11,765$5.85K0.01%new13F-HRTimeline
Ethic Inc.11,547$5.74K<0.01%new13F-HRTimeline
EWA, LLC10,493$5.21K<0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…8,769$4.36K<0.01%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS8,370$4.16K<0.01%-15,08413F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…5,085$2.53K<0.01%-513F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…3,476$1.73K<0.01%013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc3,098$1.54K<0.01%013F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…2,820$1.4K<0.01%-10,45613F-HRTimelineGroup
Sterling Capital Management LLC2,349$1.17K<0.01%013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…2,091$1.04K<0.01%-3513F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA2,460$1K<0.01%-225,36113F-HRTimelineGroup
CWM, LLCin group CWM, LLC1,259$1K<0.01%-42913F-HRTimelineGroup
AMALGAMATED BANK1,070$1K<0.01%-9313F-HRTimeline
McIlrath & Eck, LLC1,444$718<0.01%013F-HRTimeline
GAMMA Investing LLC1,052$523<0.01%new13F-HRTimeline
FIDEURAM - INTESA SANPAOLO PRIVATE BANK…1,000$497<0.01%13F-HR/ATimeline
CITIGROUP INCin group CITIGROUP INC770$383<0.01%+25113F-HRTimelineGroup
GROUP ONE TRADING LLC722$359<0.01%-2,35313F-HRTimeline
SWAN Capital LLC250$124<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.231$115<0.01%-613F-HRTimelineGroup
Stephens Consulting, LLC231$115<0.01%013F-HRTimeline
Torren Management, LLC178$88<0.01%13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…160$80<0.01%013F-HR/ATimelineGroup
Steward Partners Investment Advisory, L…86$43<0.01%-91413F-HRTimeline
Allworth Financial LP19$10<0.01%013F-HRTimeline
IFP Advisors, Inc13$6<0.01%-113F-HRTimeline
True Wealth Design, LLC11$6<0.01%new13F-HRTimeline
Essential Partners LLC9$4<0.01%+113F-HRTimeline
SBI Securities Co., Ltd.4$2<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC1$00%new13F-HRTimelineValue filed as zero, left out of ratios.
Smartleaf Asset Management LLC0$00%new13F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.