MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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143 hedge funds and large institutions have $657M invested in Merrimack Pharmaceuticals, Inc. in 2014 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 45 increasing their positions, 44 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
143
Holders Change
+11
Holders Change %
+8.33%
% of All Funds
3.82%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
33
Increased
45
Reduced
44
Closed
20
Calls
$1.79M
Puts
$2.59M
Net Calls
-$793K
Net Calls Change
-$2.86M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$74.8M
2
BIT
2
BlackRock Institutional Trust
California
$20.8M
3
Connor, Clark & Lunn Investment Management (CC&L)
3
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$8.36M
4
TC
4
TFS Capital
Pennsylvania
$5.38M
5
BFA
5
BlackRock Fund Advisors
California
$53.6M

Top Sellers

1
CCM
1
Consonance Capital Management
New York
$0
2
State Street
2
State Street
Massachusetts
$36.3M
3
SIP
3
Stoneridge Investment Partners
Pennsylvania
$1.66M
4
Jane Street
4
Jane Street
New York
$0
5
New York State Common Retirement Fund
5
New York State Common Retirement Fund
New York
$935K
Name Holding Trade Value Shares
Change 		Shares
Change %
AIG
76
American International Group
New York
$698K -$41.2K -463 -6%
Citigroup
77
Citigroup
New York
$647K +$440K +4,955 +213%
BG
78
BlackRock Group
United Kingdom
$629K +$573K +6,439 +1,022%
DekaBank Deutsche Girozentrale
79
DekaBank Deutsche Girozentrale
Germany
$621K -$55.4K -635 -8%
DCM
80
Driehaus Capital Management
Illinois
$582K +$582K +6,544 New
EMG
81
Ellington Management Group
Connecticut
$558K +$558K +6,279 New
Citadel Advisors
82
Citadel Advisors
Florida
$553K -$1.24M -14,019 -69%
BC
83
Birchview Capital
Vermont
$478K +$478K +5,376 New
CA
84
Commerzbank Aktiengesellschaft
Germany
$464K +$464K +5,220 New
T. Rowe Price Associates
85
T. Rowe Price Associates
Maryland
$461K +$171K +1,920 +59%
Federated Hermes
86
Federated Hermes
Pennsylvania
$452K -$452K -5,084 -50%
Bank of America
87
Bank of America
North Carolina
$452K -$77.3K -869 -15%
State Board of Administration of Florida Retirement System
88
State Board of Administration of Florida Retirement System
Florida
$427K – – –
Public Employees Retirement Association of Colorado
89
Public Employees Retirement Association of Colorado
Colorado
$424K +$424K +4,772 New
PPA
90
Parametric Portfolio Associates
Washington
$416K +$187K +2,107 +82%
FM
91
Family Management
New York
$367K +$147K +1,653 +67%
JEW
92
Jamison Eaton & Wood
New Jersey
$356K -$353K -3,975 -50%
MCM
93
Manchester Capital Management
Vermont
$339K – – –
AMG
94
Asset Management Group
Connecticut
$333K – – –
PA
95
Pinnacle Associates
New York
$308K – – –
PWMAG
96
Pinnacle Wealth Management Advisory Group
New Jersey
$308K +$308K +3,463 New
WP
97
WMS Partners
Maryland
$289K – – –
CEP
98
Chicago Equity Partners
Illinois
$244K -$202K -2,274 -45%
PPSG
99
Princeton Portfolio Strategies Group
New Jersey
$234K +$234K +2,631 New
CHAM
100
Clear Harbor Asset Management
Connecticut
$231K -$3.39K -38 -1%
2 3
4
5 6