Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

0.48
Delayed Data
As of Jul 02
 -0.01 / -2.04%
Today’s Change
0.40
Today|||52-Week Range
0.69
-14.29%
Year-to-Date
Institutional investors control 22.64% of the outstanding shares in MSTX. This represents a greater percentage of ownership than at almost any other company in the Biotechnology industry.
Other institutional12.28%
Mutual fund holders10.36%
Individual stakeholders0.29%

Largest Quarterly Institutional
Transactions

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Latest Institutional Activity

3/31/2015RENAISSANCE TECHNOLOGIES LLC  Bought 359.6 Thousand shares of Mast Therapeutics Inc
3/31/2015THE VANGUARD GROUP, INC.  Bought 312.6 Thousand shares of Mast Therapeutics Inc
3/31/2015NOMURA SECURITIES CO., LTD. (PRI...  Bought 129.0 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%11,946,1006,450,89400.00%
BVF Partners LP4.44%7,241,6003,910,464-50,000-0.69%
Baker Bros. Advisors LP2.89%4,707,4642,542,031-66,970-1.40%
The Vanguard Group, Inc.2.27%3,695,0621,995,333+312,579+9.24%
Alyeska Investment Group LP1.47%2,398,8921,295,402-2,279,963-48.73%
Sphera Funds Management Ltd.0.84%1,374,900742,44600.00%
Pine River Capital Management LP0.42%687,500371,25000.00%
Perkins Capital Management, Inc.0.39%643,000347,220-507,000-44.09%
Deutsche Bank Securities, Inc.0.38%625,600337,82400.00%
Renaissance Technologies LLC0.37%602,094325,131+359,619+148.31%

Top 10 Mutual Funds Holding Mast Therapeutics Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
FTIF SICAV - Franklin Biotechnolo...4.05%6,592,6003,560,00400.00%
Franklin Biotechnology Discovery ...3.28%5,353,5002,890,89000.00%
Vanguard Total Stock Market Index...1.44%2,339,0861,263,106+2,700+0.12%
Vanguard Extended Market Index Fu...0.84%1,369,365739,457+152,171+12.50%
Fidelity Spartan Extended Market ...0.33%531,478286,99800.00%
OCP International0.09%150,00081,00000.00%
Vanguard Balanced Index Fund0.08%125,55267,79800.00%
Vanguard Institutional Total Stoc...0.05%81,95344,25500.00%
DFA US Small Cap Portfolio0.05%76,90041,52600.00%
DFA US Micro Cap Portfolio0.04%72,43839,11700.00%

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