MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

MACK was delisted on the 17th of May, 2024.

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93 hedge funds and large institutions have $272M invested in Merrimack Pharmaceuticals, Inc. in 2013 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 29 increasing their positions, 27 reducing their positions, and 20 closing their positions.

Holders
93
Holders Change
-2
Holders Change %
-2.11%
% of All Funds
2.7%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
18
Increased
29
Reduced
27
Closed
20
Calls
$2.5M
Puts
$731K
Net Calls
+$1.77M
Net Calls Change
+$1.79M

Top Buyers

1
Jennison Associates
1
Jennison Associates
New York
$34.9M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$5.74M
3
Morgan Stanley
3
Morgan Stanley
New York
$5.28M
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$4.36M
5
Fuller & Thaler Asset Management
5
Fuller & Thaler Asset Management
California
$3.12M

Top Sellers

1
CS
1
Credit Suisse
Switzerland
$4.37M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$80K
3
Westfield Capital Management
3
Westfield Capital Management
Massachusetts
$0
4
O
4
OppenheimerFunds
New York
$0
5
MF
5
Magnetar Financial
Illinois
$6.55M
Name Market Value Shares Shares
Change 		Shares
Change %
Calamos Advisors
101
Calamos Advisors
Illinois
– – -57,900 Closed
Principal Financial Group
102
Principal Financial Group
Iowa
– – -45,232 Closed
HighTower Advisors
103
HighTower Advisors
Illinois
– – -43,570 Closed
ECP
104
Empyrean Capital Partners
California
– – -40,000 Closed
TD Asset Management
105
TD Asset Management
Ontario, Canada
– – -26,000 Closed
VKH
106
Virtu KCG Holdings
New York
– – -18,387 Closed
SG Americas Securities
107
SG Americas Securities
New York
– – -18,331 Closed
CWM
108
Calamos Wealth Management
Illinois
– – -17,575 Closed
PNC Financial Services Group
109
PNC Financial Services Group
Pennsylvania
– – -14,780 Closed
LOM
110
Loeb Offshore Management
New York
– – -10,180 Closed
Ameriprise
111
Ameriprise
Minnesota
– – -6,143 Closed
California Public Employees Retirement System
112
California Public Employees Retirement System
California
– – -3,900 Closed
RFC
113
Russell Frank Company
Washington
– – -485 Closed
WAM
114
Wolverine Asset Management
Illinois
– – – –
TMC
115
Trellus Management Company
Florida
– – – –
SFM
116
Sphera Funds Management
Israel
– – – –
AC
117
Aristeia Capital
Connecticut
– – – –
1 2 3 4
5