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TSE

Trinseo

Delisted

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

Name Holding Trade Value Shares
Change
Change in
Stake
BCI
1
Bain Capital Investors
Massachusetts
$738M
LCM
2
Lakewood Capital Management
New York
$34.2M -$4.92M -282,580 -14%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$24.3M -$259K -14,845 -1%
Bank of New York Mellon
4
Bank of New York Mellon
New York
$20.9M +$261K +14,968 +1%
FIM
5
Foresters Investment Management
New York
$20.1M +$557K +31,985 +3%
Westfield Capital Management
6
Westfield Capital Management
Massachusetts
$14.8M +$37K +2,125 +0.3%
TC
7
Towle & Co
Colorado
$13.9M +$98.4K +5,650 +0.8%
QCI
8
Quaker Capital Investments
Pennsylvania
$12.5M +$11M +633,657 New
BIT
9
BlackRock Institutional Trust
California
$8.59M -$2.86M -163,939 -27%
Citadel Advisors
10
Citadel Advisors
Florida
$8.53M -$627K -35,996 -8%
RCM
11
Redwood Capital Management
New York
$8.09M -$3.05M -175,303 -30%
PRCM
12
Pine River Capital Management
Minnesota
$6.09M
BFA
13
BlackRock Fund Advisors
California
$5.75M +$55.6K +3,190 +1%
TA
14
Teachers Advisors
New York
$5.2M +$90.4K +5,186 +2%
AWW
15
Alan W. Weber
$4.4M
TCIM
16
TIAA CREF Investment Management
New York
$3.36M +$113K +6,480 +4%
RCM
17
Rockshelter Capital Management
Pennsylvania
$3.08M -$11.8K -675 -0.4%
State Street
18
State Street
Massachusetts
$2.79M +$470K +26,960 +24%
BA
19
BlackRock Advisors
Delaware
$2.41M -$62.2K -3,569 -3%
Northern Trust
20
Northern Trust
Illinois
$2.22M +$4.09K +235 +0.2%
Vanguard Group
21
Vanguard Group
Pennsylvania
$2.1M +$877K +50,309 +90%
Charles Schwab
22
Charles Schwab
California
$2.09M -$119K -6,857 -6%
California Public Employees Retirement System
23
California Public Employees Retirement System
California
$1.99M
Morgan Stanley
24
Morgan Stanley
New York
$1.39M -$757K -43,427 -38%
TC
25
TFS Capital
Pennsylvania
$1.38M +$1.21M +69,459 New