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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
QT
226
Quantamental Technologies
New York
-$244K -4,763 Closed
BFM
227
Boothbay Fund Management
New York
-$225K -4,400 Closed
GC
228
Guggenheim Capital
Illinois
-$214K -4,182 Closed
Robeco Institutional Asset Management
229
Robeco Institutional Asset Management
Netherlands
-$198K -3,870 Closed
Simplex Trading
230
Simplex Trading
Illinois
-$184K -3,019 Closed
FTDI
231
First Trust Direct Indexing
Massachusetts
-$82K -1,609 Closed
EWA
232
Evolution Wealth Advisors
Florida
-$51K -1,000 Closed
BBHC
233
Brown Brothers Harriman & Co
New York
-$31K -602 Closed
IRC
234
Investors Research Corp
Georgia
-$26K -500 Closed
VFA
235
Valeo Financial Advisors
Indiana
-$26K -500 Closed
OIM
236
Oder Investment Management
California
-$24K -463 Closed
PWPS
237
Pinnacle Wealth Planning Services
Ohio
-$11K -224 Closed
VCG
238
Vantage Consulting Group
Virginia
-$9K -172 Closed
ASN
239
Advisory Services Network
Georgia
-$3K -62 Closed
HR
240
Howe & Rusling
New York
-$1K -26 Closed
FF
241
FourThought Financial
Florida
-$1K -16 Closed
HGWM
242
Harvest Group Wealth Management
Massachusetts
-$1K -13 Closed
TF
243
Tompkins Financial
New York
-$1K -10 Closed
FHA
244
First Horizon Advisors
Tennessee
+$61 +1 New
IAIM
245
International Assets Investment Management
Florida
+$183 +3 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.