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MACK

Merrimack Pharmaceuticals, Inc.
MACK

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.

New
Increased
Maintained
Reduced
Closed

37% more call options, than puts

Call options by funds: $413K | Put options by funds: $302K

Holders
89
Holders Change
+89
Holders Change %
–
% of All Funds
2.9%
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

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Barclays
76
Barclays
United Kingdom
$41K +$34K +776 New
Teacher Retirement System of Texas
77
Teacher Retirement System of Texas
Texas
$39K +$32.2K +734 New
Ameriprise
78
Ameriprise
Minnesota
$39K +$32.3K +736 New
BG
79
BlackRock Group
United Kingdom
$34K +$28.1K +640 New
ILIM
80
Irish Life Investment Managers
Ireland
$25.6K +$21.2K +483 New
BlackRock
81
BlackRock
New York
$23K +$18.8K +430 New
TRCT
82
Tower Research Capital (TRC)
New York
$21K +$17.7K +403 New
LTFS
83
Ladenburg Thalmann Financial Services
Florida
$17K +$13.9K +318 New
Royal Bank of Canada
84
Royal Bank of Canada
Ontario, Canada
$13K +$11.4K +261 New
Bank of Montreal
85
Bank of Montreal
Ontario, Canada
$7K +$5.57K +127 New
MFS
86
MSI Financial Services
Massachusetts
$7K +$5.57K +127 New
California Public Employees Retirement System
87
California Public Employees Retirement System
California
$4K +$3.33K +76 New
PTC
88
Private Trust Company
Ohio
$2K +$1.49K +34 New
RFC
89
Russell Frank Company
Washington
$1K +$570 +13 New
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MACK Hedge Fund Activity: Q2 2013 in Review

89 of the 3,065 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q2 2013, worth a combined $310M.

Buyers outnumbered sellers: 89 funds opened new MACK positions and 0 closed out — a net gain of 89 holders — while 0 added to existing stakes and 0 trimmed.

  • 89 institutional investors held Merrimack Pharmaceuticals, Inc. (MACK) as of Q2 2013, up from 0 in Q1 2013.
  • Funds reported $310M of Merrimack Pharmaceuticals, Inc. stock for Q2 2013.
  • 89 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q2 2013 and 0 closed out, a net change of +89 holders.

Based on aggregated 13F filings for Q2 2013.