We are live on ! Find out more
MACK

Merrimack Pharmaceuticals, Inc.

Delisted

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

116 hedge funds and large institutions have $246M invested in Merrimack Pharmaceuticals, Inc. in 2017 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 31 increasing their positions, 41 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

15% less funds holding

Funds holding: 136116 (-20)

24% less repeat investments, than reductions

Existing positions increased: 31 | Existing positions reduced: 41

41% less capital invested

Capital invested by funds: $415M → $246M (-$169M)

50% less first-time investments, than exits

New positions opened: 13 | Existing positions closed: 26

59% less call options, than puts

Call options by funds: $1.01M | Put options by funds: $2.47M

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
116
Holders Change
-20
Holders Change %
-14.71%
% of All Funds
2.89%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
13
Increased
31
Reduced
41
Closed
26
Calls
$1.01M
Puts
$2.47M
Net Calls
-$1.45M
Net Calls Change
+$265K
Name Holding Trade Value Shares
Change
Change in
Stake
PA
126
Perceptive Advisors
New York
-$200K -6,216 Closed
Squarepoint
127
Squarepoint
New York
-$133K -4,141 Closed
PNC Financial Services Group
128
PNC Financial Services Group
Pennsylvania
-$130K -4,057 Closed
SW
129
SVB Wealth
Massachusetts
-$125K -3,883 Closed
HSBC Holdings
130
HSBC Holdings
United Kingdom
-$113K -3,504 Closed
FM
131
Family Management
New York
-$88K -2,733 Closed
Wolverine Trading
132
Wolverine Trading
Illinois
-$68.1K -2,723 Closed
FRM
133
Fox Run Management
Connecticut
-$87K -2,707 Closed
ID
134
Integral Derivatives
New York
-$77K -2,390 Closed
TSS
135
Two Sigma Securities
New York
-$62K -1,916 Closed
EWA
136
Exencial Wealth Advisors
Oklahoma
-$61K -1,907 Closed
AG
137
Aperio Group
California
-$45K -1,402 Closed
TRCT
138
Tower Research Capital (TRC)
New York
-$44K -1,358 Closed
Nisa Investment Advisors
139
Nisa Investment Advisors
Missouri
-$16K -483 Closed
PHK
140
Point72 Hong Kong
Hong Kong
-$6K -187 Closed

MACK Hedge Fund Activity: Q1 2017 in Review

116 of the 4,017 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q1 2017, worth a combined $246M — down 41% from $415M a quarter earlier.

Sellers outnumbered buyers: 26 funds closed out of MACK and 13 opened new positions — a net loss of 13 holders — while 41 trimmed existing stakes and 31 added.

The largest buyer was BlackRock, adding an estimated $36.7M. The largest seller was Westfield Capital Management, exiting entirely with an estimated $37M sold.

  • 116 institutional investors held Merrimack Pharmaceuticals, Inc. (MACK) as of Q1 2017, down from 136 in Q4 2016.
  • Funds reported $246M of Merrimack Pharmaceuticals, Inc. stock for Q1 2017, down 41% quarter-over-quarter.
  • 13 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q1 2017 and 26 closed out, a net change of -13 holders.
  • The largest Merrimack Pharmaceuticals, Inc. buyer in Q1 2017 was BlackRock, an estimated $36.7M added.
  • The largest Merrimack Pharmaceuticals, Inc. seller in Q1 2017 was Westfield Capital Management, an estimated $37M sold.

Based on aggregated 13F filings for Q1 2017.