MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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136 hedge funds and large institutions have $415M invested in Merrimack Pharmaceuticals, Inc. in 2016 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 40 increasing their positions, 42 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
136
Holders Change
+8
Holders Change %
+6.25%
% of All Funds
3.41%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
21
Increased
40
Reduced
42
Closed
13
Calls
$1.17M
Puts
$2.88M
Net Calls
-$1.72M
Net Calls Change
-$1.09M

Top Buyers

1
CCM
1
Consonance Capital Management
New York
$37M
2
Franklin Resources
2
Franklin Resources
California
$16.2M
3
GPP
3
Great Point Partners
Connecticut
$20.4M
4
State Street
4
State Street
Massachusetts
$21.8M
5
BFA
5
BlackRock Fund Advisors
California
$27.9M

Top Sellers

1
PI
1
Putnam Investments
Massachusetts
$730K
2
Millennium Management
2
Millennium Management
New York
$507K
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$1.01M
4
PCM
4
Portolan Capital Management
Massachusetts
$0
5
TCM
5
Tekla Capital Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$1.7M +$82.3K +2,564 +5%
William Blair & Company
27
William Blair & Company
Illinois
$1.25M -$10.2K -318 -0.8%
GC
28
Guggenheim Capital
Illinois
$1.17M +$1.17M +36,325 New
BA
29
BlackRock Advisors
Delaware
$1.14M -$108K -3,378 -9%
New York State Common Retirement Fund
30
New York State Common Retirement Fund
New York
$1.06M – – –
JPMorgan Chase & Co
31
JPMorgan Chase & Co
New York
$1.04M +$87.9K +2,738 +9%
CS
32
Candriam SCA
Luxembourg
$1.04M +$122K +3,813 +13%
California State Teachers Retirement System (CalSTRS)
33
California State Teachers Retirement System (CalSTRS)
California
$1.03M -$28.2K -877 -3%
Balyasny Asset Management
34
Balyasny Asset Management
Illinois
$1.01M -$2.97M -92,466 -75%
AIMCA
35
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$974K +$17K +530 +2%
UBS Group
36
UBS Group
Switzerland
$943K +$547K +17,047 +138%
SIP
37
Stoneridge Investment Partners
Pennsylvania
$905K – – –
Brown Advisory
38
Brown Advisory
Maryland
$858K – – –
Citadel Advisors
39
Citadel Advisors
Florida
$847K -$241K -7,503 -22%
CS
40
Credit Suisse
Switzerland
$829K -$627K -19,542 -43%
Swiss National Bank
41
Swiss National Bank
Switzerland
$824K +$66.5K +2,071 +9%
QI
42
QS Investors
New York
$819K -$312K -9,727 -28%
IG
43
ING Group
Netherlands
$818K +$818K +25,420 New
AllianceBernstein
44
AllianceBernstein
Tennessee
$765K – – –
VEA
45
Virtus ETF Advisers
New York
$733K +$325K +10,109 +79%
PI
46
Putnam Investments
Massachusetts
$730K -$10.1M -314,610 -93%
Goldman Sachs
47
Goldman Sachs
New York
$660K +$170K +5,292 +35%
CT
48
Cambridge Trust
Massachusetts
$583K – – –
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$554K +$12.7K +397 +2%
Millennium Management
50
Millennium Management
New York
$507K -$7.44M -232,076 -94%
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