MACK

Merrimack Pharmaceuticals, Inc.

Delisted

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

40 hedge funds and large institutions have $55.2M invested in Merrimack Pharmaceuticals, Inc. in 2020 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 7 increasing their positions, 10 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
40
Holders Change
+2
Holders Change %
+5.26%
% of All Funds
0.71%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
6
Increased
7
Reduced
10
Closed
4
Calls
$3.31M
Puts
$474K
Net Calls
+$2.84M
Net Calls Change
+$2.32M
Name Holding Trade Value Shares
Change
Shares
Change %
NM
1
Newtyn Management
New York
$10.7M +$1.74M +252,447 +19%
2L
2
22NW LP
Washington
$8.56M
WSL
3
Western Standard LLC
California
$6.97M -$356K -51,696 -5%
NCM
4
Nantahala Capital Management
Connecticut
$5.18M -$689 -100 -0%
Vanguard Group
5
Vanguard Group
Pennsylvania
$4.07M +$604K +87,595 +17%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$3.79M -$115K -16,646 -3%
BCM
7
Bronte Capital Management
Australia
$3.66M
Two Sigma Investments
8
Two Sigma Investments
New York
$1.84M +$1.84M +267,555 New
BlackRock
9
BlackRock
New York
$1.74M -$5.85K -849 -0.3%
Two Sigma Advisers
10
Two Sigma Advisers
New York
$1.52M +$1.52M +220,110 New
SC
11
Sepio Capital
Utah
$1.33M -$9.02K -1,309 -0.7%
WIM
12
Wittenberg Investment Management
Massachusetts
$1.28M
Renaissance Technologies
13
Renaissance Technologies
New York
$1.22M +$1.22M +176,861 New
Geode Capital Management
14
Geode Capital Management
Massachusetts
$575K
Susquehanna International Group
15
Susquehanna International Group
Pennsylvania
$533K +$38.1K +5,529 +8%
BCM
16
Bridgeway Capital Management
Texas
$425K
YCM
17
Yakira Capital Management
Connecticut
$418K -$43.4K -6,300 -9%
Marshall Wace
18
Marshall Wace
United Kingdom
$385K +$385K +55,848 New
Northern Trust
19
Northern Trust
Illinois
$247K -$5.11K -742 -2%
LPIC
20
LeJeune Puetz Investment Counsel
Michigan
$204K
Citadel Advisors
21
Citadel Advisors
Florida
$151K +$151K +21,943 New
Bank of New York Mellon
22
Bank of New York Mellon
New York
$121K +$214 +31 +0.2%
Brown Advisory
23
Brown Advisory
Maryland
$104K
State Street
24
State Street
Massachusetts
$77K
Morgan Stanley
25
Morgan Stanley
New York
$34K +$8.27K +1,231 +32%