Trinseo
TSE was delisted on the 27th of February, 2026.
80 hedge funds and large institutions have $85.4M invested in Trinseo in 2025 Q2 according to their latest regulatory filings, with 21 funds opening new positions, 21 increasing their positions, 21 reducing their positions, and 26 closing their positions.
606% more call options, than puts
Call options by funds: $113K | Put options by funds: $16K
6.6% more ownership
Funds ownership: 71.04% → 77.64% (+6.6%)
0% more repeat investments, than reductions
Existing positions increased: 21 | Existing positions reduced: 21
6% less funds holding
Funds holding: 85 → 80 (-5)
10% less capital invested
Capital invested by funds: $95.2M → $85.4M (-$9.75M)
19% less first-time investments, than exits
New positions opened: 21 | Existing positions closed: 26
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$4.94M |
| 2 |
OCAM
Owl Creek Asset Management
New York
|
+$4.25M |
| 3 |
IA
Icon Advisers
Greenwood Village,
Colorado
|
+$2.47M |
| 4 |
Charles Schwab
San Francisco,
California
|
+$1.98M |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$1.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
-$2.21M |
| 2 |
THC
Truffle Hound Capital
Bethesda,
Maryland
|
-$1.29M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$1.14M |
| 4 |
Jane Street
New York
|
-$985K |
| 5 |
Millennium Management
New York
|
-$751K |
TSE Hedge Fund Activity: Q2 2025 in Review
80 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q2 2025, worth a combined $85.4M — down 10% from $95.2M a quarter earlier.
Sellers outnumbered buyers: 26 funds closed out of TSE and 21 opened new positions — a net loss of 5 holders — while 21 trimmed existing stakes and 21 added.
The largest buyer was BlackRock, adding an estimated $4.94M. The largest seller was Marshall Wace, cutting an estimated $2.21M.
- 80 institutional investors held Trinseo (TSE) as of Q2 2025, down from 85 in Q1 2025.
- Funds reported $85.4M of Trinseo stock for Q2 2025, down 10% quarter-over-quarter.
- 21 funds opened new Trinseo positions in Q2 2025 and 26 closed out, a net change of -5 holders.
- The largest Trinseo buyer in Q2 2025 was BlackRock, an estimated $4.94M added.
- The largest Trinseo seller in Q2 2025 was Marshall Wace, an estimated $2.21M sold.
Based on aggregated 13F filings for Q2 2025.