Trinseo
TSE was delisted on the 27th of February, 2026.
72 hedge funds and large institutions have $12.3M invested in Trinseo in 2025 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 15 increasing their positions, 23 reducing their positions, and 14 closing their positions.
200% more call options, than puts
Call options by funds: $3K | Put options by funds: $1K
7% less first-time investments, than exits
New positions opened: 13 | Existing positions closed: 14
4% less funds holding
Funds holding: 75 → 72 (-3)
15.63% less ownership
Funds ownership: 74.68% → 59.04% (-16%)
35% less repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 23
80% less capital invested
Capital invested by funds: $60.4M → $12.3M (-$48.1M)
100% less funds holding in top 10
Funds holding in top 10: 2 → 0 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Charles Schwab
San Francisco,
California
|
+$699K |
| 2 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$610K |
| 3 |
Goldman Sachs
New York
|
+$542K |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$115K |
| 5 |
Morgan Stanley
New York
|
+$97.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NTCM
Nut Tree Capital Management
New York
|
-$4.17M |
| 2 |
BCM
Brightline Capital Management
Miami,
Florida
|
-$2.49M |
| 3 |
CM
CastleKnight Management
New York
|
-$2.32M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
-$386K |
| 5 |
D.E. Shaw & Co
New York
|
-$346K |
TSE Hedge Fund Activity: Q4 2025 in Review
72 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q4 2025, worth a combined $12.3M — down 80% from $60.4M a quarter earlier.
Sellers outnumbered buyers: 14 funds closed out of TSE and 13 opened new positions — a net loss of 1 holder — while 23 trimmed existing stakes and 15 added.
The largest buyer was Charles Schwab, adding an estimated $699K. The largest seller was Nut Tree Capital Management, exiting entirely with an estimated $4.17M sold.
- 72 institutional investors held Trinseo (TSE) as of Q4 2025, down from 75 in Q3 2025.
- Funds reported $12.3M of Trinseo stock for Q4 2025, down 80% quarter-over-quarter.
- 13 funds opened new Trinseo positions in Q4 2025 and 14 closed out, a net change of -1 holder.
- The largest Trinseo buyer in Q4 2025 was Charles Schwab, an estimated $699K added.
- The largest Trinseo seller in Q4 2025 was Nut Tree Capital Management, an estimated $4.17M sold.
Based on aggregated 13F filings for Q4 2025.