Renaissance Technologies - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 142 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2016. The put-call ratio across all filers is 0.85 and the average weighting 0.1%.

Quarter-by-quarter ownership
Renaissance Technologies ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2016$4,015,000
-24.6%
744,813
+17.0%
0.01%
-20.0%
Q1 2016$5,328,000
+2413.2%
636,613
+3620.1%
0.01%
Q2 2015$212,000
-92.7%
17,113
-93.3%
0.00%
-100.0%
Q4 2014$2,886,000
+2.3%
255,413
-20.5%
0.01%
-12.5%
Q3 2014$2,820,000
-32.1%
321,213
-43.6%
0.01%
-20.0%
Q2 2014$4,151,000569,4130.01%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q1 2016
NameSharesValueWeighting ↓
GREAT POINT PARTNERS LLC 5,000,000$20,400,0004.19%
Consonance Capital Management LP 9,067,998$36,997,0004.06%
Lagoda Investment Management, L.P. 1,522,529$6,212,0002.13%
INDUS CAPITAL PARTNERS, LLC 1,050,000$4,284,0000.56%
WESTFIELD CAPITAL MANAGEMENT CO LP 9,072,877$37,017,0000.32%
GARRISON BRADFORD & ASSOCIATES INC 77,700$317,0000.29%
Cannell & Co. 1,572,978$6,418,0000.23%
Virtus ETF Advisers LLC 179,625$733,0000.22%
LeJeune Puetz Investment Counsel LLC 3,976$161,0000.12%
STONERIDGE INVESTMENT PARTNERS LLC 221,838$905,0000.12%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders