Madison Avenue Partners, LP - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 63 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q2 2023. The put-call ratio across all filers is 0.21 and the average weighting 0.4%.

Quarter-by-quarter ownership
Madison Avenue Partners, LP ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q3 2023$6,819,538
+0.2%
553,0850.0%0.97%
-34.8%
Q2 2023$6,802,946
+0.1%
553,0850.0%1.48%
+1.5%
Q1 2023$6,797,415553,0851.46%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q2 2023
NameSharesValueWeighting ↓
Newtyn Management, LLC 362,335$3,714,0000.57%
Rubric Capital Management LP 410,244$4,205,0000.52%
WITTENBERG INVESTMENT MANAGEMENT, INC. 83,811$859,0000.37%
Yakira Capital Management, Inc. 83,969$861,0000.28%
KEMPNER CAPITAL MANAGEMENT INC. 14,898$153,0000.10%
STONEBRIDGE CAPITAL MANAGEMENT INC 18,550$200,0000.07%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 66,498$681,0000.05%
Cannell & Co. 75,467$774,0000.03%
Trexquant Investment LP 21,347$219,0000.02%
PDT Partners, LLC 58,004$595,0000.02%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders