Trinseo SA (TSE) Ownership

2.84 ↑0.00 (0.00%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

M&G INVESTMENT MANAGEMENT LTD is the biggest individual institutional holder of Trinseo SA (TSE), owning a total of 7.6 million shares. Combined, the top 57 institutional holders of TSE own 133.11% of the company with a total of 47.2 million shares.

In the latest ownership report on March 31st 2025, the top 57 institutional holders increased their combined ownership of TSE by 168 thousand shares. 4 institutions bought 339,009 total additional shares and increased their ownership by an average of 30.20%. However 2 institutions sold 170,854 total shares and decreased their ownership by an average of 16.02%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Trinseo SA increased by a net total of 168,155 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Nut Tree Capital Management, LP	9.818%	0.000%	3,500,000	0	2025-03-31
Brightline Capital Management LLC	2.850%	7.513%	1,016,000	71,000	2025-03-31
Vanguard Group Inc	2.695%	0.457%	960,752	4,374	2025-03-31
BlackRock Inc	2.125%	-0.861%	757,558	-6,576	2025-03-31
JPMorgan Chase & Co	1.094%	69.864%	389,844	160,341	2025-03-31
Charles Schwab Investment Management Inc	1.017%	-31.177%	362,646	-164,278	2025-03-31
Truffle Hound Capital, LLC	0.982%	0.000%	350,000	0	2025-03-31
Goldman Sachs Group Inc	0.964%	42.984%	343,604	103,294	2025-03-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
M&G INVESTMENT MANAGEMENT LTD	21.604%	0.000%	7,625,044	0	2023-12-31
M&G PLC	21.388%	0.000%	7,625,044	0	2024-12-31
Nut Tree Capital Management, LP	9.818%	0.000%	3,500,000	0	2025-03-31
CastleKnight Management LP	6.955%	128.086%	2,479,618	1,392,476	2024-12-31
Hotchkis & Wiley Capital Management LLC	4.615%	45.284%	1,627,240	507,200	2023-12-31
Fuller & Thaler Asset Management Inc	4.283%	1.279%	1,516,292	19,155	2024-03-31
Fisher Asset Management, LLC	3.904%	33.267%	1,374,052	343,002	2023-06-30
Towle & Co	3.369%	3.948%	1,185,664	45,030	2023-06-30
Brightline Capital Management LLC	2.850%	7.513%	1,016,000	71,000	2025-03-31
Vanguard Group Inc	2.695%	0.457%	960,752	4,374	2025-03-31
DePrince Race & Zollo Inc	2.193%	-23.710%	773,180	-240,290	2023-12-31
State Street Corporation	2.184%	-2.081%	772,160	-16,407	2024-03-31
BlackRock Inc	2.125%	-0.861%	757,558	-6,576	2025-03-31
Boston Partners Global Investors, Inc	1.933%	-5.662%	676,254	-40,588	2022-09-30
Marshall Wace Asset Management Ltd	1.734%	1.735%	618,192	10,543	2024-12-31
D. E. Shaw & Co LP	1.632%	-32.574%	581,795	-281,065	2024-12-31
LSV Asset Management	1.599%	-47.732%	561,843	-513,078	2023-03-31
Jacobs Levy Equity Management, Inc.	1.432%	-35.211%	507,047	-275,564	2024-06-30
Citadel Advisors Llc	1.330%	-24.623%	470,908	-153,831	2024-06-30
FMR Inc	1.308%	0.042%	460,404	194	2023-03-31
Millennium Management LLC	1.291%	-55.520%	457,171	-570,637	2024-09-30
Los Angeles Capital Management LLC	1.204%	388.033%	425,506	338,318	2024-06-30
Morgan Stanley - Brokerage Accounts	1.173%	-7.466%	418,275	-33,746	2024-12-31
Deutsche Bank AG	1.176%	2,136.440%	413,742	395,242	2023-09-30
Alta Fundamental Advisers LLC	1.095%	-0.687%	390,500	-2,700	2024-12-31
JPMorgan Chase & Co	1.094%	69.864%	389,844	160,341	2025-03-31
Geode Capital Management, LLC	1.091%	0.731%	388,751	2,820	2024-12-31
Owl Creek Asset Management LP	1.072%	80.132%	382,098	169,977	2024-12-31
Dimensional Fund Advisors, Inc.	1.052%	-42.502%	371,027	-274,259	2023-12-31
Bank of New York Mellon Corp	1.039%	-0.136%	365,711	-497	2023-06-30
Charles Schwab Investment Management Inc	1.017%	-31.177%	362,646	-164,278	2025-03-31
Ameriprise Financial Inc	1.009%	47.977%	356,110	115,457	2023-12-31
Cubist Systematic Strategies, LLC	1.008%	0.000%	354,647	354,647	2023-09-30
Squarepoint Ops LLC	1.001%	78.690%	353,078	155,485	2023-12-31
JANE STREET GROUP, LLC	0.997%	242.723%	352,357	249,546	2024-06-30
Truffle Hound Capital, LLC	0.982%	0.000%	350,000	0	2025-03-31
Goldman Sachs Group Inc	0.964%	42.984%	343,604	103,294	2025-03-31
AQR Capital Management LLC	0.956%	-30.074%	338,495	-145,578	2024-06-30
Susquehanna International Group, LLP	0.947%	53.621%	337,716	117,879	2024-12-31
Bank of America Corp	0.942%	3.851%	335,947	12,458	2024-12-31
Jane Street Group LLC	0.927%	32.439%	330,467	80,943	2024-12-31
Two Sigma Investments LLC	0.916%	2.731%	326,592	8,682	2024-12-31
NORGES BANK	0.916%	-8.817%	321,900	-31,127	2022-12-31
Amvescap Plc.	0.883%	0.900%	314,658	2,806	2024-12-31
Moore Capital Management, LP	0.888%	0.000%	314,231	314,231	2024-03-31
Walleye Trading Advisors, LLC	0.860%	-13.304%	304,064	-46,660	2024-03-31
Acadian Asset Management LLC	0.846%	0.000%	297,641	297,641	2023-06-30
Systematic Financial Management LP	0.827%	5.361%	289,054	14,707	2022-06-30
Bridgeway Capital Management, LLC	0.809%	0.000%	286,400	0	2024-06-30
Northern Trust Corp	0.801%	-8.122%	283,111	-25,026	2024-06-30
Lakewood Capital Management, LP	0.789%	0.000%	281,279	0	2024-12-31
Renaissance Technologies Corp	0.760%	-23.293%	267,400	-81,200	2023-03-31
Man Group PLC	0.735%	274.447%	259,454	190,164	2024-03-31
Pacer Advisors, INC.	0.722%	-3.446%	252,405	-9,009	2022-06-30
Two Sigma Advisers, LLC	0.635%	42.730%	224,800	67,300	2024-09-30
Qube Research & Technologies	0.598%	-21.749%	211,608	-58,814	2024-06-30
Schonfeld Strategic Advisors LLC	0.140%	0.000%	49,645	49,645	2024-12-31

Mutual Fund Ownership

Schroders US High Yield Composite is the biggest individual fund holder of Trinseo SA (TSE), owning a total of 5.8 million shares. Combined, the top 74 mutual fund holders of TSE own 103.93% of the company with a total of 36.7 million shares.

In the latest ownership report on April 30th 2025, the top 74 fund holders increased their combined ownership of TSE by 4 thousand shares. 1 funds bought 30 total additional shares and increased their ownership by an average of 0.05%. However 2 funds sold 4,277 total shares and decreased their ownership by an average of 2.52%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding Trinseo SA decreased by a net total of -4,247 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Schwab Fundamental U.S. Small CompanyETF	0.772%	0.000%	275,032	0	2025-04-30
Invesco RAFI US 1500 Small-Mid ETF	0.681%	-0.219%	242,794	-533	2025-04-30
iShares Micro-Cap ETF	0.213%	0.000%	76,046	0	2025-04-30
Vanguard Materials ETF	0.208%	-4.815%	74,013	-3,744	2025-04-30
Fidelity Enhanced Small Cap ETF	0.198%	0.000%	70,439	0	2025-04-30
iShares Core S&P Total US Stock Mkt ETF	0.179%	0.047%	63,819	30	2025-04-30
Schwab Fundamental US Small Company Idx	0.155%	0.000%	55,382	0	2025-04-30

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Schroders US High Yield Composite	16.483%	0.000%	5,793,000	5,793,000	2022-09-30
M&G Global Dividend GBP I Acc	8.323%	0.000%	2,967,311	0	2025-01-31
M&G (Lux) Glb Dividend CI EUR Acc	8.053%	0.000%	2,834,120	0	2023-10-31
M&G (Lux) Glb Dividend CI USD Acc	7.950%	0.000%	2,834,120	0	2025-01-31
iShares Core S&P Small-Cap ETF	7.114%	-0.165%	2,503,490	-4,140	2023-08-31
Schwab Fundamental US Small Company ETF	4.543%	0.000%	1,603,517	0	2024-05-31
Fuller & Thaler Small-Cap Value	3.924%	27.562%	1,378,848	297,924	2022-12-31
Fuller & Thaler Behavrl Small-Cap Value	3.837%	-0.894%	1,350,522	-12,176	2023-11-30
FullerThaler Behavioral Small-Cap Value	3.741%	0.010%	1,324,328	130	2024-05-31
Undiscovered Managers Behavioral Val L	3.538%	0.000%	1,248,660	0	2024-05-31
iShares Russell 2000 ETF	2.353%	0.763%	830,541	6,292	2024-05-30
Vanguard Institutional Extnd Mkt Idx Tr	1.514%	0.000%	539,567	0	2025-03-31
iShares S&P Small-Cap 600 Value ETF	1.387%	1.220%	488,018	5,883	2023-08-31
Vanguard Extended Market Index Investor	1.367%	-0.034%	480,866	-164	2023-08-31
Hotchkis & Wiley Sm Cp Divers Val I	1.190%	-10.763%	418,700	-50,500	2023-12-31
Robeco BP US Premium Equities IH €	1.077%	-4.629%	376,675	-18,281	2022-10-31
Fidelity® Value	1.066%	0.000%	374,726	0	2023-04-30
Fidelity Small Cap Index	1.030%	6.941%	364,101	23,631	2024-06-30
Principal SmallCap Value II Instl	1.002%	0.000%	352,486	0	2023-12-31
Invesco S&P SmallCap 600 Revenue ETF	1.001%	0.199%	352,098	700	2023-08-31
Invesco FTSE RAFI US 1500 Small-Mid ETF	0.965%	0.000%	342,349	0	2025-02-28
Fidelity® Small Cap Index	0.961%	2.557%	338,266	8,434	2023-10-31
Vanguard Strategic Small-Cap Equity Inv	0.925%	0.000%	329,784	0	2025-03-31
iShares Russell 2000 Value ETF	0.924%	-0.132%	326,025	-432	2024-05-30
Vanguard Tax-Managed Small Cap Adm	0.877%	0.000%	308,711	0	2023-08-31
SPDR® Portfolio S&P 600 Sm Cap ETF	0.847%	-0.046%	297,862	-138	2023-08-31
Schwab Fundamental U.S. Small CompanyETF	0.772%	0.000%	275,032	0	2025-04-30
SPDR® S&P 600 Small Cap Value ETF	0.754%	0.208%	265,373	552	2023-08-31
Bridgeway Small Cap Value	0.744%	0.000%	263,000	0	2024-06-30
Bridgeway Small-Cap Value	0.743%	0.000%	263,000	0	2024-06-30
Invesco RAFI US 1500 Small-Mid ETF	0.681%	-0.219%	242,794	-533	2025-04-30
DePrince, Race & Zollo, Micro Cap Val	0.682%	0.000%	240,339	0	2024-02-29
ICON Natural Resources and Infras Instl	0.682%	133.010%	240,000	137,000	2023-09-30
DFA US Targeted Value I	0.681%	-14.397%	238,093	-40,044	2022-09-30
DFA US Small Cap Value I	0.629%	2.924%	220,961	6,277	2023-05-31
SEI Small Cap F (SIMT)	0.617%	0.000%	218,452	0	2024-06-30
Russell Inv US Small Cap Equity E	0.573%	0.000%	201,944	0	2024-02-29
Fidelity Extended Market Index	0.550%	1.529%	195,884	2,950	2025-03-31
CT American Smaller Coms(US) InstAccGBP	0.501%	0.252%	175,366	440	2022-09-30
Victory Market Neutral Income I	0.496%	0.000%	174,317	174,317	2022-12-31
DFA US Core Equity 2 I	0.479%	0.000%	168,225	0	2023-03-31
Fidelity® Extended Market Index	0.477%	15.071%	167,883	21,988	2023-11-30
Principal SmallCap S&P 600 Idx SP	0.480%	0.000%	167,737	0	2022-11-30
Schwab US Small-Cap ETF™	0.464%	0.000%	164,066	0	2024-08-31
Towle Deep Value	0.462%	-1.830%	162,534	-3,030	2023-06-30
State St Russell Sm/Mid Cp® Indx NL Cl C	0.448%	-28.301%	158,566	-62,588	2024-06-30
Vanguard High Dividend Yield ETF	0.445%	0.544%	156,571	847	2023-08-31
State St Russell Sm Cap® Indx SL Cl I	0.372%	0.000%	131,417	0	2024-05-31
Vanguard Russell 2000 ETF	0.371%	-0.764%	130,912	-1,008	2024-05-31
SEI Small Cap A (SIIT)	0.305%	0.000%	108,090	0	2024-06-30
Multi-Manager Small Cap Eq Strat Inst	0.288%	-10.651%	102,080	-12,168	2024-06-30
SEI Small Cap II A (SIIT)	0.280%	-8.759%	98,964	-9,500	2024-06-30
NT R2000 Value Index Fund - NL	0.278%	-1.076%	98,133	-1,067	2023-12-31
NT R2000 Index Fund - NL	0.230%	-16.208%	81,365	-15,738	2024-06-30
BlackRock Extended Equity Market K	0.224%	-0.043%	79,307	-34	2024-09-30
Extended Equity Market Fund K	0.220%	0.307%	78,470	240	2025-03-31
iShares Micro-Cap ETF	0.213%	0.000%	76,046	0	2025-04-30
Vanguard Materials ETF	0.208%	-4.815%	74,013	-3,744	2025-04-30
Northern Trust Russell 2000 Value Index	0.204%	2.558%	72,164	1,800	2024-06-30
NT R2000 Value Index Fund - L	0.204%	2.558%	72,164	1,800	2024-06-30
Fidelity Enhanced Small Cap ETF	0.198%	0.000%	70,439	0	2025-04-30
FCH M&G Global Dividend Z USD Cap	0.194%	0.000%	69,087	0	2024-09-30
Fidelity Total Market Index	0.187%	0.000%	66,627	0	2025-03-31
iShares U.S. Small-Cap Eq Fac ETF	0.184%	0.000%	65,103	0	2024-11-30
NT R2000 Index Fund - DC - NL - 2	0.182%	-16.505%	64,386	-12,728	2024-06-30
iShares Core S&P Total US Stock Mkt ETF	0.179%	0.047%	63,819	30	2025-04-30
BTG Jyn FIA	0.179%	0.000%	63,661	0	2025-03-31
Schwab Fundamental US Small Company Idx	0.155%	0.000%	55,382	0	2025-04-30
Fidelity Series Total Market Index	0.135%	4.129%	47,995	1,903	2025-03-31
Northern Trust Extended Eq Market Idx	0.127%	12.581%	45,279	5,060	2025-03-31
NT Ext Equity Mkt Idx Fd - L	0.127%	12.581%	45,279	5,060	2025-03-31
Fidelity VIP Disciplined Small Cap Init	0.120%	0.000%	42,860	0	2025-02-28
Thrivent Moderate Allocation	0.116%	0.000%	41,006	0	2024-09-30
FTSE RAFI US 1500 Mid Small Index Fd F	0.107%	34.553%	37,812	9,710	2024-12-31