We are live on ! Find out more
TSE

Trinseo

Delisted

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

196 hedge funds and large institutions have $1.47B invested in Trinseo in 2020 Q4 according to their latest regulatory filings, with 54 funds opening new positions, 49 increasing their positions, 65 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

350% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 12

133% more funds holding in top 10

Funds holding in top 10: 37 (+4)

65% more call options, than puts

Call options by funds: $8.35M | Put options by funds: $5.06M

55% more capital invested

Capital invested by funds: $948M → $1.47B (+$518M)

26% more funds holding

Funds holding: 156196 (+40)

1.27% less ownership

Funds ownership: 96.34%95.06% (-1.3%)

25% less repeat investments, than reductions

Existing positions increased: 49 | Existing positions reduced: 65

Holders
196
Holders Change
+40
Holders Change %
+25.64%
% of All Funds
3.47%
Holding in Top 10
7
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+133.33%
% of All Funds
0.12%
New
54
Increased
49
Reduced
65
Closed
12
Calls
$8.35M
Puts
$5.06M
Net Calls
+$3.29M
Net Calls Change
+$2.41M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$333M +$9.65M +253,158 +4%
AllianceBernstein
2
AllianceBernstein
Tennessee
$126M -$1.79M -46,919 -2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$78.1M +$1.71M +44,794 +3%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$74.8M +$1.35M +35,500 +2%
LSV Asset Management
5
LSV Asset Management
Illinois
$74.6M -$18.9M -496,431 -25%
State Street
6
State Street
Massachusetts
$68.7M -$492K -12,908 -1%
Fuller & Thaler Asset Management
7
Fuller & Thaler Asset Management
California
$46.9M -$1.1M -28,728 -3%
TC
8
Towle & Co
Colorado
$38.2M -$6.83M -179,307 -19%
Charles Schwab
9
Charles Schwab
California
$30.9M +$166K +4,355 +0.7%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$28.6M +$690K +18,094 +3%
Fidelity Investments
11
Fidelity Investments
Massachusetts
$28.2M +$21M +550,990 New
Northern Trust
12
Northern Trust
Illinois
$25.1M -$755K -19,812 -4%
JP Morgan Chase
13
JP Morgan Chase
New York
$23.4M -$3.83M -100,541 -18%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$23.3M -$383K -10,036 -2%
Norges Bank
15
Norges Bank
Norway
$23.1M +$719K +18,862 +4%
N
16
Nuveen
North Carolina
$22.9M -$716K -18,792 -4%
Boston Partners
17
Boston Partners
Massachusetts
$22.6M +$139K +3,653 +0.8%
Arrowstreet Capital
18
Arrowstreet Capital
Massachusetts
$22.1M -$156K -4,100 -0.9%
Jacobs Levy Equity Management
19
Jacobs Levy Equity Management
New Jersey
$21.7M +$3.67M +96,352 +30%
Principal Financial Group
20
Principal Financial Group
Iowa
$20.4M +$1.06M +27,832 +8%
Renaissance Technologies
21
Renaissance Technologies
New York
$12.9M +$1.48M +38,800 +18%
Bank of America
22
Bank of America
North Carolina
$11.9M -$726K -19,035 -8%
2L
23
22NW LP
Washington
$11.8M
Ameriprise
24
Ameriprise
Minnesota
$11.8M -$1.33M -34,992 -13%
PPA
25
Parametric Portfolio Associates
Washington
$11.7M +$266K +6,973 +3%

TSE Hedge Fund Activity: Q4 2020 in Review

196 of the 5,651 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q4 2020, worth a combined $1.47B — up 55% from $948M a quarter earlier.

Buyers outnumbered sellers: 54 funds opened new TSE positions and 12 closed out — a net gain of 42 holders — while 49 added to existing stakes and 65 trimmed.

The largest buyer was Fidelity Investments, opening a new position worth an estimated $21M. The largest seller was LSV Asset Management, cutting an estimated $18.9M.

  • 196 institutional investors held Trinseo (TSE) as of Q4 2020, up from 156 in Q3 2020.
  • Funds reported $1.47B of Trinseo stock for Q4 2020, up 55% quarter-over-quarter.
  • 54 funds opened new Trinseo positions in Q4 2020 and 12 closed out, a net change of +42 holders.
  • The largest Trinseo buyer in Q4 2020 was Fidelity Investments, an estimated $21M added.
  • The largest Trinseo seller in Q4 2020 was LSV Asset Management, an estimated $18.9M sold.

Based on aggregated 13F filings for Q4 2020.