MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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67 hedge funds and large institutions have $126M invested in Merrimack Pharmaceuticals, Inc. in 2023 Q4 according to their latest regulatory filings, with 11 funds opening new positions, 24 increasing their positions, 11 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
67
Holders Change
+4
Holders Change %
+6.35%
% of All Funds
0.98%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.06%
New
11
Increased
24
Reduced
11
Closed
7
Calls
$3.67M
Puts
$2.07M
Net Calls
+$1.6M
Net Calls Change
-$484K

Top Buyers

1
WSL
1
Western Standard LLC
California
$29.1M
2
Morgan Stanley
2
Morgan Stanley
New York
$2.94M
3
ICM
3
Indaba Capital Management
California
$3M
4
BlackRock
4
BlackRock
New York
$9.97M
5
Renaissance Technologies
5
Renaissance Technologies
New York
$656K

Top Sellers

1
CC
1
Centiva Capital
New York
$0
2
Susquehanna International Group
2
Susquehanna International Group
Pennsylvania
$1.08M
3
KCM
3
Kennedy Capital Management
Missouri
$620K
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$5.84M
5
FLC
5
Fifth Lane Capital
Texas
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Deutsche Bank
51
Deutsche Bank
Germany
$13.1K +$925 +69 +8%
AIP
52
Ameritas Investment Partners
Nebraska
$11.6K – – –
MLICM
53
Metropolitan Life Insurance Company (MetLife)
New York
$7.79K – – –
Comerica Bank
54
Comerica Bank
Texas
$6.71K – – –
Kayne Anderson Rudnick Investment Management
55
Kayne Anderson Rudnick Investment Management
California
$4.02K – – –
SSB
56
Sandy Spring Bank
Maryland
$4.02K – – –
HT
57
Headlands Technologies
Illinois
$4.02K +$4.02K +300 New
RA
58
Rise Advisors
New York
$3.64K – – –
Group One Trading
59
Group One Trading
Illinois
$3.17K -$57.6K -4,292 -95%
TFGT
60
TS Financial Group (TSFG)
Illinois
$2K – – –
Federated Hermes
61
Federated Hermes
Pennsylvania
$1.14K -$40 -3 -3%
HCM
62
Horrell Capital Management
Arkansas
$1K – – –
C
63
Covestor
United Kingdom
$1K +$179 +19 +22%
AAG
64
Armstrong Advisory Group
Massachusetts
$604 – – –
Nisa Investment Advisors
65
Nisa Investment Advisors
Missouri
$201 – – –
PNC Financial Services Group
66
PNC Financial Services Group
Pennsylvania
$107 +$107 +8 New
GI
67
GAMMA Investing
California
$27 +$27 +2 New
CC
68
Centiva Capital
New York
– -$2.32M -187,803 Closed
FLC
69
Fifth Lane Capital
Texas
– -$134K -10,929 Closed
MWM
70
Mascoma Wealth Management
New Hampshire
– -$61.7K -5,000 Closed
Citadel Advisors
71
Citadel Advisors
Florida
– -$41.9K -3,398 Closed
DWA
72
Dorsey Wright & Associates
California
– -$23.8K -1,933 Closed
WB
73
Webster Bank
Connecticut
– -$18.8K -1,527 Closed
AF
74
Advisornet Financial
Minnesota
– -$247 -20 Closed
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