MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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43 hedge funds and large institutions have $48.1M invested in Merrimack Pharmaceuticals, Inc. in 2022 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 11 increasing their positions, 11 reducing their positions, and 1 closing their positions.

Holders
43
Holders Change
+2
Holders Change %
+4.88%
% of All Funds
0.73%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
3
Increased
11
Reduced
11
Closed
1
Calls
$117K
Puts
$283K
Net Calls
-$166K
Net Calls Change
+$661K

Top Buyers

1
WSL
1
Western Standard LLC
California
$7.55M
2
NM
2
Newtyn Management
New York
$10.5M
3
YCM
3
Yakira Capital Management
Connecticut
$689K
4
SC
4
Sepio Capital
Utah
$1.88M
5
Citadel Advisors
5
Citadel Advisors
Florida
$97K

Top Sellers

1
NCM
1
Nantahala Capital Management
Connecticut
$2.92M
2
RCM
2
Radnor Capital Management
Pennsylvania
$0
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$1.99M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$148K
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$2.84M
Name Market Value Shares Shares
Change 		Shares
Change %
NM
1
Newtyn Management
New York
$10.5M 1,758,005 +44,393 +3%
WSL
2
Western Standard LLC
California
$7.55M 1,269,558 +97,095 +8%
2L
3
22NW LP
Washington
$7.39M 1,241,896 – –
Vanguard Group
4
Vanguard Group
Pennsylvania
$3.62M 608,204 – –
BCM
5
Bronte Capital Management
Australia
$3.44M 578,313 – –
NCM
6
Nantahala Capital Management
Connecticut
$2.92M 491,509 -25,308 -5%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$2.84M 476,708 -5,776 -1%
Point72 Asset Management
8
Point72 Asset Management
Connecticut
$1.99M 335,108 -6,577 -2%
SC
9
Sepio Capital
Utah
$1.88M 316,313 +19,767 +7%
BlackRock
10
BlackRock
New York
$1.24M 207,715 -3,724 -2%
WIM
11
Wittenberg Investment Management
Massachusetts
$1.12M 188,694 – –
YCM
12
Yakira Capital Management
Connecticut
$689K 115,821 +27,138 +31%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$599K 100,808 +1,146 +1%
BCM
14
Bridgeway Capital Management
Texas
$352K 59,200 – –
State Street
15
State Street
Massachusetts
$277K 46,556 – –
Bank of New York Mellon
16
Bank of New York Mellon
New York
$244K 40,951 -45 -0.1%
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$231K 38,747 +1,017 +3%
Simplex Trading
18
Simplex Trading
Illinois
$216K 36,468 -1,351 -4%
Two Sigma Investments
19
Two Sigma Investments
New York
$148K 24,919 -5,820 -19%
Northern Trust
20
Northern Trust
Illinois
$142K 23,803 -1,260 -5%
Two Sigma Advisers
21
Two Sigma Advisers
New York
$113K 18,981 -4,200 -18%
LPIC
22
LeJeune Puetz Investment Counsel
Michigan
$110K 2,200 – –
Citadel Advisors
23
Citadel Advisors
Florida
$97K 16,211 +16,211 New
Group One Trading
24
Group One Trading
Illinois
$93K 15,555 +4,969 +47%
Brown Advisory
25
Brown Advisory
Maryland
$89K 15,029 – –
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