BlackRock Institutional Trust Company, N.A. - MAST THERAPEUTICS INC ownership

MAST THERAPEUTICS INC's ticker is MSTX and the CUSIP is 576314108. A total of 37 filers reported holding MAST THERAPEUTICS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
BlackRock Institutional Trust Company, N.A. ownership history of MAST THERAPEUTICS INC
ValueSharesWeighting
Q4 2016$149,000
-21.2%
1,719,9320.0%0.00%
Q3 2016$189,000
+68.8%
1,719,932
+618.9%
0.00%
Q2 2016$112,000
+72.3%
239,2340.0%0.00%
Q1 2016$65,000
-35.6%
239,2340.0%0.00%
Q4 2015$101,000
-27.3%
239,2340.0%0.00%
Q3 2015$139,000
+7.8%
239,234
-8.8%
0.00%
Q2 2015$129,000
+222.5%
262,264
+219.0%
0.00%
Q1 2015$40,000
+233.3%
82,226
+270.1%
0.00%
Q4 2014$12,000
-64.7%
22,218
-69.8%
0.00%
Q4 2013$34,000
+6.2%
73,4940.0%0.00%
Q3 2013$32,0000.0%73,4940.0%0.00%
Q2 2013$32,00073,4940.00%
Other shareholders
MAST THERAPEUTICS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GREAT POINT PARTNERS LLC 5,442,400$2,390,0001.66%
Ancora Advisors LLC 1,848,045$811,0000.14%
SABBY MANAGEMENT, LLC 3,639,571$1,598,0000.10%
Alyeska Investment Group, L.P. 1,900,000$1,668,0000.07%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 2,634,221$1,156,0000.05%
SHEPHERD KAPLAN KROCHUK, LLC 602,776$265,0000.04%
PERKINS CAPITAL MANAGEMENT INC 110,000$48,0000.03%
MILLENNIUM MANAGEMENT LLC 2,900,000$1,273,0000.00%
FRANKLIN RESOURCES INC 12,046,100$5,288,0000.00%
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 200,000$88,000,0000.00%
View complete list of MAST THERAPEUTICS INC shareholders