MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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47 hedge funds and large institutions have $81.2M invested in Merrimack Pharmaceuticals, Inc. in 2022 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 14 increasing their positions, 11 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
47
Holders Change
+6
Holders Change %
+14.63%
% of All Funds
0.76%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.05%
New
12
Increased
14
Reduced
11
Closed
6
Calls
$6.49M
Puts
$3.64M
Net Calls
+$2.86M
Net Calls Change
+$2.79M

Top Buyers

1
WSL
1
Western Standard LLC
California
$17.5M
2
SCM
2
Sio Capital Management
New York
$2.87M
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$2.93M
4
O
4
OrbiMed
New York
$843K
5
BFM
5
Boothbay Fund Management
New York
$736K

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$0
2
NCM
2
Nantahala Capital Management
Connecticut
$2.41M
3
2L
3
22NW LP
Washington
$11.6M
4
YCM
4
Yakira Capital Management
Connecticut
$982K
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$6.74M
Name Holding Trade Value Shares
Change 		Shares
Change %
Morgan Stanley
26
Morgan Stanley
New York
$105K +$30.4K +2,649 +41%
MWM
27
Mascoma Wealth Management
New Hampshire
$57.3K – – –
TRCT
28
Tower Research Capital (TRC)
New York
$37K +$34.9K +3,057 +1,652%
FWA
29
Freedom Wealth Alliance
Wisconsin
$20.9K +$20.9K +1,820 New
Bank of America
30
Bank of America
North Carolina
$19.2K +$1.64K +143 +9%
WB
31
Webster Bank
Connecticut
$17K -$17K -1,528 -50%
UBS Group
32
UBS Group
Switzerland
$8.88K -$50.7K -4,421 -85%
BWP
33
Baldwin Wealth Partners
Massachusetts
$5.73K – – –
Dimensional Fund Advisors
34
Dimensional Fund Advisors
Texas
$5.4K -$11 -928 -0.2%
JPMorgan Chase & Co
35
JPMorgan Chase & Co
New York
$4K +$4K +354 New
SSB
36
Sandy Spring Bank
Maryland
$3.44K – – –
Kayne Anderson Rudnick Investment Management
37
Kayne Anderson Rudnick Investment Management
California
$3.44K – – –
RA
38
Rise Advisors
New York
$3.11K – – –
TFGT
39
TS Financial Group (TSFG)
Illinois
$2K – – –
Barclays
40
Barclays
United Kingdom
$2K +$2K +135 New
Wells Fargo
41
Wells Fargo
California
$1.93K -$814 -71 -30%
Federated Hermes
42
Federated Hermes
Pennsylvania
$1.03K -$11 -1 -1%
HCM
43
Horrell Capital Management
Arkansas
$1K +$1K +50 New
AAG
44
Armstrong Advisory Group
Massachusetts
$516 +$516 +45 New
AF
45
Advisornet Financial
Minnesota
$229 – – –
NA
46
NewEdge Advisors
Louisiana
$16 +$16 +1,406 New
Point72 Asset Management
47
Point72 Asset Management
Connecticut
– -$4.13M -1,100,994 Closed
Citadel Advisors
48
Citadel Advisors
Florida
– -$51K -13,718 Closed
Group One Trading
49
Group One Trading
Illinois
– -$45K -11,930 Closed
Simplex Trading
50
Simplex Trading
Illinois
– -$32K -8,692 Closed
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