Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

Data as of Oct 20
 +0.01 / +1.87%
Today’s Change
Today|||52-Week Range
Institutional investors control 16.90% of the outstanding shares in MSTX. This represents a greater percentage of ownership than at almost any other company in the Biotechnology industry.
Other institutional4.56%
Mutual fund holders12.34%
Individual stakeholders0.34%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2014CREATIVE PLANNING, INC.  Bought 15.0 Thousand shares of Mast Therapeutics Inc

Top 10 Owners of Mast Therapeutics Inc

Total value ($)Shares
bought / sold
Franklin Advisers, Inc.9.48%11,946,1006,653,97800.00%
Baker Bros. Advisors LP2.38%3,000,0001,671,00000.00%
The Vanguard Group, Inc.2.08%2,619,1371,458,859+8,900+0.34%
Deutsche Bank Securities, Inc.0.50%625,600348,45900.00%
Geode Capital Management LLC0.45%560,868312,40300.00%
GRT Capital Partners LLC0.41%512,476285,44900.00%
Iguana Healthcare Management LLC0.40%500,000278,50000.00%
Dimensional Fund Advisors LP0.21%265,156147,692-2,542-0.95%
The Bank of New York Mellon Corp....0.13%167,29593,183+103,690+163.02%
Ancora Advisors LLC0.12%150,00083,55000.00%

Top 10 Mutual Funds Holding Mast Therapeutics Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
FTIF SICAV - Franklin Biotechnolo...5.23%6,592,6003,672,07800.00%
Franklin Biotechnology Discovery ...4.25%5,353,5002,981,90000.00%
Vanguard Total Stock Market Index...1.31%1,644,974916,25100.00%
Vanguard Extended Market Index Fu...0.69%871,968485,686+27,806+3.29%
Fidelity Spartan Extended Market ...0.42%531,478296,03300.00%
Vanguard Balanced Index Fund0.10%125,55269,93200.00%
Vanguard Institutional Total Stoc...0.07%81,95345,64800.00%
DFA US Small Cap Portfolio0.06%76,90042,83300.00%
DFA US Micro Cap Portfolio0.06%72,43840,34800.00%
Wilshire Micro Cap ETF0.04%49,03627,31300.00%

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