MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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38 hedge funds and large institutions have $28M invested in Merrimack Pharmaceuticals, Inc. in 2020 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 8 increasing their positions, 8 reducing their positions, and 2 closing their positions.

Holders
38
Holders Change
+2
Holders Change %
+5.56%
% of All Funds
0.77%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
4
Increased
8
Reduced
8
Closed
2
Calls
$801K
Puts
$281K
Net Calls
+$520K
Net Calls Change
+$153K

Top Buyers

1
BCM
1
Bronte Capital Management
Australia
$2.05M
2
WSL
2
Western Standard LLC
California
$4.25M
3
NM
3
Newtyn Management
New York
$5.19M
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$288K
5
LA
5
LVW Advisors
New York
$80K

Top Sellers

1
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$2.27M
2
SC
2
Sepio Capital
Utah
$779K
3
PAG
3
Private Advisor Group
New Jersey
$0
4
Northern Trust
4
Northern Trust
Illinois
$146K
5
WR
5
Watson Rebecca
$0
Name Market Value Shares Shares
Change 		Shares
Change %
NM
1
Newtyn Management
New York
$5.19M 1,296,436 +96,830 +8%
2L
2
22NW LP
Washington
$4.97M 1,241,896 – –
WSL
3
Western Standard LLC
California
$4.25M 1,063,267 +193,913 +22%
NCM
4
Nantahala Capital Management
Connecticut
$3.01M 751,943 +4,308 +0.6%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$2.27M 567,185 -20,238 -3%
BCM
6
Bronte Capital Management
Australia
$2.05M 531,510 +531,510 New
Vanguard Group
7
Vanguard Group
Pennsylvania
$2.01M 503,027 – –
BlackRock
8
BlackRock
New York
$1.01M 252,780 +1,846 +0.7%
SC
9
Sepio Capital
Utah
$779K 194,785 -15,749 -7%
WIM
10
Wittenberg Investment Management
Massachusetts
$620K 186,198 – –
Geode Capital Management
11
Geode Capital Management
Massachusetts
$333K 83,484 +2,337 +3%
Susquehanna International Group
12
Susquehanna International Group
Pennsylvania
$288K 71,883 +30,838 +75%
YCM
13
Yakira Capital Management
Connecticut
$268K 66,934 – –
BCM
14
Bridgeway Capital Management
Texas
$247K 61,700 – –
LPIC
15
LeJeune Puetz Investment Counsel
Michigan
$211K 4,200 – –
Northern Trust
16
Northern Trust
Illinois
$146K 36,632 -5,154 -12%
LA
17
LVW Advisors
New York
$80K 20,000 +20,000 New
Bank of New York Mellon
18
Bank of New York Mellon
New York
$70K 17,512 – –
Brown Advisory
19
Brown Advisory
Maryland
$60K 15,029 – –
State Street
20
State Street
Massachusetts
$45K 11,185 – –
Morgan Stanley
21
Morgan Stanley
New York
$15K 3,832 +357 +10%
WB
22
Webster Bank
Connecticut
$12K 3,055 – –
PCM
23
Prelude Capital Management
New York
$11K 2,700 -100 -4%
Bank of America
24
Bank of America
North Carolina
$6K 1,437 -140 -9%
BWP
25
Baldwin Wealth Partners
Massachusetts
$2K 500 – –
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