MACK

Merrimack Pharmaceuticals, Inc.

Delisted

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

50 hedge funds and large institutions have $91M invested in Merrimack Pharmaceuticals, Inc. in 2023 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 14 increasing their positions, 9 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
50
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$6.79M
Puts
$3.96M
Net Calls
Net Calls Change

Top Buyers

1 +$6.8M
2 +$2.59M
3 +$1.76M
4
NM
Newtyn Management
New York
+$1.29M
5
Marshall Wace
Marshall Wace
United Kingdom
+$1.21M

Top Sellers

1 -$11.6M
2 -$1.59M
3 -$1.43M
4
O
OrbiMed
New York
-$843K
5
PVI
Pura Vida Investments
New York
-$735K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$23M
2
$20.6M
3
$6.8M
4
$5.73M
5
$5.64M
6
$3.62M
7
$3.35M
8
$2.73M
9
$2.59M
10
$2.43M
11
$2.35M
12
$1.71M
13
$1.6M
14
$1.44M
15
$1.21M
16
$920K
17
$886K
18
$666K
19
$621K
20
$494K
21
$459K
22
$429K
23
$420K
24
$343K
25
$185K