MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

Back to rankings

139 hedge funds and large institutions have $636M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 48 increasing their positions, 39 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
139
Holders Change
+4
Holders Change %
+2.96%
% of All Funds
3.65%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
25
Increased
48
Reduced
39
Closed
20
Calls
$539K
Puts
$723K
Net Calls
-$184K
Net Calls Change
-$1.81M

Top Buyers

1
PI
1
Putnam Investments
Massachusetts
$17.5M
2
Millennium Management
2
Millennium Management
New York
$11.2M
3
TA
3
Teachers Advisors
New York
$21.1M
4
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$57.3M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$137M

Top Sellers

1
VOYA Investment Management
1
VOYA Investment Management
Georgia
$4.33M
2
Citadel Advisors
2
Citadel Advisors
Florida
$0
3
State Street
3
State Street
Massachusetts
$27.1M
4
PCM
4
Portolan Capital Management
Massachusetts
$0
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Allianz Asset Management
51
Allianz Asset Management
Germany
$778K – – –
NFA
52
Nationwide Fund Advisors
Ohio
$734K +$172K +2,761 +30%
TI
53
Trexquant Investment
Connecticut
$704K +$704K +11,325 New
HCM
54
Highbridge Capital Management
New York
$695K +$695K +11,173 New
Federated Hermes
55
Federated Hermes
Pennsylvania
$684K +$210K +3,377 +44%
PAG
56
Private Advisor Group
New Jersey
$657K +$107K +1,727 +20%
GBA
57
Garrison Bradford & Associates
New York
$653K – – –
FAM
58
Fred Alger Management
New York
$610K +$610K +9,811 New
MLICM
59
Metropolitan Life Insurance Company (MetLife)
New York
$608K +$18K +290 +3%
AIG
60
American International Group
New York
$509K -$932 -15 -0.2%
Wells Fargo
61
Wells Fargo
California
$502K +$177K +2,854 +55%
MIG
62
Mariner Investment Group
New York
$498K -$253K -4,067 -34%
Squarepoint
63
Squarepoint
New York
$486K +$486K +7,829 New
DekaBank Deutsche Girozentrale
64
DekaBank Deutsche Girozentrale
Germany
$457K +$8.08K +127 +2%
ARTA
65
A.R.T. Advisors
New York
$448K +$448K +7,219 New
WMSA
66
Weiss Multi-Strategy Advisers
New York
$435K +$31.7K +509 +8%
PA
67
Perceptive Advisors
New York
$395K +$395K +6,355 New
SW
68
SVB Wealth
Massachusetts
$384K -$157K -2,518 -29%
State Board of Administration of Florida Retirement System
69
State Board of Administration of Florida Retirement System
Florida
$359K +$6.59K +106 +2%
Bank of America
70
Bank of America
North Carolina
$343K +$108K +1,745 +46%
OAM
71
Oxford Asset Management
United Kingdom
$342K +$342K +5,379 New
LPL Financial
72
LPL Financial
California
$338K +$149K +2,415 +79%
Susquehanna International Group
73
Susquehanna International Group
Pennsylvania
$336K -$706K -11,347 -68%
PNC Financial Services Group
74
PNC Financial Services Group
Pennsylvania
$291K +$74.5K +1,195 +34%
Public Employees Retirement Association of Colorado
75
Public Employees Retirement Association of Colorado
Colorado
$284K – – –
1 2
3
4 5