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TSE

Trinseo

Delisted

TSE was delisted on the 27th of February, 2026.

225 hedge funds and large institutions have $3.27B invested in Trinseo in 2018 Q3 according to their latest regulatory filings, with 22 funds opening new positions, 87 increasing their positions, 89 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

19% more call options, than puts

Call options by funds: $4.24M | Put options by funds: $3.56M

10% more capital invested

Capital invested by funds: $2.98B → $3.27B (+$297M)

1% more ownership

Funds ownership: 97.11%98.11% (+1%)

1% less funds holding

Funds holding: 227225 (-2)

2% less repeat investments, than reductions

Existing positions increased: 87 | Existing positions reduced: 89

4% less first-time investments, than exits

New positions opened: 22 | Existing positions closed: 23

20% less funds holding in top 10

Funds holding in top 10: 54 (-1)

Holders
225
Holders Change
-2
Holders Change %
-0.88%
% of All Funds
5.12%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.09%
New
22
Increased
87
Reduced
89
Closed
23
Calls
$4.24M
Puts
$3.56M
Net Calls
+$674K
Net Calls Change
+$7.71M

TSE Hedge Fund Activity: Q3 2018 in Review

225 of the 4,391 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q3 2018, worth a combined $3.27B — up 10% from $2.98B a quarter earlier.

Sellers outnumbered buyers: 23 funds closed out of TSE and 22 opened new positions — a net loss of 1 holder — while 89 trimmed existing stakes and 87 added.

The largest buyer was Artemis Investment Management, opening a new position worth an estimated $29.2M. The largest seller was Millennium Management, cutting an estimated $54.5M.

  • 225 institutional investors held Trinseo (TSE) as of Q3 2018, down from 227 in Q2 2018.
  • Funds reported $3.27B of Trinseo stock for Q3 2018, up 10% quarter-over-quarter.
  • 22 funds opened new Trinseo positions in Q3 2018 and 23 closed out, a net change of -1 holder.
  • The largest Trinseo buyer in Q3 2018 was Artemis Investment Management, an estimated $29.2M added.
  • The largest Trinseo seller in Q3 2018 was Millennium Management, an estimated $54.5M sold.

Based on aggregated 13F filings for Q3 2018.