MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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95 hedge funds and large institutions have $200M invested in Merrimack Pharmaceuticals, Inc. in 2013 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 43 increasing their positions, 17 reducing their positions, and 13 closing their positions.

Holders
95
Holders Change
+6
Holders Change %
+6.74%
% of All Funds
3.08%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
20
Increased
43
Reduced
17
Closed
13
Calls
$213K
Puts
$239K
Net Calls
-$26K
Net Calls Change
-$137K

Top Buyers

1
Jennison Associates
1
Jennison Associates
New York
$20.7M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$5.12M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$17.8M
4
MF
4
Magnetar Financial
Illinois
$6.29M
5
Northern Trust
5
Northern Trust
Illinois
$4.98M

Top Sellers

1
CS
1
Credit Suisse
Switzerland
$11.8M
2
FAM
2
Fred Alger Management
New York
$0
3
Bank of America
3
Bank of America
North Carolina
$1.92M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$59.3M
5
Alyeska Investment Group
5
Alyeska Investment Group
Illinois
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
ACPU
26
Arrowgrass Capital Partners (US)
Delaware
$867K +$867K +29,085 New
Charles Schwab
27
Charles Schwab
California
$858K +$217K +7,065 +34%
Millennium Management
28
Millennium Management
New York
$720K +$634K +21,264 +740%
FIG
29
Fortress Investment Group
New York
$693K +$92.3K +3,087 +15%
DCM
30
DAFNA Capital Management
California
$687K +$687K +23,025 New
California State Teachers Retirement System (CalSTRS)
31
California State Teachers Retirement System (CalSTRS)
California
$657K +$55.1K +1,843 +9%
SGAM
32
Smith Group Asset Management
Texas
$626K +$77.2K +2,590 +14%
AllianceBernstein
33
AllianceBernstein
Tennessee
$615K +$27K +901 +5%
Goldman Sachs
34
Goldman Sachs
New York
$615K +$30.4K +1,019 +5%
U
35
UBS
Switzerland
$572K – – –
TA
36
Teachers Advisors
New York
$565K +$109K +3,634 +24%
Brown Advisory
37
Brown Advisory
Maryland
$440K – – –
Susquehanna International Group
38
Susquehanna International Group
Pennsylvania
$416K +$416K +13,913 New
HighTower Advisors
39
HighTower Advisors
Illinois
$386K +$386K +5,538 New
GBA
40
Garrison Bradford & Associates
New York
$371K – – –
ProShare Advisors
41
ProShare Advisors
Maryland
$368K +$261K +8,735 +244%
Swiss National Bank
42
Swiss National Bank
Switzerland
$351K +$25.1K +839 +8%
Nomura Holdings
43
Nomura Holdings
Japan
$327K +$327K +10,944 New
RhumbLine Advisers
44
RhumbLine Advisers
Massachusetts
$317K +$11.4K +383 +4%
SIP
45
Stoneridge Investment Partners
Pennsylvania
$317K +$317K +10,616 New
WMSA
46
Weiss Multi-Strategy Advisers
New York
$303K +$75.8K +2,542 +33%
NFA
47
Nationwide Fund Advisors
Ohio
$291K +$155K +5,179 +114%
MLICM
48
Metropolitan Life Insurance Company (MetLife)
New York
$282K – – –
VOYA Investment Management
49
VOYA Investment Management
Georgia
$249K – – –
AIG
50
American International Group
New York
$235K +$195K +6,538 +491%
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