MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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139 hedge funds and large institutions have $636M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 48 increasing their positions, 39 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
139
Holders Change
+4
Holders Change %
+2.96%
% of All Funds
3.65%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
25
Increased
48
Reduced
39
Closed
20
Calls
$539K
Puts
$723K
Net Calls
-$184K
Net Calls Change
-$1.81M

Top Buyers

1
PI
1
Putnam Investments
Massachusetts
$17.5M
2
Millennium Management
2
Millennium Management
New York
$11.2M
3
TA
3
Teachers Advisors
New York
$21.1M
4
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$57.3M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$137M

Top Sellers

1
VOYA Investment Management
1
VOYA Investment Management
Georgia
$4.33M
2
Citadel Advisors
2
Citadel Advisors
Florida
$0
3
State Street
3
State Street
Massachusetts
$27.1M
4
PCM
4
Portolan Capital Management
Massachusetts
$0
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
NC
76
Nexthera Capital
New York
$284K +$284K +4,576 New
Commonwealth Equity Services
77
Commonwealth Equity Services
Massachusetts
$278K +$5.53K +89 +2%
RJA
78
Raymond James & Associates
Florida
$273K -$54.6K -877 -17%
VEA
79
Virtus ETF Advisers
New York
$265K +$265K +4,267 New
T. Rowe Price Associates
80
T. Rowe Price Associates
Maryland
$251K -$170K -2,745 -40%
BG
81
BlackRock Group
United Kingdom
$240K -$118K -1,896 -33%
GC
82
Globeflex Capital
California
$238K -$385K -6,203 -62%
BC
83
Birchview Capital
Vermont
$237K -$97.1K -1,563 -29%
MCM
84
Manchester Capital Management
Vermont
$237K – – –
Goldman Sachs
85
Goldman Sachs
New York
$229K -$1.25M -20,051 -85%
WP
86
WMS Partners
Maryland
$202K – – –
BNP Paribas Financial Markets
87
BNP Paribas Financial Markets
France
$199K +$18K +290 +10%
HK
88
Horizon Kinetics
New York
$198K – – –
LTFS
89
Ladenburg Thalmann Financial Services
Florida
$198K – – –
SAM
90
Silvercrest Asset Management
New York
$198K +$198K +3,180 New
CA
91
Commerzbank Aktiengesellschaft
Germany
$197K +$28.4K +457 +17%
DC
92
Deere & Company
Illinois
$169K – – –
PM
93
Parametrica Management
Hong Kong
$168K +$168K +2,698 New
PPSG
94
Princeton Portfolio Strategies Group
New Jersey
$167K +$26.8K +431 +19%
LCM
95
Landscape Capital Management
New Jersey
$163K +$163K +2,629 New
Citigroup
96
Citigroup
New York
$155K -$499K -8,023 -76%
AMG
97
Asset Management Group
Connecticut
$154K – – –
Legal & General Group
98
Legal & General Group
United Kingdom
$151K – – –
Principal Financial Group
99
Principal Financial Group
Iowa
$151K +$3.97K +64 +3%
CHAM
100
Clear Harbor Asset Management
Connecticut
$147K -$15.8K -255 -10%
2 3
4
5 6