SEC 13F Intelligence

TRINSEO PLC

CUSIP G9059U107

Trinseo PLC has 14 institutional holders in Filings Flow’s 13F database, together reporting 641.3K shares worth $277,619 as of Q1 2026. The largest reported holders are M&G PLC, Brightline Capital Management, LLC, and Nut Tree Capital Management, LP.

Institutional Holders
14
Q1 2026
Reported Value
$277,619
Ticker
unmapped
private placement or foreign
Quarters Tracked
5

Ownership Trend

Institutional holders
Q4 ’21: 152Q4 ’21Q4 ’22: 167Q4 ’22Q4 ’25: 73Q4 ’25Q1 ’26: 14Q1 ’26Q2 ’26: 1Q2 ’26filingsflow.com
Total reported value
Q4 ’21: $1.5BQ4 ’21Q4 ’22: $362MQ4 ’22Q4 ’25: $12MQ4 ’25Q1 ’26: $277,619Q1 ’26Q2 ’26: $660Q2 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
BRIGHTLINE CAPITAL MANAGEMENT, LLC$338M AUM1.02%$2M1.06MQ3 2025OLDER
Nut Tree Capital Management, LP$245M AUM0.33%$2M3.50MQ4 2025OLDER
ICON ADVISERS INC/CO$433M AUM0.11%$497,0001.00MQ4 2025OLDER
Alta Fundamental Advisers LLC$265M AUM0.03%$76,028153.0KQ4 2025OLDER
Owl Creek Asset Management, L.P.$1.4B AUM0.03%$829,9661.67MQ4 2025OLDER
M&G Plc$19.4B AUM0.02%$4M7.63MQ4 2025OLDER
JB CAPITAL PARTNERS LP$581M AUM0.01%$63,45227.0KQ3 2025OLDER
LAKEWOOD CAPITAL MANAGEMENT, LP$1.6B AUM0.01%$139,796281.3KQ4 2025OLDER
CastleKnight Management LP$6.0B AUM0.01%$256,863516.8KQ4 2025OLDER
Voleon Capital Management LP$4.6B AUM0.00%$192,87482.1KQ3 2025OLDER
PFG Investments, LLC$2.1B AUM0.00%$54,05923.0KQ3 2025OLDER
EWA, LLC$548M AUM0.00%$5,21510.5KQ4 2025OLDER
Strategies Wealth Advisors, LLC$995M AUM0.00%$8,95818.0KQ4 2025OLDER
Red Door Wealth Management, LLC$962M AUM0.00%$7,45515.0KQ4 2025OLDER
Point72 Asia (Singapore) Pte. Ltd.$646M AUM0.00%$4,2141.8KQ3 2025OLDER
Kohmann Bosshard Financial Services, LLC$1.0B AUM0.00%$4,68444.6KQ1 2026OLDER
VestGen Advisors, LLC$3.8B AUM0.00%$9,24918.6KQ4 2025OLDER
Cubist Systematic Strategies, LLC$21.0B AUM0.00%$47,06120.0KQ3 2025OLDER
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$137,222276.1KQ4 2025OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$8,15416.4KQ4 2025OLDER
D. E. Shaw & Co., Inc.$166.3B AUM0.00%$346,193147.3KQ3 2025OLDER
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$654.5B AUM0.00%$1M2.09MQ4 2025OLDER
Bare Financial Services, Inc$378M AUM0.00%$491209Q3 2025OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$83,92835.7KQ3 2025OLDER
Ethic Inc.$6.4B AUM0.00%$5,73911.5KQ4 2025OLDER
INTECH INVESTMENT MANAGEMENT LLC$10.2B AUM0.00%$7,55915.2KQ4 2025OLDER
Ameritas Investment Partners, Inc.$3.3B AUM0.00%$1,7283.5KQ4 2025OLDER
Jain Global LLC$24.2B AUM0.00%$9,50219.1KQ4 2025OLDER
Torren Management, LLC$201M AUM0.00%$88178Q4 2025OLDER
Stephens Consulting, LLC$309M AUM0.00%$115231Q4 2025OLDER
Police & Firemen's Retirement System of New Jersey$11.7B AUM0.00%$4,3588.8KQ4 2025OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$288,569580.6KQ4 2025OLDER
WOLVERINE TRADING, LLC$138.7B AUM0.00%$45,74119.3KQ3 2025OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$418,419841.7KQ4 2025OLDER
GAMMA Investing LLC$2.7B AUM0.00%$660412.7KQ2 2026
Mariner, LLC$85.7B AUM0.00%$19,48239.2KQ4 2025OLDER
DEUTSCHE BANK AG\$302.7B AUM0.00%$62,805125.6KQ4 2025OLDER
BlackRock, Inc.$5.72T AUM0.00%$1M2.41MQ4 2025OLDER
NEW YORK STATE COMMON RETIREMENT FUND$71.6B AUM0.00%$14,66229.5KQ4 2025OLDER
Sterling Capital Management LLC$5.3B AUM0.00%$1,1672.3KQ4 2025OLDER
FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A.$2.8B AUM0.00%$4971.0KQ4 2025OLDER
EverSource Wealth Advisors, LLC$3.3B AUM0.00%$5705.4KQ1 2026OLDER
MORGAN STANLEY$1.67T AUM0.00%$266,601536.4KQ1 2026OLDER
NORTHERN TRUST CORP$756.6B AUM0.00%$122,163245.8KQ4 2025OLDER
UBS Group AG$666.3B AUM0.00%$91,695184.5KQ4 2025OLDER
Arax Advisory Partners$3.5B AUM0.00%$938399Q3 2025OLDER
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$73.7B AUM0.00%$8,12216.3KQ4 2025OLDER
McIlrath & Eck, LLC$1.3B AUM0.00%$1521.4KQ1 2026OLDER
DIMENSIONAL FUND ADVISORS LP$481.4B AUM0.00%$49,07198.6KQ4 2025OLDER
SWAN Capital LLC$272M AUM0.00%$26250Q1 2026OLDER
AQR CAPITAL MANAGEMENT LLC$218.4B AUM0.00%$16,72233.6KQ4 2025OLDER
STATE STREET CORP$2.90T AUM0.00%$237,582478.0KQ4 2025OLDER
Bank of New York Mellon Corp$543.9B AUM0.00%$40,12980.7KQ4 2025OLDER
VANGUARD GROUP INC$6.90T AUM0.00%$379,126762.8KQ4 2025OLDER
Invesco Ltd.$653.3B AUM0.00%$34,94970.3KQ4 2025OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$19,12238.5KQ4 2025OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$27,50211.7KQ3 2025OLDER
CWM, LLC$38.1B AUM0.00%$11.3KQ4 2025OLDER
MAI Capital Management$17.7B AUM0.00%$400170Q3 2025OLDER
NISA INVESTMENT ADVISORS, LLC$27.0B AUM0.00%$578246Q3 2025OLDER
PRICE T ROWE ASSOCIATES INC /MD/$865M AUM0.00%$2040.5KQ4 2025OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$4,1608.4KQ4 2025OLDER
True Wealth Design, LLC$360M AUM0.00%$611Q4 2025OLDER
FMR LLC$1.90T AUM0.00%$33,60967.6KQ4 2025OLDER
Russell Investments Group, Ltd.$93.1B AUM0.00%$1,4012.8KQ4 2025OLDER
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$19,78239.8KQ4 2025OLDER
Nuveen, LLC$369.3B AUM0.00%$4,64944.3KQ1 2026OLDER
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$94.5B AUM0.00%$1,0392.1KQ4 2025OLDER
GROUP ONE TRADING LLC$52.2B AUM0.00%$359722Q4 2025OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$9,20318.5KQ4 2025OLDER
FIFTH THIRD BANCORP$54.7B AUM0.00%$16570Q3 2025OLDER
Sunbelt Securities, Inc.$1.6B AUM0.00%$764Q1 2026OLDER
Legal & General Group Plc$432.4B AUM0.00%$1,5403.1KQ4 2025OLDER
Steward Partners Investment Advisory, LLC$19.6B AUM0.00%$4386Q4 2025OLDER
CITIGROUP INC$234.5B AUM0.00%$383770Q4 2025OLDER
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$115231Q4 2025OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$1,0002.5KQ4 2025OLDER
RHUMBLINE ADVISERS$116.9B AUM0.00%$1731.7KQ1 2026OLDER
IFP Advisors, Inc$4.8B AUM0.00%$655Q1 2026OLDER
BARCLAYS PLC$416.3B AUM0.00%$5054.8KQ1 2026OLDER
ROTHSCHILD INVESTMENT LLC$1.9B AUM0.00%$17Q1 2026OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$24Q4 2025OLDER
Allworth Financial LP$24.7B AUM0.00%$1019Q4 2025OLDER
Rockefeller Capital Management L.P.$56.4B AUM0.00%$17160Q1 2026OLDER
Farther Finance Advisors, LLC$10.6B AUM0.00%$215Q1 2026OLDER
Smartleaf Asset Management LLC$2.8B AUM$00Q4 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.