MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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150 hedge funds and large institutions have $931M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 66 increasing their positions, 34 reducing their positions, and 19 closing their positions.

Holders
150
Holders Change
-2
Holders Change %
-1.32%
% 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
19
Increased
66
Reduced
34
Closed
19
Calls
$6.62M
Puts
$2.61M
Net Calls
+$4.01M
Net Calls Change
+$2.39M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$60.4M
2
CC
2
Cannell & Co
New York
$13M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$116M
4
AIMCA
4
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$9.52M
5
TCIM
5
TIAA CREF Investment Management
New York
$38.4M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$3.21M
2
Two Sigma Investments
2
Two Sigma Investments
New York
$574K
3
ACM
3
Alpha Capital Management
Texas
$0
4
SIM
4
Spark Investment Management
New York
$243K
5
Invesco
5
Invesco
Georgia
$3M
Name Holding Trade Value Shares
Change 		Shares
Change %
PAG
76
Private Advisor Group
New Jersey
$819K +$105K +1,079 +15%
SGAM
77
Smith Group Asset Management
Texas
$806K +$219K +2,245 +37%
AIG
78
American International Group
New York
$797K +$34K +349 +4%
Royal Bank of Canada
79
Royal Bank of Canada
Ontario, Canada
$767K +$37K +381 +5%
MIG
80
Mariner Investment Group
New York
$706K +$706K +7,256 New
Susquehanna International Group
81
Susquehanna International Group
Pennsylvania
$649K -$195K -2,002 -23%
DekaBank Deutsche Girozentrale
82
DekaBank Deutsche Girozentrale
Germany
$643K +$23.4K +241 +4%
OC
83
Oppenheimer & Co
New York
$589K -$542K -5,567 -48%
Two Sigma Investments
84
Two Sigma Investments
New York
$574K -$4.13M -42,422 -88%
State Board of Administration of Florida Retirement System
85
State Board of Administration of Florida Retirement System
Florida
$547K +$10.3K +106 +2%
T. Rowe Price Associates
86
T. Rowe Price Associates
Maryland
$535K +$183K +1,881 +52%
RJA
87
Raymond James & Associates
Florida
$530K +$70.5K +725 +15%
BC
88
Birchview Capital
Vermont
$523K – – –
Wells Fargo
89
Wells Fargo
California
$518K +$419K +4,309 +424%
Citigroup
90
Citigroup
New York
$490K -$107K -1,106 -18%
PPA
91
Parametric Portfolio Associates
Washington
$488K +$56.2K +577 +13%
CA
92
Commerzbank Aktiengesellschaft
Germany
$460K -$63.6K -654 -12%
Public Employees Retirement Association of Colorado
93
Public Employees Retirement Association of Colorado
Colorado
$444K -$19.9K -205 -4%
MCM
94
Manchester Capital Management
Vermont
$371K – – –
SAM
95
Silvercrest Asset Management
New York
$359K +$359K +3,687 New
Commonwealth Equity Services
96
Commonwealth Equity Services
Massachusetts
$341K +$140K +1,442 +70%
WP
97
WMS Partners
Maryland
$317K – – –
BG
98
BlackRock Group
United Kingdom
$311K -$191K -1,959 -38%
Jane Street
99
Jane Street
New York
$294K +$78.2K +804 +36%
LTFS
100
Ladenburg Thalmann Financial Services
Florida
$281K – – –
2 3
4
5 6