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MACK

Merrimack Pharmaceuticals, Inc.

Delisted

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

43 hedge funds and large institutions have $50.5M invested in Merrimack Pharmaceuticals, Inc. in 2021 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 7 increasing their positions, 17 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

1% more capital invested

Capital invested by funds: $50M → $50.5M (+$484K)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

4% less funds holding

Funds holding: 4543 (-2)

29% less first-time investments, than exits

New positions opened: 5 | Existing positions closed: 7

59% less repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 17

88% less call options, than puts

Call options by funds: $38K | Put options by funds: $317K

Holders
43
Holders Change
-2
Holders Change %
-4.44%
% of All Funds
0.75%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
5
Increased
7
Reduced
17
Closed
7
Calls
$38K
Puts
$317K
Net Calls
-$279K
Net Calls Change
+$43K

MACK Hedge Fund Activity: Q2 2021 in Review

43 of the 5,767 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q2 2021, worth a combined $50.5M — up 0.97% from $50M a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of MACK and 5 opened new positions — a net loss of 2 holders — while 17 trimmed existing stakes and 7 added.

The largest buyer was Western Standard LLC, adding an estimated $1.7M. The largest seller was Two Sigma Investments, cutting an estimated $1.02M.

  • 43 institutional investors held Merrimack Pharmaceuticals, Inc. (MACK) as of Q2 2021, down from 45 in Q1 2021.
  • Funds reported $50.5M of Merrimack Pharmaceuticals, Inc. stock for Q2 2021, up 0.97% quarter-over-quarter.
  • 5 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q2 2021 and 7 closed out, a net change of -2 holders.
  • The largest Merrimack Pharmaceuticals, Inc. buyer in Q2 2021 was Western Standard LLC, an estimated $1.7M added.
  • The largest Merrimack Pharmaceuticals, Inc. seller in Q2 2021 was Two Sigma Investments, an estimated $1.02M sold.

Based on aggregated 13F filings for Q2 2021.