MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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102 hedge funds and large institutions have $268M invested in Merrimack Pharmaceuticals, Inc. in 2014 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 36 increasing their positions, 24 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
102
Holders Change
+9
Holders Change %
+9.68%
% of All Funds
2.95%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
17
Increased
36
Reduced
24
Closed
7
Calls
$7.52M
Puts
$2.71M
Net Calls
+$4.81M
Net Calls Change
+$3.04M

Top Buyers

1
State Street
1
State Street
Massachusetts
$23.4M
2
PI
2
Putnam Investments
Massachusetts
$5.14M
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$1.51M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$26.6M
5
Group One Trading
5
Group One Trading
Illinois
$1.2M

Top Sellers

1
MF
1
Magnetar Financial
Illinois
$1.89M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$1.61M
3
Jennison Associates
3
Jennison Associates
New York
$29.4M
4
CS
4
Credit Suisse
Switzerland
$1.04M
5
Susquehanna International Group
5
Susquehanna International Group
Pennsylvania
$1.33M
Name Holding Trade Value Shares
Change 		Shares
Change %
Adage Capital Partners
26
Adage Capital Partners
Massachusetts
$1.51M +$1.51M +37,958 New
Bank of America
27
Bank of America
North Carolina
$1.4M -$159K -4,006 -10%
BIM
28
BlackRock Investment Management
Delaware
$1.35M +$5.2K +131 +0.4%
Susquehanna International Group
29
Susquehanna International Group
Pennsylvania
$1.33M -$2.8M -70,441 -68%
Charles Schwab
30
Charles Schwab
California
$1.24M +$30K +755 +2%
Group One Trading
31
Group One Trading
Illinois
$1.2M +$1.09M +27,360 +928%
CT
32
Cambridge Trust
Massachusetts
$1.11M -$50.4K -1,271 -4%
CS
33
Credit Suisse
Switzerland
$1.04M -$3.1M -78,111 -75%
Goldman Sachs
34
Goldman Sachs
New York
$1M +$130K +3,278 +15%
ProShare Advisors
35
ProShare Advisors
Maryland
$889K +$626K +15,787 +238%
California State Teachers Retirement System (CalSTRS)
36
California State Teachers Retirement System (CalSTRS)
California
$882K – – –
Wellington Management Group
37
Wellington Management Group
Massachusetts
$871K +$871K +21,976 New
KCM
38
Knoll Capital Management
Florida
$809K +$431K +10,877 +114%
TA
39
Teachers Advisors
New York
$801K – – –
AllianceBernstein
40
AllianceBernstein
Tennessee
$795K +$251K +6,330 +46%
U
41
UBS
Switzerland
$772K -$114K -2,879 -13%
Swiss National Bank
42
Swiss National Bank
Switzerland
$561K +$95.3K +2,402 +20%
OC
43
Oppenheimer & Co
New York
$561K +$561K +14,139 New
IAM
44
Integre Asset Management
New York
$522K +$173K +4,372 +50%
Royal Bank of Canada
45
Royal Bank of Canada
Ontario, Canada
$520K +$509K +12,825 +4,803%
GBA
46
Garrison Bradford & Associates
New York
$494K – – –
SIP
47
Stoneridge Investment Partners
Pennsylvania
$445K +$24.1K +607 +6%
VOYA Investment Management
48
VOYA Investment Management
Georgia
$441K – – –
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$382K -$22.3K -562 -6%
NFA
50
Nationwide Fund Advisors
Ohio
$377K – – –
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