Trinseo
TSE was delisted on the 27th of February, 2026.
190 hedge funds and large institutions have $1.82B invested in Trinseo in 2019 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 76 increasing their positions, 67 reducing their positions, and 29 closing their positions.
13% more repeat investments, than reductions
Existing positions increased: 76 | Existing positions reduced: 67
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
0.52% less ownership
Funds ownership: 97.87% → 97.36% (-0.52%)
4% less capital invested
Capital invested by funds: $1.9B → $1.82B (-$76.3M)
2% less funds holding
Funds holding: 193 → 190 (-3)
10% less first-time investments, than exits
New positions opened: 26 | Existing positions closed: 29
25% less call options, than puts
Call options by funds: $1.95M | Put options by funds: $2.59M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PP
Prudential plc
London, England,
United Kingdom
|
+$31.3M |
| 2 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$12M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
+$11.1M |
| 4 |
Grantham, Mayo, Van Otterloo & Co (GMO)
Boston,
Massachusetts
|
+$9.88M |
| 5 |
Man Group
London,
United Kingdom
|
+$5.96M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Boston Partners
Boston,
Massachusetts
|
-$81.7M |
| 2 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$14.5M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
-$9.7M |
| 4 |
FIM
Foresters Investment Management
New York
|
-$9.6M |
| 5 |
QCI
Quaker Capital Investments
Mount Lebanon,
Pennsylvania
|
-$6.95M |
TSE Hedge Fund Activity: Q1 2019 in Review
190 of the 4,620 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q1 2019, worth a combined $1.82B — down 4% from $1.9B a quarter earlier.
Sellers outnumbered buyers: 29 funds closed out of TSE and 26 opened new positions — a net loss of 3 holders — while 67 trimmed existing stakes and 76 added.
The largest buyer was Prudential plc, adding an estimated $31.3M. The largest seller was Boston Partners, cutting an estimated $81.7M.
- 190 institutional investors held Trinseo (TSE) as of Q1 2019, down from 193 in Q4 2018.
- Funds reported $1.82B of Trinseo stock for Q1 2019, down 4% quarter-over-quarter.
- 26 funds opened new Trinseo positions in Q1 2019 and 29 closed out, a net change of -3 holders.
- The largest Trinseo buyer in Q1 2019 was Prudential plc, an estimated $31.3M added.
- The largest Trinseo seller in Q1 2019 was Boston Partners, an estimated $81.7M sold.
Based on aggregated 13F filings for Q1 2019.