Trinseo
TSE was delisted on the 27th of February, 2026.
216 hedge funds and large institutions have $3.1B invested in Trinseo in 2017 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 82 increasing their positions, 69 reducing their positions, and 31 closing their positions.
32% more first-time investments, than exits
New positions opened: 41 | Existing positions closed: 31
19% more repeat investments, than reductions
Existing positions increased: 82 | Existing positions reduced: 69
7% more capital invested
Capital invested by funds: $2.89B → $3.1B (+$214M)
4% more funds holding
Funds holding: 208 → 216 (+8)
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
0.58% less ownership
Funds ownership: 98.36% → 97.77% (-0.58%)
71% less call options, than puts
Call options by funds: $821K | Put options by funds: $2.86M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Boston Partners
Boston,
Massachusetts
|
+$165M |
| 2 |
Westfield Capital Management
Boston,
Massachusetts
|
+$33.6M |
| 3 |
LSV Asset Management
Chicago,
Illinois
|
+$28.1M |
| 4 |
RCAMU
Rothschild & Co Asset Management US
Stamford,
Connecticut
|
+$21.2M |
| 5 |
PP
Prudential plc
London, England,
United Kingdom
|
+$17.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$49.2M |
| 2 |
IAM
Impala Asset Management
Palm Beach,
Florida
|
-$46.8M |
| 3 |
Point72 Asset Management
Stamford,
Connecticut
|
-$46.1M |
| 4 |
Goldman Sachs
New York
|
-$36.9M |
| 5 |
LM
Luminus Management
Houston,
Texas
|
-$33.1M |
TSE Hedge Fund Activity: Q4 2017 in Review
216 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q4 2017, worth a combined $3.1B — up 7.4% from $2.89B a quarter earlier.
Buyers outnumbered sellers: 41 funds opened new TSE positions and 31 closed out — a net gain of 10 holders — while 82 added to existing stakes and 69 trimmed.
The largest buyer was Boston Partners, opening a new position worth an estimated $165M. The largest seller was Millennium Management, exiting entirely with an estimated $49.2M sold.
- 216 institutional investors held Trinseo (TSE) as of Q4 2017, up from 208 in Q3 2017.
- Funds reported $3.1B of Trinseo stock for Q4 2017, up 7.4% quarter-over-quarter.
- 41 funds opened new Trinseo positions in Q4 2017 and 31 closed out, a net change of +10 holders.
- The largest Trinseo buyer in Q4 2017 was Boston Partners, an estimated $165M added.
- The largest Trinseo seller in Q4 2017 was Millennium Management, an estimated $49.2M sold.
Based on aggregated 13F filings for Q4 2017.