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TSE

Trinseo
TSE

Delisted

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

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101 hedge funds and large institutions have $1.28B invested in Trinseo in 2015 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 44 increasing their positions, 35 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

33% more funds holding in top 10

Funds holding in top 10: 3 → 4 (+1)

26% more repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 35

1% more funds holding

Funds holding: 100 → 101 (+1)

7% more first-time investments, than exits

New positions opened: 16 | Existing positions closed: 15

0.32% more ownership

Funds ownership: 103.8% → 104.13% (+0.32%)

6% less capital invested

Capital invested by funds: $1.36B → $1.28B (-$75.1M)

Holders
101
Holders Change
+1
Holders Change %
+1%
% of All Funds
2.82%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.11%
New
16
Increased
44
Reduced
35
Closed
15
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
+$14.2M
2
BHC
Bowen Hanes & Co
Florida
+$12.2M
3
SCM
SIR Capital Management
New York
+$5.7M
4
American Century Companies
American Century Companies
Missouri
+$4.31M
5
HS
HighVista Strategies
Massachusetts
+$3.64M

Top Sellers

1
PRCM
Pine River Capital Management
Minnesota
-$11M
2
TA
Teachers Advisors
New York
-$6.28M
3
FIM
Foresters Investment Management
New York
-$5.03M
4
BIM
Bogle Investment Management
Massachusetts
-$4.93M
5
LOAMU
Lombard Odier Asset Management (USA)
New York
-$4.74M
Name Holding Trade Value Shares
Change 		Change in
Stake
BCI
1
Bain Capital Investors
Massachusetts
$941M – – –
LCM
2
Lakewood Capital Management
New York
$41.5M +$41.4K +1,550 +0.1%
Vanguard Group
3
Vanguard Group
Pennsylvania
$28M +$14.2M +533,038 +92%
Bank of New York Mellon
4
Bank of New York Mellon
New York
$24.3M -$1.28M -47,954 -5%
FIM
5
Foresters Investment Management
New York
$23.1M -$5.03M -188,100 -17%
QCI
6
Quaker Capital Investments
Pennsylvania
$22.3M +$3.04M +113,863 +15%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$18M -$1.81M -67,687 -9%
TC
8
Towle & Co
Colorado
$17.4M +$80.2K +3,003 +0.4%
BHC
9
Bowen Hanes & Co
Florida
$11.5M +$12.2M +456,485 New
BIT
10
BlackRock Institutional Trust
California
$9.82M +$422K +15,792 +4%
JP Morgan Chase
11
JP Morgan Chase
New York
$8.26M +$152K +5,700 +2%
Renaissance Technologies
12
Renaissance Technologies
New York
$7.6M +$1.36M +50,775 +20%
BFA
13
BlackRock Fund Advisors
California
$6.86M -$88.2K -3,300 -1%
SAM
14
Scopus Asset Management
New York
$6.32M +$1.34M +50,083 +25%
Wells Fargo
15
Wells Fargo
California
$5.7M -$10.8K -405 -0.2%
American Century Companies
16
American Century Companies
Missouri
$5.64M +$4.31M +161,305 +261%
AWW
17
Alan W. Weber
$5.61M – – –
SCM
18
SIR Capital Management
New York
$5.39M +$5.7M +213,400 New
State Street
19
State Street
Massachusetts
$4.11M +$149K +5,571 +4%
California Public Employees Retirement System
20
California Public Employees Retirement System
California
$4.02M +$593K +22,200 +16%
RCM
21
Rockshelter Capital Management
Pennsylvania
$3.94M +$89K +3,330 +2%
Charles Schwab
22
Charles Schwab
California
$3.94M +$1.33M +49,829 +47%
CAM
23
ClariVest Asset Management
California
$3.49M +$517K +19,360 +16%
HS
24
HighVista Strategies
Massachusetts
$3.44M +$3.64M +136,141 New
GC
25
Globeflex Capital
California
$3.38M +$3.58M +133,943 New
1
2 3 4 5

TSE Hedge Fund Activity: Q3 2015 in Review

101 of the 3,582 institutional investors tracked by Wall St. Rank reported a position in Trinseo (TSE) for Q3 2015, worth a combined $1.28B — down 5.5% from $1.36B a quarter earlier.

Buyers outnumbered sellers: 16 funds opened new TSE positions and 15 closed out — a net gain of 1 holder — while 44 added to existing stakes and 35 trimmed.

The largest buyer was Vanguard Group, adding an estimated $14.2M. The largest seller was Pine River Capital Management, exiting entirely with an estimated $11M sold.

  • 101 institutional investors held Trinseo (TSE) as of Q3 2015, up from 100 in Q2 2015.
  • Funds reported $1.28B of Trinseo stock for Q3 2015, down 5.5% quarter-over-quarter.
  • 16 funds opened new Trinseo positions in Q3 2015 and 15 closed out, a net change of +1 holder.
  • The largest Trinseo buyer in Q3 2015 was Vanguard Group, an estimated $14.2M added.
  • The largest Trinseo seller in Q3 2015 was Pine River Capital Management, an estimated $11M sold.

Based on aggregated 13F filings for Q3 2015.