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TSE

Trinseo

Delisted

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

165 hedge funds and large institutions have $695M invested in Trinseo in 2023 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 51 increasing their positions, 57 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.52% more ownership

Funds ownership: 93.7%95.21% (+1.5%)

4% less capital invested

Capital invested by funds: $726M → $695M (-$30.4M)

9% less funds holding

Funds holding: 181165 (-16)

11% less repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 57

39% less first-time investments, than exits

New positions opened: 22 | Existing positions closed: 36

66% less call options, than puts

Call options by funds: $2.66M | Put options by funds: $7.88M

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
165
Holders Change
-16
Holders Change %
-8.84%
% of All Funds
2.63%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
22
Increased
51
Reduced
57
Closed
36
Calls
$2.66M
Puts
$7.88M
Net Calls
-$5.22M
Net Calls Change
-$4.08M
Name Holding Trade Value Shares
Change
Change in
Stake
MGIM
1
M&G Investment Management
United Kingdom
$160M
BlackRock
2
BlackRock
New York
$121M -$61.7K -2,521 -0%
Fuller & Thaler Asset Management
3
Fuller & Thaler Asset Management
California
$33.3M -$20.7K -845 -0.1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$32.7M +$417K +17,050 +1%
State Street
5
State Street
Massachusetts
$29.5M -$9.22K -377 -0%
Fisher Asset Management
6
Fisher Asset Management
Washington
$27.5M +$9.31M +380,745 +40%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$26M +$8.16M +333,721 +36%
TC
8
Towle & Co
Colorado
$23.8M -$253K -10,340 -0.9%
Charles Schwab
9
Charles Schwab
California
$17.1M +$2.24M +91,424 +13%
Jacobs Levy Equity Management
10
Jacobs Levy Equity Management
New Jersey
$15.9M +$1.42M +57,913 +8%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$13.9M +$404K +16,531 +3%
LSV Asset Management
12
LSV Asset Management
Illinois
$11.7M -$12.6M -513,078 -48%
Citadel Advisors
13
Citadel Advisors
Florida
$10.5M +$5.41M +221,118 +78%
Morgan Stanley
14
Morgan Stanley
New York
$10.1M -$993K -40,599 -8%
Fidelity Investments
15
Fidelity Investments
Massachusetts
$9.6M +$4.75K +194 +0%
Invesco
16
Invesco
Georgia
$9.23M +$1.53M +62,546 +16%
Hotchkis & Wiley Capital Management
17
Hotchkis & Wiley Capital Management
California
$9.02M +$870K +35,550 +9%
Northern Trust
18
Northern Trust
Illinois
$8.27M -$95.6K -3,909 -1%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$7.64M +$56.2K +2,296 +0.6%
Norges Bank
20
Norges Bank
Norway
$5.88M -$979K -40,024 -12%
Renaissance Technologies
21
Renaissance Technologies
New York
$5.58M -$1.99M -81,200 -23%
Goldman Sachs
22
Goldman Sachs
New York
$5.56M +$702K +28,696 +12%
Ameriprise
23
Ameriprise
Minnesota
$5.49M +$1.1M +44,793 +20%
DRZID
24
DePrince Race & Zollo Inc (DRZ)
Florida
$4.97M +$5.84M +238,526 New
Principal Financial Group
25
Principal Financial Group
Iowa
$4.4M -$63.6K -2,600 -1%

TSE Hedge Fund Activity: Q1 2023 in Review

165 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q1 2023, worth a combined $695M — down 4.2% from $726M a quarter earlier.

Sellers outnumbered buyers: 36 funds closed out of TSE and 22 opened new positions — a net loss of 14 holders — while 57 trimmed existing stakes and 51 added.

The largest buyer was Fisher Asset Management, adding an estimated $9.31M. The largest seller was LSV Asset Management, cutting an estimated $12.6M.

  • 165 institutional investors held Trinseo (TSE) as of Q1 2023, down from 181 in Q4 2022.
  • Funds reported $695M of Trinseo stock for Q1 2023, down 4.2% quarter-over-quarter.
  • 22 funds opened new Trinseo positions in Q1 2023 and 36 closed out, a net change of -14 holders.
  • The largest Trinseo buyer in Q1 2023 was Fisher Asset Management, an estimated $9.31M added.
  • The largest Trinseo seller in Q1 2023 was LSV Asset Management, an estimated $12.6M sold.

Based on aggregated 13F filings for Q1 2023.