MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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135 hedge funds and large institutions have $663M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 55 increasing their positions, 43 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
135
Holders Change
-15
Holders Change %
-10%
% of All Funds
3.77%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
12
Increased
55
Reduced
43
Closed
26
Calls
$4.05M
Puts
$2.43M
Net Calls
+$1.62M
Net Calls Change
-$2.39M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$55.4M
2
TCIM
2
TIAA CREF Investment Management
New York
$38.8M
3
Citadel Advisors
3
Citadel Advisors
Florida
$5.32M
4
TA
4
Teachers Advisors
New York
$14.7M
5
VOYA Investment Management
5
VOYA Investment Management
Georgia
$12M

Top Sellers

1
Balyasny Asset Management
1
Balyasny Asset Management
Illinois
$0
2
Fuller & Thaler Asset Management
2
Fuller & Thaler Asset Management
California
$0
3
EI
3
EAM Investors
California
$0
4
CCM
4
Cadence Capital Management
Massachusetts
$0
5
Millennium Management
5
Millennium Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
JPMPWA
51
J.P. Morgan Private Wealth Advisors
California
$1.12M +$17K +254 +2%
CEP
52
Chicago Equity Partners
Illinois
$1.04M +$899K +13,417 +658%
SIP
53
Stoneridge Investment Partners
Pennsylvania
$1.03M +$427K +6,374 +71%
Group One Trading
54
Group One Trading
Illinois
$905K +$789K +11,787 +682%
RhumbLine Advisers
55
RhumbLine Advisers
Massachusetts
$871K +$4.15K +62 +0.5%
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$864K – – –
Allianz Asset Management
57
Allianz Asset Management
Germany
$823K – – –
ProShare Advisors
58
ProShare Advisors
Maryland
$813K -$53.8K -803 -6%
MIG
59
Mariner Investment Group
New York
$809K +$323K +4,830 +67%
ERIM
60
Eagle Ridge Investment Management
Connecticut
$807K -$235K -3,511 -23%
AQR Capital Management
61
AQR Capital Management
Connecticut
$705K -$266K -3,971 -27%
GBA
62
Garrison Bradford & Associates
New York
$704K -$68.1K -1,017 -9%
Citigroup
63
Citigroup
New York
$704K +$366K +5,466 +108%
GC
64
Globeflex Capital
California
$672K -$60.4K -902 -8%
MLICM
65
Metropolitan Life Insurance Company (MetLife)
New York
$635K -$23.8K -356 -4%
Jane Street
66
Jane Street
New York
$618K +$415K +6,202 +205%
NFA
67
Nationwide Fund Advisors
Ohio
$606K – – –
PAG
68
Private Advisor Group
New Jersey
$592K +$27.9K +416 +5%
SW
69
SVB Wealth
Massachusetts
$582K – – –
SGAM
70
Smith Group Asset Management
Texas
$554K -$201 -3 -0%
AIG
71
American International Group
New York
$549K +$669 +10 +0.1%
SEI Investments
72
SEI Investments
Pennsylvania
$540K +$540K +8,073 New
OPPM
73
Opus Point Partners Management
New York
$528K -$85.2K -1,271 -14%
Federated Hermes
74
Federated Hermes
Pennsylvania
$511K -$787K -11,740 -61%
DekaBank Deutsche Girozentrale
75
DekaBank Deutsche Girozentrale
Germany
$472K +$29.8K +445 +7%
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