Institutional shares held 26.3 Million
23.6K calls
0 puts
Total value of holdings $60.4M
$54K calls
$0 puts
Market Cap $80.4M
34,972,600 Shares Out.
Institutional ownership 75.07%
# of Institutions 86


Latest Institutional Activity in TSE

Top Purchases

Q2 2025
Owl Creek Asset Management, L.P. Shares Held: 1.67M ($3.84M)
Q2 2025
Icon Advisers Inc Shares Held: 750K ($1.72M)
Q2 2025
Charles Schwab Investment Management Inc Shares Held: 963K ($2.21M)
Q2 2025
Geode Capital Management, LLC Shares Held: 823K ($1.89M)
Q2 2025
Royal Bank Of Canada Shares Held: 237K ($544K)

Top Sells

Q2 2025
Marshall Wace, LLP Shares Held: 190K ($438K)
Q2 2025
Susquehanna International Group, LLP Shares Held: 57.4K ($132K)
Q2 2025
Millennium Management LLC Shares Held: 44.6K ($103K)
Q2 2025
Goldman Sachs Group Inc Shares Held: 117K ($269K)
Q2 2025
Two Sigma Advisers, LP Shares Held: 11.4K ($26.2K)

About TSE

Trinseo PLC, a materials solutions provider, manufactures and sells plastics and latex binders in the United States, Europe, the Asia-Pacific, and internationally. The company operates through six segments: Engineered Materials, Latex Binders, Base Plastics, Polystyrene, Feedstocks, and Americas Styrenics. The Engineered Materials segment offers rigid compounds, including polycarbonate compounds, acrylonitrile-butadiene-styrene compounds, and PC blends to consumer electronics and medical markets for equipment housing applications; thermoplastic elastomer soft plastic compounds, such as overmolds, sealings, tubing, and films for footwear shoe sole, personal care, consumer electronics, and automotive high-end applications; and PMMA products to building and construction, automotive, medical, and consumer goods applications. The Latex Binders segment provides styrene-butadiene, styrene-acrylate, vinylidene chloride, and butadiene-methacrylate latex products for the commercial and niche carpet markets, as well as performance latex products for the adhesive, building and construction, and technical textile paper markets. The Base Plastics segment offers various compounds and blends for automotive and other applications. This segment also engages in the acrylonitrile-butadiene-styrene, styrene-acrylonitrile, and polycarbonate businesses. The Polystyrene segment provides general purpose polystyrenes and high impact polystyrene for use in appliances, food packaging and food service disposables, consumer electronics, and building and construction materials. The Feedstocks segment offers styrene monomer, a basic building block of plastics. The Americas Styrenics segment provides styrene and polystyrene. The company was incorporated in 2015 and is based in Berwyn, Pennsylvania.


Insider Transactions at TSE

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
1.34M Shares
From 21 Insiders
Grant, award, or other acquisition 1.18M shares
Open market or private purchase 154K shares
Sell / Disposition
193K Shares
From 21 Insiders
Payment of exercise price or tax liability 193K shares

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