MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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95 hedge funds and large institutions have $200M invested in Merrimack Pharmaceuticals, Inc. in 2013 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 43 increasing their positions, 17 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
95
Holders Change
+6
Holders Change %
+6.74%
% of All Funds
3.08%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
20
Increased
43
Reduced
17
Closed
13
Calls
$213K
Puts
$239K
Net Calls
-$26K
Net Calls Change
-$137K

Top Buyers

1
Jennison Associates
1
Jennison Associates
New York
$20.7M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$5.12M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$17.8M
4
MF
4
Magnetar Financial
Illinois
$6.29M
5
Northern Trust
5
Northern Trust
Illinois
$4.98M

Top Sellers

1
CS
1
Credit Suisse
Switzerland
$11.8M
2
FAM
2
Fred Alger Management
New York
$0
3
Bank of America
3
Bank of America
North Carolina
$1.92M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$59.3M
5
Alyeska Investment Group
5
Alyeska Investment Group
Illinois
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Calamos Advisors
51
Calamos Advisors
Illinois
$220K +$220K +7,359 New
DekaBank Deutsche Girozentrale
52
DekaBank Deutsche Girozentrale
Germany
$212K +$11.9K +381 +6%
Morgan Stanley
53
Morgan Stanley
New York
$202K -$24.2K -814 -11%
PGFC
54
Peapack-Gladstone Financial Corp
New Jersey
$185K – – –
JEW
55
Jamison Eaton & Wood
New Jersey
$174K +$14.2K +475 +9%
Principal Financial Group
56
Principal Financial Group
Iowa
$172K +$172K +5,749 New
GE
57
General Electric
Ohio
$170K +$6.29K +211 +4%
BA
58
BlackRock Advisors
Delaware
$168K +$7.58K +254 +5%
ECP
59
Empyrean Capital Partners
California
$152K +$152K +5,084 New
NAM
60
North American Management
Massachusetts
$133K -$38K -1,271 -22%
AMG
61
Asset Management Group
Connecticut
$112K – – –
Group One Trading
62
Group One Trading
Illinois
$110K +$110K +3,682 New
TD Asset Management
63
TD Asset Management
Ontario, Canada
$99K +$99K +3,305 New
BNP Paribas Financial Markets
64
BNP Paribas Financial Markets
France
$98.7K -$38.7K -1,297 -28%
NTCOC
65
Northern Trust Company of Connecticut
Connecticut
$98K +$11.2K +377 +13%
WP
66
WMS Partners
Maryland
$97K – – –
D.E. Shaw & Co
67
D.E. Shaw & Co
New York
$87K +$42K +1,405 +93%
KeyBank National Association
68
KeyBank National Association
Ohio
$78K – – –
Citigroup
69
Citigroup
New York
$76K +$51.1K +1,701 +205%
LPL Financial
70
LPL Financial
California
$75K -$3.57K -131 -5%
State Board of Administration of Florida Retirement System
71
State Board of Administration of Florida Retirement System
Florida
$71K – – –
SG Americas Securities
72
SG Americas Securities
New York
$70K +$70K +2,330 New
VKH
73
Virtu KCG Holdings
New York
$70K +$70K +2,337 New
CWM
74
Calamos Wealth Management
Illinois
$67K +$67K +2,234 New
MCM
75
Murphy Capital Management
New Jersey
$61K – – –
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