TrinseoTSEOQ

13F holders, Q1 2025 (March 31)
85holders −10
9new positions
19sold out
4famous investors
$3.78avg. 13F price*

At the end of Q1 2025, 85 institutions reported holding Trinseo PLC (TSEOQ) in their 13F filings, down 10 from Q4 2024. 9 opened new positions and 19 sold out. The largest holders were M&G PLC ($30.5M), Nut Tree Capital Management, LP ($12.9M) and CastleKnight Management LP ($10.2M). 4 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Trinseo PLC
CUSIP
G9059U107
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 109Q1 2024Q2 2024: 98Q2 2024Q3 2024: 71Q3 2024Q4 2024: 95Q4 2024Q1 2025: 85Q1 2025Q2 2025: 80Q2 2025Q3 2025: 75Q3 2025Q4 2025: 72Q4 2025Q1 2026: 14Q1 2026Q2 2026: 6Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions9$629K
Exits19$2.2M

All 13F filers, Q4 2024 → Q1 2025: 1,828,169 shares bought and 1,588,748 shares sold, net +239,421 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 85 holders

M&G PLC 0.20% No change 7,625,044 $30.5M
Nut Tree Capital Management, LP 4.60% No change 3,500,000 $12.9M
CastleKnight Management LP 1.14% Add +11.6% 2,766,226 $10.2M
Brightline Capital Management, LLC 3.24% Add +7.5% 1,016,000 $3.7M
Vanguard Group Inc. 0.00% Add +0.5% 960,752 $3.5M
Marshall Wace, LLP 0.00% Add +39.4% 861,569 $3.2M
BlackRock, Inc. 0.00% Reduce -0.9% 757,558 $2.8M
Morgan Stanley 0.00% Add +6.0% 443,555 $1.6M
Susquehanna International Group, LLP 0.00% Add +19.3% 402,720 $1.5M
Geode Capital Management, LLC 0.00% Add +2.9% 399,839 $1.5M
JPMorgan Chase & Co. 0.00% Add +69.9% 389,844 $1.4M
D. E. Shaw & Co. 0.00% Reduce -33.7% 385,780 $1.4M
Owl Creek Asset Management, L.P. 0.23% No change 382,098 $1.4M
Charles Schwab Investment Management Inc. 0.00% Reduce -31.2% 362,646 $1.3M
Truffle Hound Capital, LLC 0.83% No change 350,000 $1.3M
Goldman Sachs Group Inc. 0.00% Add +43.0% 343,604 $1.3M
Acadian Asset Management LLC 0.00% Add +267.9% 329,306 $1.2M
Bank of America Corp. 0.00% Reduce -7.3% 311,389 $1.1M
Two Sigma Investments, LP 0.00% Reduce -8.1% 300,307 $1.1M
Lakewood Capital Management, LP 0.09% No change 281,279 $1.0M
Millennium Management 0.00% Add +52.9% 272,508 $1.0M
Jane Street Group, LLC 0.00% Reduce -19.0% 267,745 $985K
Renaissance Technologies 0.00% Add +11.6% 255,900 $942K
Invesco Ltd. 0.00% Reduce -18.8% 255,668 $941K
Two Sigma Advisers, LP 0.00% Add +2.5% 209,400 $771K
State Street Corp. 0.00% Add +5.2% 148,977 $549K
FMR LLC 0.00% Add +3.5% 123,357 $454K
Thrivent Financial for Lutherans 0.00% No change 116,248 $428K
Gsa Capital Partners LLP 0.04% Add +309.1% 105,072 $387K
Qube Research & Technologies Ltd 0.00% Reduce -38.2% 104,779 $386K
Dimensional Fund Advisors LP 0.00% Add +152.2% 103,973 $383K
Northern Trust Corp. 0.00% Add +6.6% 77,358 $285K
OMERS ADMINISTRATION Corp 0.00% Add +11.6% 72,200 $266K
Susquehanna Fundamental Investments, LLC 0.00% Add +324.7% 66,855 $246K
Point72 Asia (Singapore) Pte. Ltd. 0.06% Add +66.4% 61,507 $226K
Schonfeld Strategic Advisors LLC 0.00% Add +11.8% 55,518 $204K
Alta Fundamental Advisers LLC 0.13% Reduce -86.3% 53,618 $197K
Cubist Systematic Strategies, LLC 0.00% Reduce -15.1% 50,656 $186K
Jump Financial, LLC 0.00% Reduce -15.7% 45,802 $169K
Balyasny Asset Management L.P. 0.00% New 44,754 $165K
Kohmann Bosshard Financial Services, LLC 0.02% Add +28.9% 44,605 $164K
Jain Global LLC 0.00% New 34,125 $126K
Jefferies Financial Group Inc. 0.00% Add +9.8% 32,942 $121K
Dynamic Technology Lab Private Ltd 0.02% New 32,107 $118K
Squarepoint Ops LLC 0.00% Add +149.6% 27,255 $100K
JB Capital Partners LP 0.02% No change 27,001 $99K
Cetera Investment Advisers 0.00% Add +58.3% 25,320 $93K
T. Rowe Price Associates Inc. 0.00% No change 23,900 $88K
BNP Paribas Financial Markets 0.00% Add +59.2% 23,078 $85K
Barclays PLC 0.00% Reduce -53.4% 22,537 $83K
UBS Group AG 0.00% Reduce -51.8% 22,453 $83K
SG Americas Securities, LLC 0.00% Add +107.5% 20,956 $77K
Quantessence Capital LLC 0.02% New 20,124 $74K
Catalyst Funds Management Pty Ltd 0.02% New 17,285 $64K
Meeder Asset Management Inc. 0.00% No change 16,116 $59K
LPL Financial LLC 0.00% Reduce -21.9% 15,567 $57K
Citadel Advisors 0.00% Reduce -77.2% 15,185 $56K
Red Door Wealth Management, LLC 0.01% No change 15,000 $55K
Diametric Capital, LP 0.06% New 14,687 $54K
PFG Investments, LLC 0.00% Add +14.3% 14,000 $52K
Verition Fund Management LLC 0.00% Reduce -37.9% 12,849 $47K
Wells Fargo & Company 0.00% Add +260.9% 12,803 $47K
Mercer Global Advisors Inc. 0.00% Reduce -0.5% 10,693 $39K
Engineers Gate Manager LP 0.00% Reduce -55.8% 10,035 $37K
Farther Finance Advisors, LLC 0.00% New 6,024 $23K
Citigroup Inc. 0.00% Reduce -87.5% 5,692 $21K
Rhumbline Advisers 0.00% Reduce -33.2% 5,266 $19K
Brooklyn Investment Group 0.00% Add +60.8% 4,132 $15K
Point72 (DIFC) Ltd 0.00% Add +343.8% 2,525 $9K
Simplex Trading, LLC 0.00% Reduce -91.5% 1,753 $6K
McIlrath & Eck, LLC 0.00% No change 1,444 $5K
Caitong International Asset Management Co., Ltd 0.00% Add +674.0% 1,432 $5K
Royal Bank of Canada 0.00% New 1,329 $5K
Steward Partners Investment Advisory, LLC 0.00% No change 1,000 $4K
Russell Investments Group, Ltd. 0.00% No change 582 $2K
Osaic Holdings, Inc. 0.00% Add +65.8% 393 $1K
MAI Capital Management 0.00% No change 300 $1K
Group One Trading LLC 0.00% Reduce -85.5% 275 $1K
SWAN Capital LLC 0.00% No change 250 $920
Federated Hermes, Inc. 0.00% Reduce -31.5% 241 $887
Stephens Consulting, LLC 0.00% New 231 $851
Nisa Investment Advisors, LLC 0.00% No change 68 $250
Versant Capital Management, Inc 0.00% No change 21 $77
SBI Securities Co., Ltd. 0.00% Add +31.3% 21 $77
Allworth Financial LP 0.00% No change 7 $28

"% of holder's portfolio" is TSEOQ's weight in each manager's 13F, not the share of Trinseo PLC the manager owns.