MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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89 hedge funds and large institutions have $310M invested in Merrimack Pharmaceuticals, Inc. in 2013 Q2 according to their latest regulatory filings, with 89 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
89
Holders Change
+89
Holders Change %
–
% of All Funds
2.91%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
89
Increased
–
Reduced
–
Closed
–
Calls
$413K
Puts
$302K
Net Calls
+$111K
Net Calls Change
+$111K

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$107M
2
CS
2
Credit Suisse
Switzerland
$31.1M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$25.3M
4
Jennison Associates
4
Jennison Associates
New York
$21.1M
5
BFA
5
BlackRock Fund Advisors
California
$19.9M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$107M 15,935,258 +15,935,258 New
CS
2
Credit Suisse
Switzerland
$31.1M 4,607,210 +4,607,210 New
Vanguard Group
3
Vanguard Group
Pennsylvania
$25.3M 3,759,537 +3,759,537 New
Jennison Associates
4
Jennison Associates
New York
$21.1M 3,140,392 +3,140,392 New
BFA
5
BlackRock Fund Advisors
California
$19.9M 2,946,166 +2,946,166 New
Westfield Capital Management
6
Westfield Capital Management
Massachusetts
$10.1M 1,491,850 +1,491,850 New
BIT
7
BlackRock Institutional Trust
California
$9.14M 1,356,403 +1,356,403 New
Bank of America
8
Bank of America
North Carolina
$9.14M 1,355,891 +1,355,891 New
State Street
9
State Street
Massachusetts
$7.86M 1,167,059 +1,167,059 New
FCM
10
Farallon Capital Management
California
$7.19M 1,067,538 +1,067,538 New
Bank of New York Mellon
11
Bank of New York Mellon
New York
$7.02M 1,041,020 +1,041,020 New
FAM
12
Fred Alger Management
New York
$5.28M 782,711 +782,711 New
MF
13
Magnetar Financial
Illinois
$5.08M 754,837 +754,837 New
O
14
OppenheimerFunds
New York
$5.02M 746,034 +746,034 New
TCM
15
Tekla Capital Management
Massachusetts
$3.62M 537,600 +537,600 New
Northern Trust
16
Northern Trust
Illinois
$3.36M 498,914 +498,914 New
TCIM
17
TIAA CREF Investment Management
New York
$2.48M 368,738 +368,738 New
JPMorgan Chase & Co
18
JPMorgan Chase & Co
New York
$2.36M 350,728 +350,728 New
PI
19
Putnam Investments
Massachusetts
$2.02M 300,000 +300,000 New
CT
20
Cambridge Trust
Massachusetts
$1.61M 239,003 +239,003 New
BIM
21
BlackRock Investment Management
Delaware
$1.59M 236,235 +236,235 New
Charles Schwab
22
Charles Schwab
California
$1.14M 164,311 +164,311 New
Alyeska Investment Group
23
Alyeska Investment Group
Illinois
$1.09M 162,088 +162,088 New
California State Teachers Retirement System (CalSTRS)
24
California State Teachers Retirement System (CalSTRS)
California
$1.07M 158,343 +158,343 New
FIG
25
Fortress Investment Group
New York
$1.06M 158,000 +158,000 New
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