MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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143 hedge funds and large institutions have $657M invested in Merrimack Pharmaceuticals, Inc. in 2014 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 45 increasing their positions, 44 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
143
Holders Change
+11
Holders Change %
+8.33%
% of All Funds
3.82%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
33
Increased
45
Reduced
44
Closed
20
Calls
$1.79M
Puts
$2.59M
Net Calls
-$793K
Net Calls Change
-$2.86M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$74.8M
2
BIT
2
BlackRock Institutional Trust
California
$20.8M
3
Connor, Clark & Lunn Investment Management (CC&L)
3
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$8.36M
4
TC
4
TFS Capital
Pennsylvania
$5.38M
5
BFA
5
BlackRock Fund Advisors
California
$53.6M

Top Sellers

1
CCM
1
Consonance Capital Management
New York
$0
2
State Street
2
State Street
Massachusetts
$36.3M
3
SIP
3
Stoneridge Investment Partners
Pennsylvania
$1.66M
4
Jane Street
4
Jane Street
New York
$0
5
New York State Common Retirement Fund
5
New York State Common Retirement Fund
New York
$935K
Name Holding Trade Value Shares
Change 		Shares
Change %
William Blair & Company
26
William Blair & Company
Illinois
$4.35M -$440K -4,950 -9%
CCM
27
Cadence Capital Management
Massachusetts
$3.94M +$1.76M +19,815 +81%
BA
28
BlackRock Advisors
Delaware
$3.89M +$1.6M +18,050 +70%
GC
29
Guggenheim Capital
Illinois
$3.84M +$3.84M +43,134 New
CC
30
Cannell & Co
New York
$3.69M +$2.95M +33,212 +400%
Invesco
31
Invesco
Georgia
$3.67M +$1.4M +15,696 +61%
Goldman Sachs
32
Goldman Sachs
New York
$3.48M -$19.9K -224 -0.6%
Charles Schwab
33
Charles Schwab
California
$3.26M +$180K +2,022 +6%
ACM
34
Alpha Capital Management
Texas
$3.17M +$79.3K +892 +3%
BIM
35
BlackRock Investment Management
Delaware
$3.04M -$27K -304 -0.9%
JPMorgan Chase & Co
36
JPMorgan Chase & Co
New York
$2.97M -$918K -10,326 -24%
Renaissance Technologies
37
Renaissance Technologies
New York
$2.89M -$743K -8,363 -20%
RFC
38
Russell Frank Company
Washington
$2.53M +$349K +4,001 +16%
Wellington Management Group
39
Wellington Management Group
Massachusetts
$2.52M +$710K +7,983 +39%
SIM
40
Spark Investment Management
New York
$2.09M +$1.06M +11,960 +104%
California State Teachers Retirement System (CalSTRS)
41
California State Teachers Retirement System (CalSTRS)
California
$2.06M +$8.71K +98 +0.4%
Susquehanna International Group
42
Susquehanna International Group
Pennsylvania
$1.96M +$898K +10,102 +85%
UBS Group
43
UBS Group
Switzerland
$1.89M +$1.89M +21,288 New
Axa
44
Axa
France
$1.87M +$1.87M +21,058 New
CT
45
Cambridge Trust
Massachusetts
$1.87M -$169K -1,906 -8%
JPMPWA
46
J.P. Morgan Private Wealth Advisors
California
$1.83M -$481K -5,415 -21%
AllianceBernstein
47
AllianceBernstein
Tennessee
$1.82M – – –
American Century Companies
48
American Century Companies
Missouri
$1.75M +$1.75M +19,632 New
Royal Bank of Canada
49
Royal Bank of Canada
Ontario, Canada
$1.72M +$450K +5,058 +36%
SIP
50
Stoneridge Investment Partners
Pennsylvania
$1.66M -$3.16M -35,522 -66%
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