THOMPSON DAVIS & CO., INC. - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 153 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2015. The put-call ratio across all filers is 0.37 and the average weighting 0.1%.

Quarter-by-quarter ownership
THOMPSON DAVIS & CO., INC. ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2015$124,000
+4.2%
10,0000.0%0.14%0.0%
Q1 2015$119,000
+5.3%
10,0000.0%0.14%
+9.2%
Q4 2014$113,000
+156.8%
10,000
+100.0%
0.13%
+129.8%
Q3 2014$44,0005,0000.06%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q1 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