MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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150 hedge funds and large institutions have $931M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 66 increasing their positions, 34 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
150
Holders Change
-2
Holders Change %
-1.32%
% of All Funds
4.05%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
19
Increased
66
Reduced
34
Closed
19
Calls
$6.62M
Puts
$2.61M
Net Calls
+$4.01M
Net Calls Change
+$2.39M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$60.4M
2
CC
2
Cannell & Co
New York
$13M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$116M
4
AIMCA
4
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$9.52M
5
TCIM
5
TIAA CREF Investment Management
New York
$38.4M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$3.21M
2
Two Sigma Investments
2
Two Sigma Investments
New York
$574K
3
ACM
3
Alpha Capital Management
Texas
$0
4
SIM
4
Spark Investment Management
New York
$243K
5
Invesco
5
Invesco
Georgia
$3M
Name Holding Trade Value Shares
Change 		Shares
Change %
Marshall Wace
26
Marshall Wace
United Kingdom
$6.11M +$6.11M +62,829 New
Fuller & Thaler Asset Management
27
Fuller & Thaler Asset Management
California
$5.84M +$122K +1,258 +2%
American Century Companies
28
American Century Companies
Missouri
$5.7M +$1.28M +13,123 +29%
Axa
29
Axa
France
$5.48M – – –
CS
30
Credit Suisse
Switzerland
$5.46M +$1.2M +12,291 +28%
BIM
31
BlackRock Investment Management
Delaware
$4.65M +$1.26M +12,956 +37%
William Blair & Company
32
William Blair & Company
Illinois
$4.47M +$202K +2,078 +5%
Ameriprise
33
Ameriprise
Minnesota
$4.4M +$3.22M +33,116 +275%
EI
34
EAM Investors
California
$4.33M -$267K -2,746 -6%
Wellington Management Group
35
Wellington Management Group
Massachusetts
$4.16M +$244K +2,504 +6%
CCM
36
Cadence Capital Management
Massachusetts
$4.06M +$184K +1,893 +5%
Charles Schwab
37
Charles Schwab
California
$3.99M +$259K +2,657 +7%
QI
38
QS Investors
New York
$3.74M – – –
Goldman Sachs
39
Goldman Sachs
New York
$3.3M -$215K -2,215 -6%
Millennium Management
40
Millennium Management
New York
$3.21M -$7.83M -80,455 -71%
JPMorgan Chase & Co
41
JPMorgan Chase & Co
New York
$3.12M -$137K -1,407 -4%
GCP
42
GSA Capital Partners
United Kingdom
$3.1M +$1.16M +11,959 +60%
Invesco
43
Invesco
Georgia
$3M -$1.88M -19,281 -38%
BA
44
BlackRock Advisors
Delaware
$2.84M -$1.32M -13,597 -32%
Brown Advisory
45
Brown Advisory
Maryland
$2.69M -$161K -1,650 -6%
ARTA
46
A.R.T. Advisors
New York
$2.5M +$1.65M +16,974 +195%
California State Teachers Retirement System (CalSTRS)
47
California State Teachers Retirement System (CalSTRS)
California
$2.49M +$260K +2,669 +12%
CS
48
Candriam SCA
Luxembourg
$2.41M +$2.41M +24,785 New
UBS Group
49
UBS Group
Switzerland
$2.4M -$261K -2,681 -10%
AllianceBernstein
50
AllianceBernstein
Tennessee
$2.12M +$130K +1,334 +7%
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