Trinseo PLC Schedule 13G passive stakes
Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.
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Trinseo PLCNut Tree Capital Management, LP has reported an 8.3% beneficial ownership stake in Trinseo PLC as of March 31, 2026.
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Trinseo PLCCharles Schwab Investment Management Inc. has reported a 5.8% beneficial ownership stake in Trinseo PLC's Ordinary Shares as of December 31, 2025.
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Trinseo PLCCastleKnight Master Fund LP and related entities have filed an amendment to their Schedule 13G, disclosing a 7.8% beneficial ownership stake in Trinseo PLC as of June 30, 2025.
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Trinseo PLCBlackRock, Inc. has reported a 6.3% beneficial ownership stake in Trinseo PLC, holding 2,255,125 shares of common stock as of June 30, 2025.