MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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63 hedge funds and large institutions have $104M invested in Merrimack Pharmaceuticals, Inc. in 2023 Q3 according to their latest regulatory filings, with 7 funds opening new positions, 17 increasing their positions, 16 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
63
Holders Change
+1
Holders Change %
+1.61%
% of All Funds
1%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.06%
New
7
Increased
17
Reduced
16
Closed
6
Calls
$3.74M
Puts
$1.66M
Net Calls
+$2.08M
Net Calls Change
+$107K

Top Buyers

1
WSL
Western Standard LLC
California
$23.4M
2
CC
Centiva Capital
New York
$2.32M
3
ICM
Indaba Capital Management
California
$1.69M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$1.93M
5
Vanguard Group
Vanguard Group
Pennsylvania
$7.4M

Top Sellers

1
NCM
Nantahala Capital Management
Connecticut
$0
2
Marshall Wace
Marshall Wace
United Kingdom
$0
3
BFM
Boothbay Fund Management
New York
$0
4
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$0
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
$5.53M
Name Holding Trade Value Shares
Change 		Shares
Change %
WSL
1
Western Standard LLC
California
$23.4M +$2.73M +221,550 +13%
NM
2
Newtyn Management
New York
$23.1M – – –
BlackRock
3
BlackRock
New York
$8.52M +$179K +14,527 +2%
Vanguard Group
4
Vanguard Group
Pennsylvania
$7.4M +$537K +43,546 +8%
MAP
5
Madison Avenue Partners
New York
$6.82M – – –
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$5.53M -$138K -11,208 -2%
SC
7
Sepio Capital
Utah
$3.78M +$150K +12,135 +4%
SCM
8
Sio Capital Management
New York
$3.56M -$28.1K -2,283 -0.8%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$3.1M +$96K +7,783 +3%
WIM
10
Wittenberg Investment Management
Massachusetts
$2.59M +$58.5K +4,745 +2%
State Street
11
State Street
Massachusetts
$2.37M +$219K +17,739 +10%
CC
12
Centiva Capital
New York
$2.32M +$2.32M +187,803 New
Susquehanna International Group
13
Susquehanna International Group
Pennsylvania
$1.93M +$1.02M +83,038 +113%
ICM
14
Indaba Capital Management
California
$1.69M +$1.69M +136,802 New
Northern Trust
15
Northern Trust
Illinois
$1.42M -$7.68K -623 -0.5%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$1.23M -$7.57K -614 -0.6%
KCM
17
Kennedy Capital Management
Missouri
$1.16M +$27.2K +2,202 +2%
Morgan Stanley
18
Morgan Stanley
New York
$1.15M +$129K +10,492 +13%
YCM
19
Yakira Capital Management
Connecticut
$667K -$123K -10,000 -16%
Goldman Sachs
20
Goldman Sachs
New York
$431K +$257K +20,811 +147%
BCM
21
Bridgeway Capital Management
Texas
$422K – – –
Charles Schwab
22
Charles Schwab
California
$365K – – –
RhumbLine Advisers
23
RhumbLine Advisers
Massachusetts
$171K +$16.2K +1,313 +10%
Nuveen Asset Management
24
Nuveen Asset Management
Illinois
$169K – – –
FLC
25
Fifth Lane Capital
Texas
$134K – – –
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