MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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150 hedge funds and large institutions have $931M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 66 increasing their positions, 34 reducing their positions, and 19 closing their positions.

Holders
150
Holders Change
-2
Holders Change %
-1.32%
% of All Funds
4.05%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
19
Increased
66
Reduced
34
Closed
19
Calls
$6.62M
Puts
$2.61M
Net Calls
+$4.01M
Net Calls Change
+$2.39M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$60.4M
2
CC
2
Cannell & Co
New York
$13M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$116M
4
AIMCA
4
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$9.52M
5
TCIM
5
TIAA CREF Investment Management
New York
$38.4M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$3.21M
2
Two Sigma Investments
2
Two Sigma Investments
New York
$574K
3
ACM
3
Alpha Capital Management
Texas
$0
4
SIM
4
Spark Investment Management
New York
$243K
5
Invesco
5
Invesco
Georgia
$3M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$204M 16,503,650 +364,198 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$116M 9,379,287 +672,233 +8%
BFA
3
BlackRock Fund Advisors
California
$64.7M 5,235,904 +254,831 +5%
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$60.4M 4,881,667 +1,978,108 +68%
State Street
5
State Street
Massachusetts
$49.3M 3,985,109 +519,679 +15%
TCIM
6
TIAA CREF Investment Management
New York
$38.4M 3,103,320 +525,906 +20%
BIT
7
BlackRock Institutional Trust
California
$28.7M 2,322,152 -97,807 -4%
LIM
8
Lagoda Investment Management
New York
$26M 2,100,140 +168,268 +9%
Deutsche Bank
9
Deutsche Bank
Germany
$22.4M 1,812,498 +23,944 +1%
TA
10
Teachers Advisors
New York
$15.8M 1,275,667 +151,131 +13%
Northern Trust
11
Northern Trust
Illinois
$15.2M 1,231,445 +112,697 +10%
Balyasny Asset Management
12
Balyasny Asset Management
Illinois
$14.9M 1,201,015 +190,889 +19%
CC
13
Cannell & Co
New York
$13M 1,051,178 +714,478 +212%
Connor, Clark & Lunn Investment Management (CC&L)
14
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$12.7M 1,025,600 -27,100 -3%
VOYA Investment Management
15
VOYA Investment Management
Georgia
$12M 969,640 +77,982 +9%
CNB
16
City National Bank
California
$11.7M 950,004 -37,942 -4%
UBS AM
17
UBS AM
Illinois
$10.9M 878,144 +7,900 +0.9%
Morgan Stanley
18
Morgan Stanley
New York
$10.1M 818,559 +29,465 +4%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$10M 809,596 +47,390 +6%
AIMCA
20
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$9.52M 770,080 +530,100 +221%
PI
21
Putnam Investments
Massachusetts
$9.5M 767,978 -1,567 -0.2%
Geode Capital Management
22
Geode Capital Management
Massachusetts
$8.32M 673,191 +7,696 +1%
PCM
23
Portolan Capital Management
Massachusetts
$8.21M 664,298 +124,672 +23%
TCM
24
Tekla Capital Management
Massachusetts
$7.02M 567,787 – –
GC
25
Guggenheim Capital
Illinois
$6.16M 497,711 +79,542 +19%
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