MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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62 hedge funds and large institutions have $98.5M invested in Merrimack Pharmaceuticals, Inc. in 2023 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 18 increasing their positions, 10 reducing their positions, and 6 closing their positions.

Holders
62
Holders Change
+12
Holders Change %
+24%
% of All Funds
0.98%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
18
Increased
18
Reduced
10
Closed
6
Calls
$2.38M
Puts
$407K
Net Calls
+$1.98M
Net Calls Change
-$860K

Top Buyers

1
BlackRock
1
BlackRock
New York
$8.32M
2
State Street
2
State Street
Massachusetts
$2.14M
3
Geode Capital Management
3
Geode Capital Management
Massachusetts
$3M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$6.85M
5
Northern Trust
5
Northern Trust
Illinois
$1.43M

Top Sellers

1
Invesco
1
Invesco
Georgia
$0
2
NCM
2
Nantahala Capital Management
Connecticut
$1.37M
3
BFM
3
Boothbay Fund Management
New York
$571K
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$905K
5
Jane Street
5
Jane Street
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
RhumbLine Advisers
26
RhumbLine Advisers
Massachusetts
$155K +$155K +12,566 New
FLC
27
Fifth Lane Capital
Texas
$134K +$134K +10,929 New
Millennium Management
28
Millennium Management
New York
$132K -$362K -29,455 -73%
TRCT
29
Tower Research Capital (TRC)
New York
$130K +$115K +9,332 +756%
JPMorgan Chase & Co
30
JPMorgan Chase & Co
New York
$103K +$103K +8,344 New
New York State Common Retirement Fund
31
New York State Common Retirement Fund
New York
$100K +$100K +8,100 New
UBS Group
32
UBS Group
Switzerland
$80.7K +$42.2K +3,431 +110%
MIM
33
MetLife Investment Management
New Jersey
$69K +$69K +5,610 New
Barclays
34
Barclays
United Kingdom
$69K +$2.2K +179 +3%
AIG
35
American International Group
New York
$62K +$62K +5,039 New
MWM
36
Mascoma Wealth Management
New Hampshire
$61.1K – – –
Wells Fargo
37
Wells Fargo
California
$54.7K +$52.6K +4,276 +2,515%
Bank of America
38
Bank of America
North Carolina
$46.9K +$28.6K +2,322 +156%
Citadel Advisors
39
Citadel Advisors
Florida
$45.5K -$59K -4,794 -56%
California State Teachers Retirement System (CalSTRS)
40
California State Teachers Retirement System (CalSTRS)
California
$42.8K +$42.8K +3,483 New
Citigroup
41
Citigroup
New York
$38.3K +$38.3K +3,117 New
Lazard Asset Management
42
Lazard Asset Management
New York
$38K -$22.2K -1,828 -37%
BNP Paribas Financial Markets
43
BNP Paribas Financial Markets
France
$33.5K +$33.5K +2,726 New
DWA
44
Dorsey Wright & Associates
California
$24.6K +$2.47K +201 +11%
AB
45
Amalgamated Bank
New York
$20K +$20K +1,587 New
WB
46
Webster Bank
Connecticut
$18.8K – – –
NA
47
NewEdge Advisors
Louisiana
$17.3K – – –
Legal & General Group
48
Legal & General Group
United Kingdom
$15.8K +$15.8K +1,286 New
Royal Bank of Canada
49
Royal Bank of Canada
Ontario, Canada
$15K +$14.9K +1,247 +15,588%
AIP
50
Ameritas Investment Partners
Nebraska
$10.6K +$10.6K +865 New
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