Purchases and Sales Made in Q1 2023 in Merrimack Pharmaceuticals Inc (MACK)
This table provides information about the institutional ownership of Merrimack Pharmaceuticals Inc (MACK) during Q1 2023. The information is specifically focused on institutions that hold shares of MERRIMACK PHARMACEUTICALS INC.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
May 15, 2023
Q1 2023
|
Madison Avenue Partners, LP
New York, NY |
BUY
|
- |
553KNew |
$6.28M - $6.81M
|
553K
$8.37M
|
|
|
May 12, 2023
Q1 2023
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
211KNew |
$2.39M - $2.59M
|
211K
$3.18M
|
|
|
May 15, 2023
Q1 2023
|
Western Standard LLC
Los Angeles, CA |
BUY
|
- |
143K+ 9.35% |
$1.62M - $1.76M
|
1.67M
$25.3M
|
|
|
May 15, 2023
Q1 2023
|
Newtyn Management, LLC
New York, NY |
BUY
|
- |
105K+ 5.95% |
$1.2M - $1.3M
|
1.87M
$28.3M
|
|
|
May 15, 2023
Q1 2023
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
98.3KNew |
$1.12M - $1.21M
|
98.3K
$1.49M
|
|
|
May 15, 2023
Q1 2023
|
Boothbay Fund Management, LLC
New York, NY |
BUY
|
- |
53.2K+ 82.89% |
$604K - $656K
|
117K
$1.78M
|
|
|
May 15, 2023
Q1 2023
|
Morgan Stanley
New York, NY |
BUY
|
- |
45K+ 491.07% |
$511K - $554K
|
54.2K
$819K
|
|
|
May 15, 2023
Q1 2023
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
37.3KNew |
$423K - $460K
|
37.3K
$564K
|
|
|
May 15, 2023
Q1 2023
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
23.2K+ 136.7% |
$264K - $286K
|
40.2K
$608K
|
|
|
May 12, 2023
Q1 2023
|
Sio Capital Management, LLC
New York, NY |
BUY
|
- |
22.8K+ 9.14% |
$259K - $281K
|
273K
$4.13M
|
|
|
May 14, 2024
Q1 2023
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
20.8K+ 146.77% |
$236K - $256K
|
34.9K
$528K
|
|
|
May 11, 2023
Q1 2023
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
20.8K+ 146.77% |
$236K - $256K
|
34.9K
$528K
|
|
|
May 15, 2023
Q1 2023
|
Kennedy Capital Management, Inc.
St Louis, MO |
BUY
|
- |
13.8KNew |
$156K - $169K
|
13.8K
$208K
|
|
|
May 12, 2023
Q1 2023
|
Black Rock Inc.
New York, NY |
BUY
|
- |
12.5K+ 5.96% |
$142K - $154K
|
222K
$3.36M
|
|
|
May 15, 2023
Q1 2023
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
8.49KNew |
$96.4K - $105K
|
8.49K
$128K
|
|
|
Feb 09, 2024
Q1 2023
|
Wittenberg Investment Management, Inc.
Carlisle, MA |
BUY
|
- |
6.8K+ 3.56% |
$77.2K - $83.8K
|
198K
$3M
|
|
|
May 15, 2023
Q1 2023
|
Wittenberg Investment Management, Inc.
Carlisle, MA |
BUY
|
- |
6.8K+ 3.56% |
$77.2K - $83.8K
|
198K
$3M
|
|
|
May 04, 2023
Q1 2023
|
Barclays PLC
London, X0 |
BUY
|
- |
5.3K+ 3928.15% |
$60.2K - $65.3K
|
5.44K
$82.3K
|
|
|
May 15, 2023
Q1 2023
|
Lazard Asset Management LLC
New York, NY |
BUY
|
- |
4.95KNew |
$56.2K - $61K
|
4.95K
$74.9K
|
|
|
May 12, 2023
Q1 2023
|
Ubs Group Ag
|
BUY
|
- |
2.35K+ 303.61% |
$26.7K - $29K
|
3.13K
$47.3K
|
|
|
May 15, 2023
Q1 2023
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
2.13K+ 8.23% |
$24.1K - $26.2K
|
27.9K
$423K
|
|
|
Apr 19, 2023
Q1 2023
|
Dorsey Wright & Associates
|
BUY
|
- |
1.8KNew |
$20.4K - $22.2K
|
1.8K
$27.2K
|
|
|
May 15, 2023
Q1 2023
|
State Street Corp
Boston, MA |
BUY
|
- |
1.7K+ 3.48% |
$19.3K - $20.9K
|
50.6K
$765K
|
|
|
May 12, 2023
Q1 2023
|
Dark Forest Capital Management LP
Weston, CT |
BUY
|
- |
1.06KNew |
$12K - $13.1K
|
1.06K
$16K
|
|
|
May 12, 2023
Q1 2023
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
2+ 1.19% |
$22.7 - $24.6
|
170
$2.57K
|
|
|
May 15, 2023
Q1 2023
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
|
May 12, 2023
Q1 2023
|
Bank Of America Corp
Charlotte, NC |
SELL
|
- |
-186- 11.08% |
$2.11K - $2.29K
|
1.49K
$22.6K
|
|
|
May 09, 2023
Q1 2023
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-2.01K- 61.91% |
$22.8K - $24.7K
|
1.24K
$18.7K
|
|
|
May 15, 2023
Q1 2023
|
Geode Capital Management, LLC
Boston, MA |
SELL
|
- |
-4.06K- 3.03% |
$46.1K - $50K
|
130K
$1.97M
|
|
|
May 12, 2023
Q1 2023
|
Dimensional Fund Advisors LP
Austin, TX |
SELL
|
- |
-5.23K- 1.11% |
$59.4K - $64.5K
|
466K
$7.05M
|
|
|
May 12, 2023
Q1 2023
|
Yakira Capital Management, Inc.
Westport, CT |
SELL
|
- |
-13.6K- 15.88% |
$155K - $168K
|
72.1K
$1.09M
|
|
|
May 15, 2023
Q1 2023
|
Nantahala Capital Management, LLC
New Canaan, CT |
SELL
|
- |
-18.7K- 8.92% |
$213K - $231K
|
191K
$2.89M
|
|
|
May 15, 2023
Q1 2023
|
Belvedere Trading LLC
|
SELL
|
- |
-28.1K- 72.07% |
$319K - $346K
|
10.9K
$165K
|
|
|
May 16, 2023
Q1 2023
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
- |
-116K- 45.56% |
$1.32M - $1.43M
|
139K
$2.1M
|
|
|
May 15, 2023
Q1 2023
|
Vanguard Group Inc
Valley Forge, PA |
SELL
|
- |
-130K- 22.02% |
$1.47M - $1.6M
|
459K
$6.94M
|