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 %
MLICM
51
Metropolitan Life Insurance Company (MetLife)
New York
$374K – – –
AIG
52
American International Group
New York
$336K +$7.93K +200 +2%
DekaBank Deutsche Girozentrale
53
DekaBank Deutsche Girozentrale
Germany
$320K +$27.7K +699 +9%
JEW
54
Jamison Eaton & Wood
New Jersey
$316K -$75.5K -1,906 -19%
TAM
55
Tocqueville Asset Management
New York
$312K +$136K +3,431 +77%
WMSA
56
Weiss Multi-Strategy Advisers
New York
$302K -$352K -8,897 -54%
Nomura Holdings
57
Nomura Holdings
Japan
$292K +$292K +7,220 New
IGIM
58
I.G. Investment Management
Manitoba, Canada
$259K +$259K +6,533 New
BA
59
BlackRock Advisors
Delaware
$255K +$12.2K +308 +5%
Barclays
60
Barclays
United Kingdom
$246K -$32.7K -828 -12%
Brown Advisory
61
Brown Advisory
Maryland
$234K -$351K -8,859 -60%
GE
62
General Electric
Ohio
$222K – – –
Citigroup
63
Citigroup
New York
$201K -$82.9K -2,093 -29%
Jane Street
64
Jane Street
New York
$178K +$97.4K +2,462 +121%
MCM
65
Manchester Capital Management
Vermont
$151K – – –
AMG
66
Asset Management Group
Connecticut
$148K – – –
Wells Fargo
67
Wells Fargo
California
$139K +$139K +3,504 New
CC
68
Cannell & Co
New York
$138K – – –
PA
69
Pinnacle Associates
New York
$137K +$137K +3,463 New
LPL Financial
70
LPL Financial
California
$134K +$16.3K +413 +14%
WP
71
WMS Partners
Maryland
$129K – – –
SCM
72
Stevens Capital Management
Pennsylvania
$127K +$127K +3,215 New
NAM
73
North American Management
Massachusetts
$126K -$50.4K -1,271 -29%
AA
74
Alesco Advisors
New York
$121K – – –
CPC
75
Cookson Peirce & Co
Pennsylvania
$111K +$111K +2,808 New
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