MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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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.

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 %
SGAM
151
Smith Group Asset Management
Texas
– -$554K -8,278 Closed
Two Sigma Advisers
152
Two Sigma Advisers
New York
– -$402K -5,405 Closed
D.E. Shaw & Co
153
D.E. Shaw & Co
New York
– -$350K -5,232 Closed
AI
154
Analytic Investors
California
– -$134K -2,005 Closed
TAM
155
Tocqueville Asset Management
New York
– -$98K -1,462 Closed
RFC
156
Russell Frank Company
Washington
– -$40K -597 Closed
QT
157
Quantbot Technologies
New York
– -$18K -278 Closed
AIM
158
Advantage Investment Management
Iowa
– -$6K -95 Closed
KF
159
Krilogy Financial
Missouri
– -$3K -38 Closed
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