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 $29.5M invested in Merrimack Pharmaceuticals, Inc. in 2021 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 4 increasing their positions, 11 reducing their positions, and 4 closing their positions.

Holders
38
Holders Change
-1
Holders Change %
-2.56%
% of All Funds
0.59%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
3
Increased
4
Reduced
11
Closed
4
Calls
$180K
Puts
$990K
Net Calls
-$810K
Net Calls Change
-$186K

Top Buyers

1
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$107K
2
RCM
2
Radnor Capital Management
Pennsylvania
$52K
3
YCM
3
Yakira Capital Management
Connecticut
$287K
4
BlackRock
4
BlackRock
New York
$832K
5
Royal Bank of Canada
5
Royal Bank of Canada
Ontario, Canada
$14K

Top Sellers

1
WSL
1
Western Standard LLC
California
$4.58M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$76K
3
Group One Trading
3
Group One Trading
Illinois
$0
4
CAN
4
Cetera Advisor Networks
California
$0
5
Citadel Advisors
5
Citadel Advisors
Florida
$0
Name Market Value Shares Shares
Change 		Shares
Change %
NM
1
Newtyn Management
New York
$6.06M 1,548,883 – –
2L
2
22NW LP
Washington
$4.86M 1,241,896 – –
WSL
3
Western Standard LLC
California
$4.58M 1,172,463 -97,095 -8%
Vanguard Group
4
Vanguard Group
Pennsylvania
$2.41M 616,848 -1,761 -0.3%
NCM
5
Nantahala Capital Management
Connecticut
$2.23M 569,971 – –
BCM
6
Bronte Capital Management
Australia
$2.1M 537,584 -11,252 -2%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$1.91M 488,687 -10,681 -2%
Point72 Asset Management
8
Point72 Asset Management
Connecticut
$1.34M 341,685 – –
BlackRock
9
BlackRock
New York
$832K 212,663 +1,612 +0.8%
WIM
10
Wittenberg Investment Management
Massachusetts
$738K 188,694 – –
Geode Capital Management
11
Geode Capital Management
Massachusetts
$378K 96,692 – –
SC
12
Sepio Capital
Utah
$308K 78,829 – –
YCM
13
Yakira Capital Management
Connecticut
$287K 73,450 +12,816 +21%
BCM
14
Bridgeway Capital Management
Texas
$231K 59,200 – –
LPIC
15
LeJeune Puetz Investment Counsel
Michigan
$219K 3,600 -600 -14%
State Street
16
State Street
Massachusetts
$182K 46,556 – –
Bank of New York Mellon
17
Bank of New York Mellon
New York
$160K 40,996 – –
Two Sigma Investments
18
Two Sigma Investments
New York
$141K 35,966 -9,949 -22%
Susquehanna International Group
19
Susquehanna International Group
Pennsylvania
$107K 27,299 +27,299 New
Two Sigma Advisers
20
Two Sigma Advisers
New York
$100K 25,681 -6,800 -21%
Northern Trust
21
Northern Trust
Illinois
$98K 25,151 – –
Renaissance Technologies
22
Renaissance Technologies
New York
$76K 19,461 -43,059 -69%
Brown Advisory
23
Brown Advisory
Maryland
$59K 15,029 – –
RCM
24
Radnor Capital Management
Pennsylvania
$52K 13,332 +13,332 New
MWM
25
Mascoma Wealth Management
New Hampshire
$20K 5,000 – –
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