MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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152 hedge funds and large institutions have $819M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 49 increasing their positions, 47 reducing their positions, and 14 closing their positions.

Holders
152
Holders Change
+9
Holders Change %
+6.29%
% of All Funds
4.05%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
24
Increased
49
Reduced
47
Closed
14
Calls
$3.47M
Puts
$1.85M
Net Calls
+$1.62M
Net Calls Change
+$2.41M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$34.5M
2
TCIM
2
TIAA CREF Investment Management
New York
$30.6M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$103M
4
Balyasny Asset Management
4
Balyasny Asset Management
Illinois
$12M
5
TA
5
Teachers Advisors
New York
$13.4M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$10.6M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$0
3
TC
3
TFS Capital
Pennsylvania
$309K
4
Renaissance Technologies
4
Renaissance Technologies
New York
$0
5
CS
5
Credit Suisse
Switzerland
$4.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
LTFS
101
Ladenburg Thalmann Financial Services
Florida
$270K +$71.3K +762 +36%
PCM
102
Price Capital Management
Louisiana
$256K -$1.15M -12,266 -82%
FM
103
Family Management
New York
$244K -$143K -1,525 -37%
CHAM
104
Clear Harbor Asset Management
Connecticut
$242K – – –
PNC Financial Services Group
105
PNC Financial Services Group
Pennsylvania
$238K +$234K +2,511 +5,707%
PPSG
106
Princeton Portfolio Strategies Group
New Jersey
$233K -$13.1K -140 -5%
AMG
107
Asset Management Group
Connecticut
$231K -$119K -1,271 -34%
HK
108
Horizon Kinetics
New York
$226K +$83.3K +890 +58%
Principal Financial Group
109
Principal Financial Group
Iowa
$220K +$17.3K +186 +9%
LPL Financial
110
LPL Financial
California
$215K +$22.8K +240 +12%
AA
111
Alesco Advisors
New York
$208K – – –
Jane Street
112
Jane Street
New York
$207K +$207K +2,220 New
SG Americas Securities
113
SG Americas Securities
New York
$202K +$33.2K +356 +20%
Commonwealth Equity Services
114
Commonwealth Equity Services
Massachusetts
$193K +$193K +2,062 New
MCM
115
Murphy Capital Management
New Jersey
$191K – – –
HI
116
HBK Investments
Texas
$186K +$186K +1,987 New
Legal & General Group
117
Legal & General Group
United Kingdom
$182K – – –
TI
118
Trexquant Investment
Connecticut
$177K +$177K +1,894 New
LCM
119
Laurion Capital Management
New York
$177K +$177K +1,898 New
CSS
120
Cubist Systematic Strategies
Connecticut
$164K +$164K +1,753 New
AL
121
Airain Ltd
Guernsey
$163K +$163K +1,748 New
GAM
122
Gotham Asset Management
New York
$160K +$160K +1,707 New
SGH
123
Schonfeld Group Holdings
New York
$152K +$33.3K +356 +28%
PTC
124
Petrus Trust Company
Texas
$141K +$141K +1,504 New
KeyBank National Association
125
KeyBank National Association
Ohio
$128K -$6.17K -66 -5%
3 4
5
6 7