MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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81 hedge funds and large institutions have $61.4M invested in Merrimack Pharmaceuticals, Inc. in 2018 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 23 increasing their positions, 21 reducing their positions, and 12 closing their positions.

Holders
81
Holders Change
+3
Holders Change %
+3.85%
% of All Funds
1.86%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
23
Reduced
21
Closed
12
Calls
$436K
Puts
$192K
Net Calls
+$244K
Net Calls Change
+$317K

Top Buyers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$1.87M
2
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$2.98M
3
Deutsche Bank
3
Deutsche Bank
Germany
$2.11M
4
RCMNY
4
Rubric Capital Management (New York)
New York
$3.83M
5
Connor, Clark & Lunn Investment Management (CC&L)
5
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.15M

Top Sellers

1
NM
1
Newtyn Management
New York
$1.13M
2
BIM
2
Bogle Investment Management
Massachusetts
$0
3
Millennium Management
3
Millennium Management
New York
$1.06M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$4.82M
5
Susquehanna International Group
5
Susquehanna International Group
Pennsylvania
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$13M 1,615,019 +18,596 +1%
BlackRock
2
BlackRock
New York
$6.48M 805,320 -7,721 -0.9%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.82M 598,410 -55,521 -8%
TCIM
4
TIAA CREF Investment Management
New York
$4.42M 548,881 -2,469 -0.4%
RCMNY
5
Rubric Capital Management (New York)
New York
$3.83M 476,164 +65,920 +16%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$2.98M 369,982 +168,657 +84%
Franklin Resources
7
Franklin Resources
California
$2.98M 369,625 – –
Deutsche Bank
8
Deutsche Bank
Germany
$2.11M 262,701 +118,931 +83%
Renaissance Technologies
9
Renaissance Technologies
New York
$1.87M 232,098 +232,098 New
State Street
10
State Street
Massachusetts
$1.76M 218,396 -1,269 -0.6%
Northern Trust
11
Northern Trust
Illinois
$1.28M 159,477 +9,956 +7%
Connor, Clark & Lunn Investment Management (CC&L)
12
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.15M 143,265 +54,625 +62%
NM
13
Newtyn Management
New York
$1.13M 140,857 -221,478 -61%
Millennium Management
14
Millennium Management
New York
$1.06M 131,504 -73,062 -36%
WIM
15
Wittenberg Investment Management
Massachusetts
$993K 123,311 +39,500 +47%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$884K 109,879 +1,258 +1%
Federated Hermes
17
Federated Hermes
Pennsylvania
$879K 109,179 -8,531 -7%
Russell Investments Group
18
Russell Investments Group
United Kingdom
$857K 106,464 +13,484 +15%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$639K 79,426 -784 -1%
CC
20
Cannell & Co
New York
$607K 75,367 -100 -0.1%
YCM
21
Yakira Capital Management
Connecticut
$599K 74,434 -9,535 -11%
Royal Bank of Canada
22
Royal Bank of Canada
Ontario, Canada
$583K 72,492 +1,737 +2%
SIM
23
Spark Investment Management
New York
$472K 58,700 +48,000 +449%
Charles Schwab
24
Charles Schwab
California
$432K 53,583 -2,338 -4%
PP
25
PDT Partners
New York
$427K 53,100 -4,904 -8%
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