Trinseo
TSE • NYSE
Trinseo is a chemicals - specialty company in the basic materials sector on NYSE, with a market cap of $22.7M. As of Q3 2025, 72% of shares are held by 74 institutional investors, with M&G Plc as the largest holder at 21.21%.
Market Cap$22.7M
Chemicals - Specialty
Basic Materials
Employees3.1K
Websitetrinseo.com
Country
United States of America
Overview
Overview of institutional ownership in TSE as of Q3 2025 with a market cap of $84.5M
All Institutions
- Institutions
- 74
- Value Held
- $60.4M
- Shares Held
- 26.8M
- Avg Position
- $816.6K
- Median Position
- $62.7K
Hedge Funds
- Hedge Funds
- 11
- Value Held
- $22.6M
- Shares Held
- 9.6M
- Avg Position
- $2.1M
- Median Position
- $661.0K
Ownership Breakdown
Based on market cap of $84.5M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in TSE as of Q3 2025
| Institution | Position Value |
|---|---|
M M&G Plc Institution | $15.3M 0.08% of portfolio |
N Nut Tree Capital Management, LP Hedge Fund•Distressed | $8.2M 2.22% of portfolio |
C CastleKnight Management LP Hedge Fund•Event Driven | $5.8M 0.31% of portfolio |
B BlackRock, Inc. Institution | $5.6M 0.00% of portfolio |
O Owl Creek Asset Management, L.P. Hedge Fund•Multi-Strategy | $3.9M 0.45% of portfolio |
 SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager | $3.5M 0.00% of portfolio |
 BRIGHTLINE CAPITAL MANAGEMENT, LLC Hedge Fund•Value | $2.5M 1.02% of portfolio |
 ICON ADVISERS INC/CO Long Only Manager | $2.4M 0.53% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $2.0M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $1.8M 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for TSE in Q3 2025
- Traded
- −$1.7M
- Buyers
- 38
- Sellers
- 36
- Total Bought
- +$3.6M
- Total Sold
- −$5.3M
- Avg Position
- $636.0K
Biggest Buyers
| Institution | Net Bought |
|---|---|
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager | +$1.3M +542.2K shares |
ICON ADVISERS INC/CO Long Only Manager | +$587.5K +250.0K shares |
A Alta Fundamental Advisers LLC Hedge Fund•Multi-Strategy | +$359.5K +153.0K shares |
B BlackRock, Inc. Institution | +$269.2K +114.5K shares |
 Voleon Capital Management LP Hedge Fund•Quant | +$192.9K +82.1K shares |
 BANK OF AMERICA CORP /DE/ Institution | +$142.6K +60.7K shares |
 STATE STREET CORP Institution | +$100.1K +42.6K shares |
 Mariner Wealth Advisors, LLC RIA/Wealth | +$92.1K +39.2K shares |
BRIGHTLINE CAPITAL MANAGEMENT, LLC Hedge Fund•Value | +$89.3K +38.0K shares |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$86.2K +36.7K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 ACADIAN ASSET MANAGEMENT LLC Long Only Manager | −$755.0K −242.0K shares |
VANGUARD GROUP INC Institution | −$754.4K −321.0K shares |
C CastleKnight Management LP Hedge Fund•Event Driven | −$703.6K −299.4K shares |
 Marshall Wace LLP Institution | −$594.0K −190.4K shares |
D D. E. Shaw & Co., Inc. Institution | −$397.5K −169.2K shares |
 THRIVENT FINANCIAL FOR LUTHERANS Insurance Manager | −$362.7K −116.2K shares |
 TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | −$233.6K −99.4K shares |
 Engineers Gate Manager LP Hedge Fund•Quant | −$227.2K −72.8K shares |
 FMR LLC Institution | −$158.5K −67.4K shares |
 Invesco Ltd. ETF Provider | −$149.1K −63.5K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited TSE in Q3 2025
- New Positions
- 3
- New Value
- $193.4K
- Exited Positions
- 21
- Exited Value
- $2.7M
New Positions
| Institution | Position Value |
|---|---|
Voleon Capital Management LP Hedge Fund•Quant | $192.9K 82.1K shares |
B Bare Financial Services, Inc Institution | $491.0 209.0 shares |
 Sunbelt Securities, Inc. RIA/Wealth | $7.0 3.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
ACADIAN ASSET MANAGEMENT LLC Long Only Manager | $755.0K 242.0K shares |
Marshall Wace LLP Institution | $594.0K 190.4K shares |
THRIVENT FINANCIAL FOR LUTHERANS Insurance Manager | $362.7K 116.2K shares |
Engineers Gate Manager LP Hedge Fund•Quant | $227.2K 72.8K shares |
 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC Hedge Fund•Distressed | $143.2K 45.9K shares |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $139.2K 44.6K shares |
 LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC Long Only Manager | $108.5K 34.8K shares |
 Cetera Investment Advisers RIA/Wealth | $78.6K 25.2K shares |
 MEEDER ASSET MANAGEMENT INC Long Only Manager | $50.3K 16.1K shares |
 Sugar Maple Asset Management, LLC RIA/Wealth | $40.6K 13.0K shares |
Options Activity
Institutions with the largest Call and Put options positions in TSE as of Q3 2025
- Call Positions
- 1
- Call Value
- -
- Put Positions
- 1
- Put Value
- $45.7K
Call Positions
| Institution | Position Value |
|---|---|
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
W WOLVERINE TRADING, LLC Institution | $45.7K 193.0 contracts |
Most Committed Institutions
Institutions with TSE as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
N Nut Tree Capital Management, LP Hedge Fund•Distressed | 2.22% $8.2M |
BRIGHTLINE CAPITAL MANAGEMENT, LLC Hedge Fund•Value | 1.02% $2.5M |
ICON ADVISERS INC/CO Long Only Manager | 0.53% $2.4M |
O Owl Creek Asset Management, L.P. Hedge Fund•Multi-Strategy | 0.45% $3.9M |
C CastleKnight Management LP Hedge Fund•Event Driven | 0.31% $5.8M |
A Alta Fundamental Advisers LLC Hedge Fund•Multi-Strategy | 0.17% $359.5K |
M M&G Plc Institution | 0.08% $15.3M |
 LAKEWOOD CAPITAL MANAGEMENT, LP Hedge Fund•Long/Short | 0.05% $661.0K |
K Kohmann Bosshard Financial Services, LLC RIA/Wealth | 0.01% $104.8K |
J JB CAPITAL PARTNERS LP Hedge Fund•Value | 0.01% $63.5K |
Hedge Fund Spotlight
Discover hedge funds investing in TSE
J
JB CAPITAL PARTNERS LP
Hedge Fund • Value
Portfolio ManagerAlan Wayne Weber
- Portfolio Value
- $584.1M
- Positions
- 85
- Last Reported
- Q3 2025
Sector Allocation
Position in Trinseo
- Market Value
- $63.5K
- Shares Held
- 27.0K
- Portfolio Weight
- 0.01%
- Owned Since
- 2021-Q1
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Medical - Diagnostics & Research Healthcare | $108.5M | 18.58% | |
Manufacturing - Metal Fabrication Industrials | $48.6M | 8.32% | |
Engineering & Construction Industrials | $47.2M | 8.08% |
