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MACK

Merrimack Pharmaceuticals, Inc.

Delisted

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

12 hedge funds and large institutions have $5.32M invested in Merrimack Pharmaceuticals, Inc. in 2024 Q2 according to their latest regulatory filings, with 4 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 2

83% less funds holding

Funds holding: 7012 (-58)

94% less first-time investments, than exits

New positions opened: 4 | Existing positions closed: 62

96% less capital invested

Capital invested by funds: $137M → $5.32M (-$132M)

100% less funds holding in top 10

Funds holding in top 10: 30 (-3)

Holders
12
Holders Change
-58
Holders Change %
-82.86%
% of All Funds
0.17%
Holding in Top 10
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-100%
% of All Funds
New
4
Increased
2
Reduced
2
Closed
62
Calls
$3K
Puts
Net Calls
+$3K
Net Calls Change
-$1.81M
Name Holding Trade Value Shares
Change
Change in
Stake
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$4.83M -$1.17M -79,006 -20%
Goldman Sachs
2
Goldman Sachs
New York
$451K +$228K +15,336 +106%
RhumbLine Advisers
3
RhumbLine Advisers
Massachusetts
$37.5K -$164K -11,039 -82%
RA
4
Rise Advisors
New York
$4.11K
JC
5
JBF Capital
Colorado
$1.19K +$588K +39,637 New
Marshall Wace
6
Marshall Wace
United Kingdom
$1.15K +$567K +38,221 New
WSL
7
Western Standard LLC
California
-$32.1M -2,172,513 Closed
NM
8
Newtyn Management
New York
-$27.7M -1,873,694 Closed
ACM
9
ADAR1 Capital Management
Texas
-$13.3M -902,350 Closed
BlackRock
10
BlackRock
New York
-$10.7M -723,294 Closed
Vanguard Group
11
Vanguard Group
Pennsylvania
-$9.17M -620,847 Closed
MAP
12
Madison Avenue Partners
New York
-$5.72M -387,221 Closed
SC
13
Sepio Capital
Utah
-$4.41M -298,545 Closed
Invesco
14
Invesco
Georgia
-$4.09M -277,124 Closed
Geode Capital Management
15
Geode Capital Management
Massachusetts
-$4.02M -272,015 Closed
State Street
16
State Street
Massachusetts
-$3.65M -246,853 Closed
WIM
17
Wittenberg Investment Management
Massachusetts
-$3.11M -210,239 Closed
Renaissance Technologies
18
Renaissance Technologies
New York
-$2.4M -162,184 Closed
YCM
19
Yakira Capital Management
Connecticut
-$1.78M -120,756 Closed
Northern Trust
20
Northern Trust
Illinois
-$1.74M -117,548 Closed
Bank of New York Mellon
21
Bank of New York Mellon
New York
-$1.4M -94,895 Closed
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
-$1.14M -77,397 Closed
Morgan Stanley
23
Morgan Stanley
New York
-$583K -39,442 Closed
BCM
24
Bridgeway Capital Management
Texas
-$505K -34,200 Closed
Charles Schwab
25
Charles Schwab
California
-$438K -29,628 Closed

MACK Hedge Fund Activity: Q2 2024 in Review

12 of the 6,925 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q2 2024, worth a combined $5.32M — down 96% from $137M a quarter earlier.

Sellers outnumbered buyers: 62 funds closed out of MACK and 4 opened new positions — a net loss of 58 holders — while 2 trimmed existing stakes and 2 added.

The largest buyer was JBF Capital, opening a new position worth an estimated $588K. The largest seller was Western Standard LLC, exiting entirely with an estimated $32.1M sold.

  • 12 institutional investors held Merrimack Pharmaceuticals, Inc. (MACK) as of Q2 2024, down from 70 in Q1 2024.
  • Funds reported $5.32M of Merrimack Pharmaceuticals, Inc. stock for Q2 2024, down 96% quarter-over-quarter.
  • 4 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q2 2024 and 62 closed out, a net change of -58 holders.
  • The largest Merrimack Pharmaceuticals, Inc. buyer in Q2 2024 was JBF Capital, an estimated $588K added.
  • The largest Merrimack Pharmaceuticals, Inc. seller in Q2 2024 was Western Standard LLC, an estimated $32.1M sold.

Based on aggregated 13F filings for Q2 2024.