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 %
Morgan Stanley
26
Morgan Stanley
New York
$19K 5,122 -706 -12%
Royal Bank of Canada
27
Royal Bank of Canada
Ontario, Canada
$14K 3,517 +1,509 +75%
WB
28
Webster Bank
Connecticut
$12K 3,055 – –
Bank of America
29
Bank of America
North Carolina
$5K 1,257 -745 -37%
BWP
30
Baldwin Wealth Partners
Massachusetts
$2K 500 – –
TRCT
31
Tower Research Capital (TRC)
New York
$2K 628 +561 +837%
RA
32
Rise Advisors
New York
$1.06K 272 +272 New
Federated Hermes
33
Federated Hermes
Pennsylvania
$1K 91 -129 -59%
UBS Group
34
UBS Group
Switzerland
$1K 197 – –
SSB
35
Sandy Spring Bank
Maryland
$1K 300 – –
TFGT
36
TS Financial Group (TSFG)
Illinois
$1K 160 – –
Group One Trading
37
Group One Trading
Illinois
– – -31,535 Closed
CAN
38
Cetera Advisor Networks
California
– – -13,400 Closed
Citadel Advisors
39
Citadel Advisors
Florida
– – -10,622 Closed
OSAM
40
O'Shaughnessy Asset Management
Connecticut
– – -154 Closed
Simplex Trading
41
Simplex Trading
Illinois
– – – –
Wells Fargo
42
Wells Fargo
California
$0 116 – –
CFGS
43
Concourse Financial Group Securities
Alabama
– – – –
AF
44
Advisornet Financial
Minnesota
$0 20 – –
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