Trinseo
TSE was delisted on the 27th of February, 2026.
143 hedge funds and large institutions have $242M invested in Trinseo in 2023 Q3 according to their latest regulatory filings, with 32 funds opening new positions, 44 increasing their positions, 47 reducing their positions, and 33 closing their positions.
1% less funds holding
Funds holding: 144 → 143 (-1)
3% less first-time investments, than exits
New positions opened: 32 | Existing positions closed: 33
6% less repeat investments, than reductions
Existing positions increased: 44 | Existing positions reduced: 47
9.28% less ownership
Funds ownership: 93.53% → 84.25% (-9.3%)
13% less call options, than puts
Call options by funds: $1.96M | Put options by funds: $2.26M
42% less capital invested
Capital invested by funds: $418M → $242M (-$177M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$16.3M |
| 2 |
Hotchkis & Wiley Capital Management
Los Angeles,
California
|
+$4.83M |
| 3 |
CSS
Cubist Systematic Strategies
Stamford,
Connecticut
|
+$4.5M |
| 4 |
DRZID
DePrince Race & Zollo Inc (DRZ)
Winter Park,
Florida
|
+$4.14M |
| 5 |
Marshall Wace
London,
United Kingdom
|
+$4.04M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$40M |
| 2 |
Fisher Asset Management
Camas,
Washington
|
-$17.4M |
| 3 |
TC
Towle & Co
Denver,
Colorado
|
-$15M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
-$8.64M |
| 5 |
State Street
Boston,
Massachusetts
|
-$7.07M |
TSE Hedge Fund Activity: Q3 2023 in Review
143 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q3 2023, worth a combined $242M — down 42% from $418M a quarter earlier.
Sellers outnumbered buyers: 33 funds closed out of TSE and 32 opened new positions — a net loss of 1 holder — while 47 trimmed existing stakes and 44 added.
The largest buyer was Millennium Management, adding an estimated $16.3M. The largest seller was BlackRock, cutting an estimated $40M.
- 143 institutional investors held Trinseo (TSE) as of Q3 2023, down from 144 in Q2 2023.
- Funds reported $242M of Trinseo stock for Q3 2023, down 42% quarter-over-quarter.
- 32 funds opened new Trinseo positions in Q3 2023 and 33 closed out, a net change of -1 holder.
- The largest Trinseo buyer in Q3 2023 was Millennium Management, an estimated $16.3M added.
- The largest Trinseo seller in Q3 2023 was BlackRock, an estimated $40M sold.
Based on aggregated 13F filings for Q3 2023.