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MACK

Merrimack Pharmaceuticals, Inc.

Delisted

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

95 hedge funds and large institutions have $200M invested in Merrimack Pharmaceuticals, Inc. in 2013 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 43 increasing their positions, 17 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

153% more repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 17

54% more first-time investments, than exits

New positions opened: 20 | Existing positions closed: 13

7% more funds holding

Funds holding: 8995 (+6)

11% less call options, than puts

Call options by funds: $213K | Put options by funds: $239K

35% less capital invested

Capital invested by funds: $310M → $200M (-$110M)

Holders
95
Holders Change
+6
Holders Change %
+6.74%
% of All Funds
3.08%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
20
Increased
43
Reduced
17
Closed
13
Calls
$213K
Puts
$239K
Net Calls
-$26K
Net Calls Change
-$137K
Name Holding Trade Value Shares
Change
Change in
Stake
Jane Street
101
Jane Street
New York
-$259K -4,886 Closed
ARTA
102
A.R.T. Advisors
New York
-$178K -3,372 Closed
BKBG
103
BHF Kleinwort Benson Group
Belgium
-$117K -2,442 Closed
PP
104
Paloma Partners
Connecticut
-$88K -1,665 Closed
TMC
105
Trellus Management Company
Florida
-$48.9K -1,398 Closed
JIC
106
Joel Isaacson & Co
New York
-$49K -928 Closed
LTFS
107
Ladenburg Thalmann Financial Services
Florida
-$17K -318 Closed
PTC
108
Private Trust Company
Ohio
-$2K -34 Closed

MACK Hedge Fund Activity: Q3 2013 in Review

95 of the 3,085 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q3 2013, worth a combined $200M — down 35% from $310M a quarter earlier.

Buyers outnumbered sellers: 20 funds opened new MACK positions and 13 closed out — a net gain of 7 holders — while 43 added to existing stakes and 17 trimmed.

The largest buyer was Jennison Associates, adding an estimated $10.3M. The largest seller was Credit Suisse, cutting an estimated $6.64M.

  • 95 institutional investors held Merrimack Pharmaceuticals, Inc. (MACK) as of Q3 2013, up from 89 in Q2 2013.
  • Funds reported $200M of Merrimack Pharmaceuticals, Inc. stock for Q3 2013, down 35% quarter-over-quarter.
  • 20 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q3 2013 and 13 closed out, a net change of +7 holders.
  • The largest Merrimack Pharmaceuticals, Inc. buyer in Q3 2013 was Jennison Associates, an estimated $10.3M added.
  • The largest Merrimack Pharmaceuticals, Inc. seller in Q3 2013 was Credit Suisse, an estimated $6.64M sold.

Based on aggregated 13F filings for Q3 2013.