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MACK

Merrimack Pharmaceuticals, Inc.

Delisted

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

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

154% more call options, than puts

Call options by funds: $6.62M | Put options by funds: $2.61M

94% more repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 34

14% more capital invested

Capital invested by funds: $819M → $931M (+$112M)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

0% more first-time investments, than exits

New positions opened: 19 | Existing positions closed: 19

1% less funds holding

Funds holding: 152150 (-2)

Holders
150
Holders Change
-2
Holders Change %
-1.32%
% of All Funds
4.04%
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
Name Holding Trade Value Shares
Change
Change in
Stake
VKH
101
Virtu KCG Holdings
New York
$277K +$271K +2,851 New
LPL Financial
102
LPL Financial
California
$268K +$49K +515 +23%
CHAM
103
Clear Harbor Asset Management
Connecticut
$252K
PNC Financial Services Group
104
PNC Financial Services Group
Pennsylvania
$251K +$2.95K +31 +1%
SIM
105
Spark Investment Management
New York
$243K -$2.59M -27,250 -92%
AMG
106
Asset Management Group
Connecticut
$241K
Principal Financial Group
107
Principal Financial Group
Iowa
$241K +$11.4K +120 +5%
HK
108
Horizon Kinetics
New York
$235K
AA
109
Alesco Advisors
New York
$217K
Renaissance Technologies
110
Renaissance Technologies
New York
$212K +$207K +2,175 New
PPSG
111
Princeton Portfolio Strategies Group
New Jersey
$211K -$30.3K -318 -13%
MCM
112
Murphy Capital Management
New Jersey
$199K
CEP
113
Chicago Equity Partners
Illinois
$198K -$144K -1,514 -43%
Legal & General Group
114
Legal & General Group
United Kingdom
$185K
PAM
115
Panagora Asset Management
Massachusetts
$185K +$181K +1,902 New
Group One Trading
116
Group One Trading
Illinois
$168K +$165K +1,729 New
QIM
117
Quantitative Investment Management
Virginia
$166K +$163K +1,716 New
HF
118
HRT Financial
New York
$142K +$140K +1,468 New
AB
119
Amalgamated Bank
New York
$141K +$138K +1,447 New
Barclays
120
Barclays
United Kingdom
$134K -$1.5M -15,741 -92%
Canada Life
121
Canada Life
Manitoba, Canada
$129K +$10.4K +109 +9%
SG Americas Securities
122
SG Americas Securities
New York
$127K -$82.1K -863 -40%
TDC
123
Thompson Davis & Co
Virginia
$124K
BNP Paribas Financial Markets
124
BNP Paribas Financial Markets
France
$113K +$82.5K +867 +293%
TRCT
125
Tower Research Capital (TRC)
New York
$111K +$107K +1,124 +8,646%

MACK Hedge Fund Activity: Q2 2015 in Review

150 of the 3,712 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q2 2015, worth a combined $931M — up 14% from $819M a quarter earlier.

Fund positioning in MACK was balanced in Q2 2015: 19 funds opened new positions, 19 closed out, 66 added to existing stakes and 34 trimmed.

The largest buyer was Westfield Capital Management, adding an estimated $23.9M. The largest seller was Millennium Management, cutting an estimated $7.66M.

  • 150 institutional investors held Merrimack Pharmaceuticals, Inc. (MACK) as of Q2 2015, down from 152 in Q1 2015.
  • Funds reported $931M of Merrimack Pharmaceuticals, Inc. stock for Q2 2015, up 14% quarter-over-quarter.
  • 19 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q2 2015 and 19 closed out, a net change of 0 holders.
  • The largest Merrimack Pharmaceuticals, Inc. buyer in Q2 2015 was Westfield Capital Management, an estimated $23.9M added.
  • The largest Merrimack Pharmaceuticals, Inc. seller in Q2 2015 was Millennium Management, an estimated $7.66M sold.

Based on aggregated 13F filings for Q2 2015.