FIRST NEW YORK SECURITIES LLC /NY - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 144 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2014. The put-call ratio across all filers is 2.36 and the average weighting 0.1%.

Quarter-by-quarter ownership
FIRST NEW YORK SECURITIES LLC /NY ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q3 2016$23,812,000
+8.5%
3,750
+50.0%
0.02%
+6.7%
Q3 2014$21,950,0002,5000.02%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q4 2014
NameSharesValueWeighting ↓
Lagoda Investment Management, L.P. 775,571$2,389,0000.93%
KEMPNER CAPITAL MANAGEMENT INC. 148,985$459,0000.31%
Yakira Capital Management, Inc. 248,420$765,0000.27%
GARRISON BRADFORD & ASSOCIATES INC 87,700$270,0000.24%
Cannell & Co. 1,212,478$3,734,0000.13%
LeJeune Puetz Investment Counsel LLC 3,976$180,0000.13%
ALPINE WOODS CAPITAL INVESTORS, LLC 726,000$2,236,0000.12%
Virtus ETF Advisers LLC 198,735$612,0000.11%
STONERIDGE INVESTMENT PARTNERS LLC 199,227$614,0000.08%
Birchview Capital, LP 44,000$136,0000.08%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders