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TSE

Trinseo

Delisted

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

208 hedge funds and large institutions have $1.77B invested in Trinseo in 2021 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 58 increasing their positions, 76 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

77% more call options, than puts

Call options by funds: $15.9M | Put options by funds: $8.97M

38% more first-time investments, than exits

New positions opened: 51 | Existing positions closed: 37

21% more capital invested

Capital invested by funds: $1.47B → $1.77B (+$308M)

6% more funds holding

Funds holding: 196208 (+12)

2.57% less ownership

Funds ownership: 95.06%92.5% (-2.6%)

24% less repeat investments, than reductions

Existing positions increased: 58 | Existing positions reduced: 76

29% less funds holding in top 10

Funds holding in top 10: 75 (-2)

Holders
208
Holders Change
+12
Holders Change %
+6.12%
% of All Funds
3.65%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.09%
New
51
Increased
58
Reduced
76
Closed
37
Calls
$15.9M
Puts
$8.97M
Net Calls
+$6.92M
Net Calls Change
+$3.64M
Name Holding Trade Value Shares
Change
Change in
Stake
2L
26
22NW LP
Washington
$14.7M
Ameriprise
27
Ameriprise
Minnesota
$13.4M -$1.18M -19,306 -8%
Balyasny Asset Management
28
Balyasny Asset Management
Illinois
$13M +$11.5M +187,986 +1,171%
JCP
29
JB Capital Partners
New York
$10.6M +$10.2M +167,001 New
American Century Companies
30
American Century Companies
Missouri
$10.6M +$1.38M +22,543 +16%
Renaissance Technologies
31
Renaissance Technologies
New York
$9.95M -$5.8M -95,000 -38%
Legal & General Group
32
Legal & General Group
United Kingdom
$9.8M +$421K +6,898 +5%
Morgan Stanley
33
Morgan Stanley
New York
$9.29M +$741K +12,148 +9%
Hotchkis & Wiley Capital Management
34
Hotchkis & Wiley Capital Management
California
$8.31M -$956K -15,668 -11%
RhumbLine Advisers
35
RhumbLine Advisers
Massachusetts
$7.75M -$14.6K -240 -0.2%
Goldman Sachs
36
Goldman Sachs
New York
$7.01M +$316K +5,184 +5%
Nordea Investment Management
37
Nordea Investment Management
Sweden
$6.93M +$584K +9,571 +10%
Acadian Asset Management
38
Acadian Asset Management
Massachusetts
$6.4M +$5.78M +94,650 +1,612%
Two Sigma Advisers
39
Two Sigma Advisers
New York
$6.19M +$763K +12,500 +15%
Russell Investments Group
40
Russell Investments Group
United Kingdom
$6.16M -$219K -3,582 -4%
LPL Financial
41
LPL Financial
California
$6M -$648K -10,628 -10%
CSS
42
Cubist Systematic Strategies
Connecticut
$5.99M +$2.51M +41,164 +78%
Arrowstreet Capital
43
Arrowstreet Capital
Massachusetts
$5.8M -$20.7M -339,521 -79%
SSCM
44
Summit Street Capital Management
New York
$5.41M -$3.44M -56,446 -40%
SFM
45
Systematic Financial Management
New Jersey
$5.32M -$414K -6,790 -8%
Public Sector Pension Investment Board (PSP Investments)
46
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$5.03M -$350K -5,740 -7%
Victory Capital Management
47
Victory Capital Management
Texas
$4.68M +$1.11M +18,139 +33%
California Public Employees Retirement System
48
California Public Employees Retirement System
California
$4.61M -$1.12M -18,357 -20%
Swiss National Bank
49
Swiss National Bank
Switzerland
$4.46M +$48.8K +800 +1%
AI
50
Atom Investors
Texas
$4.17M -$1.15M -18,818 -22%

TSE Hedge Fund Activity: Q1 2021 in Review

208 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q1 2021, worth a combined $1.77B — up 21% from $1.47B a quarter earlier.

Buyers outnumbered sellers: 51 funds opened new TSE positions and 37 closed out — a net gain of 14 holders — while 58 added to existing stakes and 76 trimmed.

The largest buyer was BlackRock, adding an estimated $17M. The largest seller was Towle & Co, exiting entirely with an estimated $38.2M sold.

  • 208 institutional investors held Trinseo (TSE) as of Q1 2021, up from 196 in Q4 2020.
  • Funds reported $1.77B of Trinseo stock for Q1 2021, up 21% quarter-over-quarter.
  • 51 funds opened new Trinseo positions in Q1 2021 and 37 closed out, a net change of +14 holders.
  • The largest Trinseo buyer in Q1 2021 was BlackRock, an estimated $17M added.
  • The largest Trinseo seller in Q1 2021 was Towle & Co, an estimated $38.2M sold.

Based on aggregated 13F filings for Q1 2021.