MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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135 hedge funds and large institutions have $663M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 55 increasing their positions, 43 reducing their positions, and 26 closing their positions.

Holders
135
Holders Change
-15
Holders Change %
-10%
% of All Funds
3.77%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
12
Increased
55
Reduced
43
Closed
26
Calls
$4.05M
Puts
$2.43M
Net Calls
+$1.62M
Net Calls Change
-$2.39M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$55.4M
2
TCIM
2
TIAA CREF Investment Management
New York
$38.8M
3
Citadel Advisors
3
Citadel Advisors
Florida
$5.32M
4
TA
4
Teachers Advisors
New York
$14.7M
5
VOYA Investment Management
5
VOYA Investment Management
Georgia
$12M

Top Sellers

1
Balyasny Asset Management
1
Balyasny Asset Management
Illinois
$0
2
Fuller & Thaler Asset Management
2
Fuller & Thaler Asset Management
California
$0
3
EI
3
EAM Investors
California
$0
4
CCM
4
Cadence Capital Management
Massachusetts
$0
5
Millennium Management
5
Millennium Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Royal Bank of Canada
76
Royal Bank of Canada
Ontario, Canada
$459K -$70.2K -1,047 -13%
T. Rowe Price Associates
77
T. Rowe Price Associates
Maryland
$454K +$85.9K +1,284 +23%
WMSA
78
Weiss Multi-Strategy Advisers
New York
$434K +$434K +6,482 New
Two Sigma Advisers
79
Two Sigma Advisers
New York
$402K -$577K -7,763 -59%
BG
80
BlackRock Group
United Kingdom
$386K +$172K +2,571 +80%
State Board of Administration of Florida Retirement System
81
State Board of Administration of Florida Retirement System
Florida
$380K +$2.88K +43 +0.8%
BC
82
Birchview Capital
Vermont
$360K – – –
RJA
83
Raymond James & Associates
Florida
$352K -$12.8K -191 -4%
D.E. Shaw & Co
84
D.E. Shaw & Co
New York
$350K +$350K +5,232 New
Wells Fargo
85
Wells Fargo
California
$349K -$6.61K -99 -2%
PPA
86
Parametric Portfolio Associates
Washington
$342K +$6.62K +99 +2%
Public Employees Retirement Association of Colorado
87
Public Employees Retirement Association of Colorado
Colorado
$306K – – –
Commonwealth Equity Services
88
Commonwealth Equity Services
Massachusetts
$294K +$59.2K +883 +25%
MCM
89
Manchester Capital Management
Vermont
$255K – – –
Bank of America
90
Bank of America
North Carolina
$254K -$532K -7,933 -68%
Barclays
91
Barclays
United Kingdom
$244K +$154K +2,451 +172%
PNC Financial Services Group
92
PNC Financial Services Group
Pennsylvania
$233K +$59.4K +884 +34%
LPL Financial
93
LPL Financial
California
$231K +$22.2K +295 +11%
WP
94
WMS Partners
Maryland
$218K – – –
LTFS
95
Ladenburg Thalmann Financial Services
Florida
$213K +$19.6K +293 +10%
HK
96
Horizon Kinetics
New York
$213K +$51.1K +763 +32%
BNP Paribas Financial Markets
97
BNP Paribas Financial Markets
France
$195K +$117K +1,748 +150%
CA
98
Commerzbank Aktiengesellschaft
Germany
$182K -$135K -2,017 -43%
DC
99
Deere & Company
Illinois
$182K +$182K +2,723 New
CHAM
100
Clear Harbor Asset Management
Connecticut
$176K +$2.15K +32 +1%
2 3
4
5 6