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 Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$137M 17,336,119 +623,250 +4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$81.5M 10,313,245 +546,613 +6%
Westfield Capital Management
3
Westfield Capital Management
Massachusetts
$57.3M 7,255,815 +744,254 +11%
BFA
4
BlackRock Fund Advisors
California
$41.6M 5,261,702 +39,919 +0.8%
TCIM
5
TIAA CREF Investment Management
New York
$40.2M 5,088,489 +523,886 +11%
State Street
6
State Street
Massachusetts
$27.1M 3,431,068 -613,016 -15%
BIT
7
BlackRock Institutional Trust
California
$22.9M 2,904,102 +322,132 +12%
TA
8
Teachers Advisors
New York
$21.1M 2,664,951 +940,656 +55%
PI
9
Putnam Investments
Massachusetts
$17.5M 2,219,926 +1,446,260 +187%
LIM
10
Lagoda Investment Management
New York
$17.5M 2,211,880 -145,678 -6%
Deutsche Bank
11
Deutsche Bank
Germany
$13.9M 1,754,706 -14,487 -0.8%
Millennium Management
12
Millennium Management
New York
$11.2M 1,417,296 +1,417,296 New
Northern Trust
13
Northern Trust
Illinois
$10.3M 1,308,642 +77,770 +6%
UBS AM
14
UBS AM
Illinois
$9.99M 1,264,799 -42,045 -3%
Morgan Stanley
15
Morgan Stanley
New York
$8.04M 1,017,971 +50,803 +5%
CC
16
Cannell & Co
New York
$7.75M 1,051,178 – –
Connor, Clark & Lunn Investment Management (CC&L)
17
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$6.92M 875,900 -138,950 -14%
TCM
18
Tekla Capital Management
Massachusetts
$6.75M 853,787 – –
AIMCA
19
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$5.81M 735,710 -34,370 -4%
Geode Capital Management
20
Geode Capital Management
Massachusetts
$5.76M 729,505 +70,001 +11%
Royal Bank of Canada
21
Royal Bank of Canada
Ontario, Canada
$5.17M 654,297 +600,435 +1,115%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$5.15M 651,489 +9,470 +1%
Norges Bank
23
Norges Bank
Norway
$5.09M 643,876 +218,769 +51%
VOYA Investment Management
24
VOYA Investment Management
Georgia
$4.33M 548,261 -856,175 -61%
GC
25
Guggenheim Capital
Illinois
$3.38M 427,476 -48,863 -10%
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