MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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39 hedge funds and large institutions have $37.3M invested in Merrimack Pharmaceuticals, Inc. in 2021 Q3 according to their latest regulatory filings, with 2 funds opening new positions, 4 increasing their positions, 13 reducing their positions, and 6 closing their positions.

Holders
39
Holders Change
-4
Holders Change %
-9.3%
% of All Funds
0.68%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
2
Increased
4
Reduced
13
Closed
6
Calls
$215K
Puts
$839K
Net Calls
-$624K
Net Calls Change
-$345K

Top Buyers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$1.65M
2
BlackRock
2
BlackRock
New York
$1.02M
3
MWM
3
Mascoma Wealth Management
New Hampshire
$24K
4
Bank of America
4
Bank of America
North Carolina
$10K
5
OSAM
5
O'Shaughnessy Asset Management
Connecticut
$1K

Top Sellers

1
SC
1
Sepio Capital
Utah
$381K
2
Susquehanna International Group
2
Susquehanna International Group
Pennsylvania
$0
3
Marshall Wace
3
Marshall Wace
United Kingdom
$0
4
Renaissance Technologies
4
Renaissance Technologies
New York
$302K
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$2.41M
Name Market Value Shares Shares
Change 		Shares
Change %
NM
1
Newtyn Management
New York
$7.48M 1,548,883 – –
WSL
2
Western Standard LLC
California
$6.13M 1,269,558 – –
2L
3
22NW LP
Washington
$6M 1,241,896 – –
Vanguard Group
4
Vanguard Group
Pennsylvania
$2.99M 618,609 – –
NCM
5
Nantahala Capital Management
Connecticut
$2.75M 569,971 -1,975 -0.3%
BCM
6
Bronte Capital Management
Australia
$2.65M 548,836 – –
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$2.41M 499,368 -18,277 -4%
Point72 Asset Management
8
Point72 Asset Management
Connecticut
$1.65M 341,685 +132,122 +63%
BlackRock
9
BlackRock
New York
$1.02M 211,051 +23,961 +13%
WIM
10
Wittenberg Investment Management
Massachusetts
$911K 188,694 -600 -0.3%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$467K 96,692 – –
SC
12
Sepio Capital
Utah
$381K 78,829 -142,610 -64%
Renaissance Technologies
13
Renaissance Technologies
New York
$302K 62,520 -39,450 -39%
YCM
14
Yakira Capital Management
Connecticut
$293K 60,634 – –
BCM
15
Bridgeway Capital Management
Texas
$286K 59,200 – –
State Street
16
State Street
Massachusetts
$225K 46,556 – –
Two Sigma Investments
17
Two Sigma Investments
New York
$222K 45,915 -16,204 -26%
LPIC
18
LeJeune Puetz Investment Counsel
Michigan
$202K 4,200 – –
Bank of New York Mellon
19
Bank of New York Mellon
New York
$198K 40,996 – –
Two Sigma Advisers
20
Two Sigma Advisers
New York
$157K 32,481 -9,685 -23%
Group One Trading
21
Group One Trading
Illinois
$152K 31,535 -2,958 -9%
Northern Trust
22
Northern Trust
Illinois
$121K 25,151 -6,527 -21%
Brown Advisory
23
Brown Advisory
Maryland
$73K 15,029 – –
CAN
24
Cetera Advisor Networks
California
$65K 13,400 – –
Citadel Advisors
25
Citadel Advisors
Florida
$51K 10,622 -8,530 -45%
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