MACK

Merrimack Pharmaceuticals, Inc.
MACK

Overview Fund Activity
Delisted

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

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152 hedge funds and large institutions have $819M invested in Merrimack Pharmaceuticals, Inc. in 2015 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 49 increasing their positions, 47 reducing their positions, and 14 closing their positions.

Holders
152
Holders Change
+9
Holders Change %
+6.29%
% 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
24
Increased
49
Reduced
47
Closed
14
Calls
$3.47M
Puts
$1.85M
Net Calls
+$1.62M
Net Calls Change
+$2.41M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$34.5M
2
TCIM
2
TIAA CREF Investment Management
New York
$30.6M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$103M
4
Balyasny Asset Management
4
Balyasny Asset Management
Illinois
$12M
5
TA
5
Teachers Advisors
New York
$13.4M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$10.6M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$0
3
TC
3
TFS Capital
Pennsylvania
$309K
4
Renaissance Technologies
4
Renaissance Technologies
New York
$0
5
CS
5
Credit Suisse
Switzerland
$4.1M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$192M 16,139,452 +256,832 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$103M 8,707,054 +2,090,625 +32%
BFA
3
BlackRock Fund Advisors
California
$59.2M 4,981,073 +235,406 +5%
State Street
4
State Street
Massachusetts
$41.2M 3,465,430 +257,024 +8%
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$34.5M 2,903,559 +2,903,559 New
TCIM
6
TIAA CREF Investment Management
New York
$30.6M 2,577,414 +2,140,644 +490%
BIT
7
BlackRock Institutional Trust
California
$28.7M 2,419,959 +580,612 +32%
LIM
8
Lagoda Investment Management
New York
$23M 1,931,872 +371,342 +24%
Deutsche Bank
9
Deutsche Bank
Germany
$21.2M 1,788,554 -150,030 -8%
TA
10
Teachers Advisors
New York
$13.4M 1,124,536 +985,445 +708%
Northern Trust
11
Northern Trust
Illinois
$13.3M 1,118,748 +33,264 +3%
Connor, Clark & Lunn Investment Management (CC&L)
12
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$12.5M 1,052,700 +313,100 +42%
Balyasny Asset Management
13
Balyasny Asset Management
Illinois
$12M 1,010,126 +1,010,126 New
CNB
14
City National Bank
California
$11.7M 987,946 +217,481 +28%
Millennium Management
15
Millennium Management
New York
$10.6M 892,508 -905,340 -50%
VOYA Investment Management
16
VOYA Investment Management
Georgia
$10.6M 891,658 +829,000 +1,323%
UBS AM
17
UBS AM
Illinois
$10.3M 870,244 +13,047 +2%
Morgan Stanley
18
Morgan Stanley
New York
$9.38M 789,094 -22,284 -3%
PI
19
Putnam Investments
Massachusetts
$9.14M 769,545 -8,080 -1%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$9.06M 762,206 -2,043 -0.3%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$7.91M 665,495 +50,141 +8%
TCM
22
Tekla Capital Management
Massachusetts
$6.75M 567,787 – –
PCM
23
Portolan Capital Management
Massachusetts
$6.41M 539,626 -67,662 -11%
Fuller & Thaler Asset Management
24
Fuller & Thaler Asset Management
California
$5.49M 462,100 -1,500 -0.3%
Axa
25
Axa
France
$5.26M 442,795 +277,116 +167%
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