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TSE

Trinseo
TSE

Delisted

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

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58 hedge funds and large institutions have $960M invested in Trinseo in 2015 Q1 according to their latest regulatory filings, with 11 funds opening new positions, 19 increasing their positions, 19 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

12% more capital invested

Capital invested by funds: $853M → $960M (+$106M)

0% more funds holding

Funds holding: 58 → 58 (0)

0% more first-time investments, than exits

New positions opened: 11 | Existing positions closed: 11

0% more repeat investments, than reductions

Existing positions increased: 19 | Existing positions reduced: 19

0.89% less ownership

Funds ownership: 100.33% → 99.44% (-0.89%)

Holders
58
Holders Change
–
Holders Change %
0%
% of All Funds
1.55%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
11
Increased
19
Reduced
19
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
QCI
Quaker Capital Investments
Pennsylvania
+$11M
2
TC
TFS Capital
Pennsylvania
+$1.21M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$877K
4
Invesco
Invesco
Georgia
+$747K
5
FIM
Foresters Investment Management
New York
+$557K

Top Sellers

1
LCM
Lakewood Capital Management
New York
-$4.92M
2
SCM
Saba Capital Management
New York
-$4.58M
3
RCM
Redwood Capital Management
New York
-$3.05M
4
BIT
BlackRock Institutional Trust
California
-$2.86M
5
LM
Luminus Management
Texas
-$2.67M
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
1
2 3

TSE Hedge Fund Activity: Q1 2015 in Review

58 of the 3,752 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q1 2015, worth a combined $960M — up 12% from $853M a quarter earlier.

Fund positioning in TSE was balanced in Q1 2015: 11 funds opened new positions, 11 closed out, 19 added to existing stakes and 19 trimmed.

The largest buyer was Quaker Capital Investments, opening a new position worth an estimated $11M. The largest seller was Lakewood Capital Management, cutting an estimated $4.92M.

  • 58 institutional investors held Trinseo (TSE) as of Q1 2015, unchanged from Q4 2014.
  • Funds reported $960M of Trinseo stock for Q1 2015, up 12% quarter-over-quarter.
  • 11 funds opened new Trinseo positions in Q1 2015 and 11 closed out, a net change of 0 holders.
  • The largest Trinseo buyer in Q1 2015 was Quaker Capital Investments, an estimated $11M added.
  • The largest Trinseo seller in Q1 2015 was Lakewood Capital Management, an estimated $4.92M sold.

Based on aggregated 13F filings for Q1 2015.