Trinseo Ownership | Who Owns Trinseo?
Trinseo Ownership Summary
Trinseo is owned by 28.39% institutional investors, 5.64% insiders, and 65.96% retail investors. M&g is the largest institutional shareholder, holding 21.42% of TSE shares. M&G Global Dividend GBP I Acc is the top mutual fund, with 8.24% of its assets in Trinseo shares.
TSE Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Trinseo | 28.39% | 5.64% | 65.96% |
| Sector | Basic Materials Stocks | 36.61% | 12.69% | 50.70% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| M&g | 7.63M | 21.42% | $15.25M |
| Nut tree capital management, lp | 3.50M | 9.83% | $8.22M |
| Castleknight management lp | 2.47M | 6.93% | $5.80M |
| Blackrock funding, inc. /de | 2.37M | 6.66% | $5.57M |
| Owl creek asset management | 1.67M | 4.69% | $3.92M |
| Charles schwab investment management | 1.51M | 4.23% | $3.54M |
| Brightline capital management | 1.06M | 2.98% | $2.49M |
| Icon advisers inc/co | 1.00M | 2.81% | $89.92M |
| Geode capital management | 841.83K | 2.36% | $1.98M |
| Vanguard group | 755.64K | 2.12% | $1.78M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Icon advisers inc/co | 1.00M | 6.39% | $89.92M |
| Nut tree capital management, lp | 3.50M | 1.90% | $8.22M |
| Brightline capital management | 1.06M | 1.02% | $2.49M |
| Alta fundamental advisers | 152.97K | 0.15% | $359.49K |
| Owl creek asset management | 1.67M | 0.12% | $3.92M |
| Castleknight management lp | 2.47M | 0.11% | $5.80M |
| M&g | 7.63M | 0.08% | $15.25M |
| Lakewood capital management, lp | 281.28K | 0.05% | $661.01K |
| Kohmann bosshard financial services | 44.60K | 0.01% | $104.82K |
| Jb capital partners lp | 27.00K | 0.01% | $63.45K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Charles schwab investment management | 1.51M | 0.00% | 542.17K |
| Icon advisers inc/co | 1.00M | 6.39% | 250.00K |
| Alta fundamental advisers | 152.97K | 0.15% | 152.97K |
| Blackrock funding, inc. /de | 2.37M | 0.00% | 114.54K |
| Millennium management | 272.51K | 0.00% | 94.26K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jpmorgan chase | 26.32K | - | -338.12K |
| Vanguard group | 755.64K | - | -321.01K |
| Castleknight management lp | 2.47M | 0.11% | -299.40K |
| Jane street group | - | - | -267.75K |
| Acadian asset management | - | - | -241.98K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Voleon capital management lp | 82.07K | 0.00% | 82.07K | $192.87K |
| Mariner | 39.20K | 0.00% | 39.20K | $92.12K |
| Eversource wealth advisors | 5.09K | 0.00% | 5.09K | $11.96K |
| Cwm | 1.69K | - | 1.69K | $4.00K |
| Srs capital advisors | 399.00 | - | 399.00 | $938.00 |
Sold Out
| Holder | Change |
|---|---|
| Southstate | -13.00 |
| Keystone global partners | -20.00 |
| Versant capital management | -21.00 |
| Founders capital management | -200.00 |
| Federated hermes | -241.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 20 | -74.36% | 10,107,813 | -62.26% | 28 | 0.50% | 7 | -82.50% | 5 | -73.68% |
| Jun 30, 2025 | 81 | -7.95% | 27,568,006 | 9.38% | 77 | 1.54% | 42 | -2.33% | 21 | -12.50% |
| Mar 31, 2025 | 4 | -95.92% | 4,104,443 | -83.56% | 11 | 0.23% | 1 | -98.25% | 1 | -96.15% |
| Dec 31, 2024 | 98 | 32.43% | 24,972,099 | 9.01% | 70 | 1.69% | 57 | 67.65% | 25 | 8.70% |
| Sep 30, 2024 | 74 | -26.00% | 22,908,998 | -9.31% | 64 | 1.26% | 34 | -29.17% | 23 | -36.11% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| M&G Global Dividend GBP I Acc | 2.97M | 8.24% | - |
| M&G (Lux) Glb Dividend CI USD Acc | 2.83M | 7.87% | - |
| ICON Natural Resources and Infras Instl | 750.00K | 2.08% | 750.00K |
| Schwab Fundamental U.S. Small CompanyETF | 699.57K | 1.95% | 2.81K |
| iShares Russell 2000 ETF | 664.90K | 1.85% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 370.67K | 1.03% | -168.90K |
| Invesco FTSE RAFI US 1500 Small-Mid ETF | 342.35K | 0.97% | - |
| Fidelity Small Cap Index | 339.77K | 0.94% | 339.77K |
| Vanguard Strategic Small-Cap Equity Inv | 313.47K | 0.88% | -16.32K |
| iShares Russell 2000 Value ETF | 295.27K | 0.82% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 12, 2025 | FARRELL MATTHEW | - | Buy | $57.25K |
| Aug 14, 2025 | FARRELL MATTHEW | - | Buy | $118.12K |
| Aug 13, 2025 | FARRELL MATTHEW | - | Buy | $64.66K |
| Mar 14, 2025 | Frisch Johanna | VP AND TREASURER | Buy | $6.15K |
| Mar 13, 2025 | Frisch Johanna | VP AND TREASURER | Buy | $4.42K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | 3 | - |
| 2025 Q2 | - | - |
| 2025 Q1 | 3 | - |
| 2024 Q4 | - | - |
| 2024 Q3 | 4 | 1 |
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