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Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

0.469
Delayed Data
As of 4:01pm ET
 -0.001 / -0.21%
Today’s Change
0.38
Today|||52-Week Range
0.69
-16.25%
Year-to-Date
Institutional investors control 19.87% of the outstanding shares in MSTX. This represents a greater percentage of ownership than at almost any other company in the Biotechnology industry.
Other institutional9.14%
Mutual fund holders10.73%
Individual stakeholders0.29%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

6/30/2015PINE RIVER CAPITAL MANAGEMENT LP  Bought 562.5 Thousand shares of Mast Therapeutics Inc
6/30/2015THE VANGUARD GROUP, INC.  Bought 367.5 Thousand shares of Mast Therapeutics Inc
6/30/2015BLACKROCK FUND ADVISORS  Bought 180.0 Thousand shares of Mast Therapeutics Inc

Top 10 Owners of Mast Therapeutics Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Franklin Advisers, Inc.7.33%11,946,1005,339,90700.00%
BVF Partners LP3.14%5,111,2932,284,748-2,130,307-29.42%
Baker Bros. Advisors LP2.89%4,707,4642,104,23600.00%
The Vanguard Group, Inc.2.49%4,062,6091,815,986+367,547+9.95%
Pine River Capital Management LP0.77%1,250,000558,750+562,500+81.82%
Geode Capital Management LLC0.42%678,116303,118+117,248+20.90%
Deutsche Bank Securities, Inc.0.39%627,100280,314+1,500+0.24%
Perkins Capital Management, Inc.0.38%623,250278,593-19,750-3.07%
GRT Capital Partners LLC0.36%581,886260,10300.00%
Creative Planning, Inc.0.27%443,700198,334+42,000+10.46%

Top 10 Mutual Funds Holding Mast Therapeutics Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
FTIF SICAV - Franklin Biotechnolo...4.05%6,592,6002,946,89200.00%
Franklin Biotechnology Discovery ...3.28%5,353,5002,393,01500.00%
Vanguard Total Stock Market Index...1.44%2,339,0861,045,57100.00%
Vanguard Extended Market Index Fu...0.88%1,435,372641,611+13,234+0.93%
Fidelity Spartan Extended Market ...0.33%531,478237,57100.00%
Goodwood SMID Cap Discovery Fund0.25%400,000178,800+400,000--
OCP International0.09%150,00067,05000.00%
Fidelity Spartan Total Market Ind...0.09%146,63865,54700.00%
Vanguard Balanced Index Fund0.08%125,55256,12200.00%
Vanguard Institutional Total Stoc...0.05%81,95336,63300.00%