Mast Therapeutics, Inc. (MSTX)

[vegasvic]

Major Holders Get Major Holders for:

Top Institutional Holders

Great Point Parnters LLC 5,442,400 5.30 2,394,656 Sep 30, 2013
Sabby Management, LLC 3,639,571 3.54 1,601,411 Sep 30, 2013
Millennium Management LLC 2,900,000 2.82 1,276,000 Sep 30, 2013
Deerfield Management 2,634,221 2.56 1,159,057 Sep 30, 2013
Franklin Resources, Inc 12,046,100 11.73 5,300,284 Sep 30, 2013
Ancora Advisors, LLC 1,848,045 1.80 813,139 Sep 30, 2013
Vanguard Group, Inc. (The) 1,776,160 1.73 781,510 Sep 30, 2013
FMR, LLC 1,047,304 1.02 460,813 Sep 30, 2013
Deutsche Bank Aktiengesellschaft 847,300 0.82 372,812 Sep 30, 2013
Morgan Stanley 841,294 0.82 370,169 Sep 30, 2013

Top Mutual Fund Holders

Franklin Strategic Series-Franklin Biotechnology Discove 5,453,500 5.31 2,399,540 Sep 30, 2013
Vanguard Total Stock Market Index Fund 971,733 0.95 427,562 Sep 30, 2013
Vanguard Extended Market Index Fund 716,278 0.70 315,162 Sep 30, 2013
Spartan Extended Market Index Fund 162,935 0.16 81,467 Oct 31, 2013
Vanguard Institutional Index-Inst Total Stock Market Ind 81,953 0.08 36,059 Sep 30, 2013
DFA U.S. Micro Cap Series 72,438 0.07 33,321 Jul 31, 2013
DFA U.S. Small Cap Series 76,900 0.07 35,374 Jul 31, 2013
Claymore ETF Tr-Wilshire Micro Cap ETF 37,890 0.04 18,945 Oct 31, 2013
DFA Tax Managed U.S. Targeted Value Port 32,596 0.03 14,994 Jul 31, 2013
Spartan Total Market Index Fund 29,390 0.03 14,695 Oct 31, 2013