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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
PI
126
PEAK6 Investments
Illinois
$558K +$86.4K +1,416 +19%
AIM
127
Aigen Investment Management
New York
$556K +$533K +8,733 New
ACI
128
AMP Capital Investors
Australia
$545K -$1.37M -22,377 -72%
Cetera Investment Advisers
129
Cetera Investment Advisers
Illinois
$540K +$518K +8,489 New
PP
130
Paloma Partners
Connecticut
$539K +$516K +8,456 New
BC
131
Bridgefront Capital
Texas
$532K +$509K +8,348 New
HSBC Holdings
132
HSBC Holdings
United Kingdom
$531K -$384K -6,293 -43%
GCP
133
GSA Capital Partners
United Kingdom
$525K +$503K +8,247 New
OSAM
134
O'Shaughnessy Asset Management
Connecticut
$500K +$109K +1,779 +29%
MGIM
135
M&G Investment Management
United Kingdom
$490K -$6.16M -101,000 -1%
PPCM
136
Pillar Pacific Capital Management
California
$478K
Two Sigma Investments
137
Two Sigma Investments
New York
$471K +$452K +7,400 New
II
138
Inspire Investing
Idaho
$456K +$437K +7,168 New
Mitsubishi UFJ Trust & Banking
139
Mitsubishi UFJ Trust & Banking
Japan
$433K +$28.4K +465 +6%
RFG
140
Range Financial Group
Oregon
$418K +$400K +6,559 New
Royal Bank of Canada
141
Royal Bank of Canada
Ontario, Canada
$401K -$701K -11,482 -65%
SM
142
Sciencast Management
New Jersey
$399K +$390K +6,395 New
CIM
143
CIM Investment Management
Pennsylvania
$375K -$21.4K -351 -6%
Public Employees Retirement Association of Colorado
144
Public Employees Retirement Association of Colorado
Colorado
$373K
PP
145
PDT Partners
New York
$360K +$345K +5,659 New
MA
146
Mutual Advisors
Nebraska
$353K -$1.94M -31,793 -85%
HighTower Advisors
147
HighTower Advisors
Illinois
$339K -$925K -15,163 -74%
Creative Planning
148
Creative Planning
Kansas
$320K +$305 +5 +0.1%
SWA
149
SFMG Wealth Advisors
Texas
$319K +$427 +7 +0.1%
PA
150
Profund Advisors
Maryland
$315K +$302K +4,951 New

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.