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TSE

Trinseo

Delisted

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

128 hedge funds and large institutions have $241M invested in Trinseo in 2023 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 47 increasing their positions, 46 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

11% more call options, than puts

Call options by funds: $1.3M | Put options by funds: $1.17M

2% more repeat investments, than reductions

Existing positions increased: 47 | Existing positions reduced: 46

0% less capital invested

Capital invested by funds: $242M → $241M (-$559K)

1.53% less ownership

Funds ownership: 84.33%82.81% (-1.5%)

11% less funds holding

Funds holding: 144128 (-16)

41% less first-time investments, than exits

New positions opened: 23 | Existing positions closed: 39

Holders
128
Holders Change
-16
Holders Change %
-11.11%
% of All Funds
1.86%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
23
Increased
47
Reduced
46
Closed
39
Calls
$1.3M
Puts
$1.17M
Net Calls
+$131K
Net Calls Change
+$435K

TSE Hedge Fund Activity: Q4 2023 in Review

128 of the 6,869 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q4 2023, worth a combined $241M — down 0.23% from $242M a quarter earlier.

Sellers outnumbered buyers: 39 funds closed out of TSE and 23 opened new positions — a net loss of 16 holders — while 46 trimmed existing stakes and 47 added.

The largest buyer was Hotchkis & Wiley Capital Management, adding an estimated $3.39M. The largest seller was Millennium Management, cutting an estimated $2.9M.

  • 128 institutional investors held Trinseo (TSE) as of Q4 2023, down from 144 in Q3 2023.
  • Funds reported $241M of Trinseo stock for Q4 2023, down 0.23% quarter-over-quarter.
  • 23 funds opened new Trinseo positions in Q4 2023 and 39 closed out, a net change of -16 holders.
  • The largest Trinseo buyer in Q4 2023 was Hotchkis & Wiley Capital Management, an estimated $3.39M added.
  • The largest Trinseo seller in Q4 2023 was Millennium Management, an estimated $2.9M sold.

Based on aggregated 13F filings for Q4 2023.