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 Market Value Shares Shares
Change 		Shares
Change %
Citigroup
51
Citigroup
New York
$302K 7,170 +4,638 +183%
DekaBank Deutsche Girozentrale
52
DekaBank Deutsche Girozentrale
Germany
$299K 7,372 +572 +8%
ProShare Advisors
53
ProShare Advisors
Maryland
$278K 6,624 -5,697 -46%
Barclays
54
Barclays
United Kingdom
$278K 7,054 +6,341 +889%
BA
55
BlackRock Advisors
Delaware
$257K 6,119 +487 +9%
GE
56
General Electric
Ohio
$235K 5,610 -89 -2%
NAM
57
North American Management
Massachusetts
$187K 4,449 – –
TAM
58
Tocqueville Asset Management
New York
$187K 4,449 +4,449 New
MCM
59
Manchester Capital Management
Vermont
$160K 3,813 +3,813 New
AMG
60
Asset Management Group
Connecticut
$157K 3,743 – –
CC
61
Cannell & Co
New York
$146K 3,483 +3,483 New
WP
62
WMS Partners
Maryland
$136K 3,254 – –
PGFC
63
Peapack-Gladstone Financial Corp
New Jersey
$135K 3,221 -2,987 -48%
NTCOC
64
Northern Trust Company of Connecticut
Connecticut
$135K 3,214 -81 -2%
AA
65
Alesco Advisors
New York
$128K 3,042 +3,042 New
LPL Financial
66
LPL Financial
California
$125K 2,975 +222 +8%
Group One Trading
67
Group One Trading
Illinois
$124K 2,949 -733 -20%
D.E. Shaw & Co
68
D.E. Shaw & Co
New York
$113K 2,683 -228 -8%
KeyBank National Association
69
KeyBank National Association
Ohio
$110K 2,615 – –
Two Sigma Investments
70
Two Sigma Investments
New York
$101K 2,405 +2,405 New
State Board of Administration of Florida Retirement System
71
State Board of Administration of Florida Retirement System
Florida
$100K 2,383 – –
PPA
72
Parametric Portfolio Associates
Washington
$87K 2,076 +622 +43%
MCM
73
Murphy Capital Management
New Jersey
$86K 2,052 – –
Jane Street
74
Jane Street
New York
$85K 2,036 +2,036 New
LTFS
75
Ladenburg Thalmann Financial Services
Florida
$81K 1,932 +1,932 New
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3
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