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MACK

Merrimack Pharmaceuticals, Inc.

Delisted

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

54 hedge funds and large institutions have $37.9M invested in Merrimack Pharmaceuticals, Inc. in 2019 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 11 increasing their positions, 17 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

124% more call options, than puts

Call options by funds: $110K | Put options by funds: $49K

59% more capital invested

Capital invested by funds: $23.8M → $37.9M (+$14.1M)

4% less funds holding

Funds holding: 5654 (-2)

20% less first-time investments, than exits

New positions opened: 8 | Existing positions closed: 10

35% less repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 17

Holders
54
Holders Change
-2
Holders Change %
-3.57%
% of All Funds
1.17%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.02%
New
8
Increased
11
Reduced
17
Closed
10
Calls
$110K
Puts
$49K
Net Calls
+$61K
Net Calls Change
+$84K
Name Holding Trade Value Shares
Change
Change in
Stake
SC
51
Sepio Capital
Utah
-$1.59M -523,240 Closed
CC
52
Clearline Capital
New York
-$1.22M -402,176 Closed
JGC
53
J. Goldman & Co
New York
-$587K -193,313 Closed
Citadel Advisors
54
Citadel Advisors
Florida
-$65K -21,571 Closed
HighTower Advisors
55
HighTower Advisors
Illinois
-$58K -19,129 Closed
Russell Investments Group
56
Russell Investments Group
United Kingdom
-$18K -5,974 Closed
Macquarie Group
57
Macquarie Group
Australia
-$6K -2,034 Closed
Wells Fargo
58
Wells Fargo
California
+$294 +64 New
Simplex Trading
59
Simplex Trading
Illinois
+$542 +118 New

MACK Hedge Fund Activity: Q1 2019 in Review

54 of the 4,620 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q1 2019, worth a combined $37.9M — up 59% from $23.8M a quarter earlier.

Sellers outnumbered buyers: 10 funds closed out of MACK and 8 opened new positions — a net loss of 2 holders — while 17 trimmed existing stakes and 11 added.

The largest buyer was 22NW LP, adding an estimated $2M. The largest seller was BVF Inc, exiting entirely with an estimated $2.79M sold.

  • 54 institutional investors held Merrimack Pharmaceuticals, Inc. (MACK) as of Q1 2019, down from 56 in Q4 2018.
  • Funds reported $37.9M of Merrimack Pharmaceuticals, Inc. stock for Q1 2019, up 59% quarter-over-quarter.
  • 8 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q1 2019 and 10 closed out, a net change of -2 holders.
  • The largest Merrimack Pharmaceuticals, Inc. buyer in Q1 2019 was 22NW LP, an estimated $2M added.
  • The largest Merrimack Pharmaceuticals, Inc. seller in Q1 2019 was BVF Inc, an estimated $2.79M sold.

Based on aggregated 13F filings for Q1 2019.