SG Americas Securities, LLC - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 94 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2013. The put-call ratio across all filers is 0.34 and the average weighting 0.0%.

Quarter-by-quarter ownership
SG Americas Securities, LLC ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2017$95,000
+15.9%
76,217
+187.9%
0.00%0.0%
Q1 2017$82,000
-68.2%
26,473
-58.1%
0.00%
-50.0%
Q4 2016$258,000
+103.1%
63,191
+216.9%
0.00%
+100.0%
Q3 2016$127,0000.0%19,938
+94.6%
0.00%0.0%
Q2 2015$127,000
-37.1%
10,248
-39.9%
0.00%0.0%
Q1 2015$202,000
+25.5%
17,040
+19.7%
0.00%0.0%
Q4 2014$161,000
+140.3%
14,241
+6.9%
0.00%
Q1 2014$67,000
-4.3%
13,326
-27.3%
0.00%
Q3 2013$70,00018,3310.00%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q4 2013
NameSharesValueWeighting ↓
Lagoda Investment Management, L.P. 2,244,080$12,096,0004.51%
ALTFEST L J & CO INC 39,491$1,653,0001.15%
GARRISON BRADFORD & ASSOCIATES INC 82,700$446,0000.44%
WESTFIELD CAPITAL MANAGEMENT CO LP 9,074,557$48,912,0000.40%
Virtus ETF Advisers LLC 87,477$472,0000.35%
Cannell & Co. 1,614,678$8,703,0000.32%
Birchview Capital, LP 44,000$237,0000.17%
STONERIDGE INVESTMENT PARTNERS LLC 180,534$973,0000.14%
HighPoint Advisor Group LLC 8,484$344,0000.12%
MARINER INVESTMENT GROUP LLC 63,090$340,0000.12%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders