MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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102 hedge funds and large institutions have $268M invested in Merrimack Pharmaceuticals, Inc. in 2014 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 36 increasing their positions, 24 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
102
Holders Change
+9
Holders Change %
+9.68%
% of All Funds
2.95%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
17
Increased
36
Reduced
24
Closed
7
Calls
$7.52M
Puts
$2.71M
Net Calls
+$4.81M
Net Calls Change
+$3.04M

Top Buyers

1
State Street
1
State Street
Massachusetts
$23.4M
2
PI
2
Putnam Investments
Massachusetts
$5.14M
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$1.51M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$26.6M
5
Group One Trading
5
Group One Trading
Illinois
$1.2M

Top Sellers

1
MF
1
Magnetar Financial
Illinois
$1.89M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$1.61M
3
Jennison Associates
3
Jennison Associates
New York
$29.4M
4
CS
4
Credit Suisse
Switzerland
$1.04M
5
Susquehanna International Group
5
Susquehanna International Group
Pennsylvania
$1.33M
Name Holding Trade Value Shares
Change 		Shares
Change %
KeyBank National Association
76
KeyBank National Association
Ohio
$104K – – –
ERIM
77
Eagle Ridge Investment Management
Connecticut
$101K +$101K +2,542 New
PGFC
78
Peapack-Gladstone Financial Corp
New Jersey
$99K -$28.8K -725 -23%
ST
79
Spot Trading
Illinois
$95K +$95K +2,405 New
State Board of Administration of Florida Retirement System
80
State Board of Administration of Florida Retirement System
Florida
$94K – – –
MCM
81
Murphy Capital Management
New Jersey
$81K – – –
VKH
82
Virtu KCG Holdings
New York
$79K +$79K +1,983 New
LTFS
83
Ladenburg Thalmann Financial Services
Florida
$77K – – –
T. Rowe Price Associates
84
T. Rowe Price Associates
Maryland
$76K – – –
PPA
85
Parametric Portfolio Associates
Washington
$73K -$9.5K -239 -12%
FM
86
Family Management
New York
$71K – – –
SB
87
Suntrust Banks
Georgia
$70K – – –
QIM
88
Quantitative Investment Management
Virginia
$70K +$70K +1,779 New
SG Americas Securities
89
SG Americas Securities
New York
$67K +$67K +1,694 New
HK
90
Horizon Kinetics
New York
$60K +$60K +1,525 New
Bank of Montreal
91
Bank of Montreal
Ontario, Canada
$29K +$11.5K +292 +66%
Creative Planning
92
Creative Planning
Kansas
$26K – – –
WAM
93
Wolverine Asset Management
Illinois
$21K +$21K +534 New
BlackRock
94
BlackRock
New York
$19K – – –
Canada Life
95
Canada Life
Manitoba, Canada
$19K – – –
Teacher Retirement System of Texas
96
Teacher Retirement System of Texas
Texas
$17K -$648 -16 -4%
TRCT
97
Tower Research Capital (TRC)
New York
$9K +$6.33K +166 +237%
JFA
98
JNBA Financial Advisors
Minnesota
$6K +$6K +159 New
BNP Paribas Financial Markets
99
BNP Paribas Financial Markets
France
$5.5K – – –
MFS
100
MSI Financial Services
Massachusetts
$5K – – –
1 2 3
4
5