Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

0.505
Delayed Data
As of May 21
 +0.005 / +1.00%
Today’s Change
0.40
Today|||52-Week Range
0.73
-9.82%
Year-to-Date
Institutional investors control 23.14% of the outstanding shares in MSTX. This represents a greater percentage of ownership than at almost any other company in the Biotechnology industry.
Other institutional12.66%
Mutual fund holders10.49%
Individual stakeholders0.29%

Largest Quarterly Institutional
Transactions

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.7.49%11,946,1006,044,72700.00%
BVF Partners LP4.54%7,241,6003,664,250-50,000-0.69%
Baker Bros. Advisors LP2.95%4,707,4642,381,977-66,970-1.40%
The Vanguard Group, Inc.2.32%3,695,0621,869,701+312,579+9.24%
Alyeska Investment Group LP1.50%2,398,8921,213,839-2,279,963-48.73%
Sphera Funds Management Ltd.0.86%1,374,900695,69900.00%
Pine River Capital Management LP0.43%687,500347,87500.00%
Perkins Capital Management, Inc.0.40%643,000325,358-507,000-44.09%
Deutsche Bank Securities, Inc.0.39%625,600316,55400.00%
Renaissance Technologies LLC0.38%602,094304,660+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...4.13%6,592,6003,335,85600.00%
Franklin Biotechnology Discovery ...3.36%5,353,5002,708,87100.00%
Vanguard Total Stock Market Index...1.47%2,336,3861,182,211+46,303+2.02%
Vanguard Extended Market Index Fu...0.76%1,217,194615,900+24,500+2.05%
Fidelity Spartan Extended Market ...0.33%531,478268,92800.00%
OCP International0.09%150,00075,900+150,000--
Vanguard Balanced Index Fund0.08%125,55263,52900.00%
Vanguard Institutional Total Stoc...0.05%81,95341,46800.00%
DFA US Small Cap Portfolio0.05%76,90038,91100.00%
DFA US Micro Cap Portfolio0.05%72,43836,65400.00%

To view my watchlist

Not a member yet?

Sign up now for a free account