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 Holding Trade Value Shares
Change 		Shares
Change %
T. Rowe Price Associates
76
T. Rowe Price Associates
Maryland
$80K -$7.1M -169,309 -99%
FM
77
Family Management
New York
$75K +$75K +1,779 New
SB
78
Suntrust Banks
Georgia
$74K – – –
AB
79
Amalgamated Bank
New York
$54K +$54K +1,275 New
Invesco
80
Invesco
Georgia
$32K – – –
Citadel Advisors
81
Citadel Advisors
Florida
$31K +$21.6K +508 +230%
Creative Planning
82
Creative Planning
Kansas
$28K – – –
BG
83
BlackRock Group
United Kingdom
$27K – – –
BlackRock
84
BlackRock
New York
$21K – – –
PAM
85
Panagora Asset Management
Massachusetts
$20K -$5.89K -143 -23%
Canada Life
86
Canada Life
Manitoba, Canada
$20K +$20K +483 New
Teacher Retirement System of Texas
87
Teacher Retirement System of Texas
Texas
$18K -$43.5K -1,054 -71%
Bank of Montreal
88
Bank of Montreal
Ontario, Canada
$18K – – –
Royal Bank of Canada
89
Royal Bank of Canada
Ontario, Canada
$11K -$11.8K -286 -52%
BNP Paribas Financial Markets
90
BNP Paribas Financial Markets
France
$6.69K -$133K -3,151 -95%
MFS
91
MSI Financial Services
Massachusetts
$5K – – –
TRCT
92
Tower Research Capital (TRC)
New York
$3K -$29.2K -682 -91%
Manulife (Manufacturers Life Insurance)
93
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$410 +$29 +691 +8%
Westfield Capital Management
94
Westfield Capital Management
Massachusetts
– -$5.34M -179,194 Closed
O
95
OppenheimerFunds
New York
– -$2.83M -94,707 Closed
NI
96
Numeric Investors
Massachusetts
– -$892K -29,926 Closed
ACPU
97
Arrowgrass Capital Partners (US)
Delaware
– -$867K -29,085 Closed
FIG
98
Fortress Investment Group
New York
– -$693K -23,169 Closed
SGAM
99
Smith Group Asset Management
Texas
– -$626K -21,001 Closed
Nomura Holdings
100
Nomura Holdings
Japan
– -$327K -10,944 Closed
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