A.R.T. Advisors, LLC - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 137 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2015. The put-call ratio across all filers is 0.42 and the average weighting 0.1%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q4 2015$448,000
-82.1%
56,800
-71.9%
0.02%
-74.7%
Q2 2015$2,496,000
+207.4%
201,905
+195.4%
0.08%
+196.4%
Q1 2015$812,000
+58.3%
68,355
-2.9%
0.03%
+3.7%
Q2 2014$513,000
+188.2%
70,406
+165.4%
0.03%
+350.0%
Q2 2013$178,00026,5280.01%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q3 2015
NameSharesValueWeighting ↓
DAFNA Capital Management LLC 514,853$2,595,0002.23%
GARRISON BRADFORD & ASSOCIATES INC 98,001$494,0000.48%
Catalyst Capital Advisors LLC 380,896$1,920,0000.44%
Knoll Capital Management, LLC 160,585$809,0000.42%
Tekla Capital Management LLC 757,050$3,816,0000.38%
FULLER & THALER ASSET MANAGEMENT, INC. 524,800$2,645,0000.13%
Integre Asset Management, LLC 103,493$522,0000.12%
CAMBRIDGE TRUST CO 220,003$1,109,0000.10%
JAMISON EATON & WOOD INC /NJ 62,782$316,0000.09%
STONERIDGE INVESTMENT PARTNERS LLC 88,304$445,0000.09%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders