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MACK

Merrimack Pharmaceuticals, Inc.
MACK

Delisted

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

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78 hedge funds and large institutions have $74M invested in Merrimack Pharmaceuticals, Inc. in 2017 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 21 increasing their positions, 20 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

29% more first-time investments, than exits

New positions opened: 22 | Existing positions closed: 17

7% more funds holding

Funds holding: 73 → 78 (+5)

5% more repeat investments, than reductions

Existing positions increased: 21 | Existing positions reduced: 20

24% less capital invested

Capital invested by funds: $96.8M → $74M (-$22.8M)

28% less call options, than puts

Call options by funds: $187K | Put options by funds: $260K

Holders
78
Holders Change
+5
Holders Change %
+6.85%
% of All Funds
1.77%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
22
Increased
21
Reduced
20
Closed
17
Calls
$187K
Puts
$260K
Net Calls
-$73K
Net Calls Change
-$570K

Top Buyers

Rank Fund Capital Flow
1
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$2.08M
2
Millennium Management
Millennium Management
New York
+$1.67M
3
Federated Hermes
Federated Hermes
Pennsylvania
+$1.39M
4
Russell Investments Group
Russell Investments Group
United Kingdom
+$1.1M
5
RCMNY
Rubric Capital Management (New York)
New York
+$858K

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$2.62M
2
Goldman Sachs
Goldman Sachs
New York
-$834K
3
CS
Credit Suisse
Switzerland
-$635K
4
QIM
Quantitative Investment Management
Virginia
-$623K
5
NM
Newtyn Management
New York
-$328K
Name Holding Trade Value Shares
Change 		Change in
Stake
Morgan Stanley
26
Morgan Stanley
New York
$352K +$86.4K +9,263 +27%
HighTower Advisors
27
HighTower Advisors
Illinois
$310K – – –
TA
28
Teachers Advisors
New York
$257K -$178K -19,045 -37%
Macquarie Group
29
Macquarie Group
Australia
$247K +$174K +18,683 +156%
PP
30
Paloma Partners
Connecticut
$227K +$263K +28,160 New
TI
31
Trexquant Investment
Connecticut
$219K +$253K +27,132 New
AllianceBernstein
32
AllianceBernstein
Tennessee
$212K +$30.7K +3,291 +14%
Jacobs Levy Equity Management
33
Jacobs Levy Equity Management
New Jersey
$209K +$80.6K +8,642 +50%
California State Teachers Retirement System (CalSTRS)
34
California State Teachers Retirement System (CalSTRS)
California
$206K – – –
Brown Advisory
35
Brown Advisory
Maryland
$205K – – –
SCM
36
Stonebridge Capital Management
California
$200K +$220K +23,577 New
Wells Fargo
37
Wells Fargo
California
$187K +$149K +15,991 +221%
LPIC
38
LeJeune Puetz Investment Counsel
Michigan
$181K -$904 -97 -2%
Susquehanna International Group
39
Susquehanna International Group
Pennsylvania
$166K +$192K +20,641 New
New York State Common Retirement Fund
40
New York State Common Retirement Fund
New York
$157K – – –
KCM
41
Kempner Capital Management
Texas
$153K – – –
VCM
42
Virtue Capital Management
Tennessee
$151K +$41.5K +4,451 New
Balyasny Asset Management
43
Balyasny Asset Management
Illinois
$148K +$171K +18,379 New
CT
44
Cambridge Trust
Massachusetts
$147K – – –
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$125K -$29.4K -3,155 -17%
Citadel Advisors
46
Citadel Advisors
Florida
$120K -$9.57K -1,026 -6%
VF
47
Virtu Financial
New York
$115K +$133K +14,315 New
State of Wisconsin Investment Board
48
State of Wisconsin Investment Board
Wisconsin
$111K – – –
SIM
49
Spark Investment Management
New York
$109K +$127K +13,600 New
Jane Street
50
Jane Street
New York
$107K +$124K +13,279 New
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MACK Hedge Fund Activity: Q4 2017 in Review

78 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q4 2017, worth a combined $74M — down 24% from $96.8M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new MACK positions and 17 closed out — a net gain of 5 holders — while 21 added to existing stakes and 20 trimmed.

The largest buyer was Dimensional Fund Advisors, adding an estimated $2.08M. The largest seller was BlackRock, cutting an estimated $2.62M.

  • 78 institutional investors held Merrimack Pharmaceuticals, Inc. (MACK) as of Q4 2017, up from 73 in Q3 2017.
  • Funds reported $74M of Merrimack Pharmaceuticals, Inc. stock for Q4 2017, down 24% quarter-over-quarter.
  • 22 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q4 2017 and 17 closed out, a net change of +5 holders.
  • The largest Merrimack Pharmaceuticals, Inc. buyer in Q4 2017 was Dimensional Fund Advisors, an estimated $2.08M added.
  • The largest Merrimack Pharmaceuticals, Inc. seller in Q4 2017 was BlackRock, an estimated $2.62M sold.

Based on aggregated 13F filings for Q4 2017.