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TSEOQ TRINSEO PLC

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Common Stock (common), issuer CIK 1519061

6 managers (6 13F filers) reported a position in TSEOQ shares at 2026-06-30, 462,687 shares in all. 0 filers opened a position and 6 filers sold out during the quarter.

Managers
6
13F filers
6
New
0
Added
1
Reduced
2
Sold out
6
Shares held by filers
462,687

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
GAMMA Investing LLC412,655$660<0.01%+410,50713F-HRTimeline
Kohmann Bosshard Financial Services, LLC44,605$71<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…5,375$9<0.01%-5513F-HRTimelineGroup
Essential Partners LLC30$00%-3613F-HRTimelineValue filed as zero, left out of ratios.
Farther Finance Advisors, LLC15$00%013F-HRTimelineValue filed as zero, left out of ratios.
ROTHSCHILD INVESTMENT LLC7$00%013F-HRTimelineValue filed as zero, left out of ratios.