Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

0.472
Delayed Data
As of Apr 17
 -0.009 / -1.87%
Today’s Change
0.40
Today|||52-Week Range
0.73
-15.71%
Year-to-Date
Institutional investors control 28.10% of the outstanding shares in MSTX. This represents a greater percentage of ownership than at almost any other company in the Biotechnology industry. Additionally, during the quarter ended December 2014, these large investors purchased a net $22.6 million shares.
Other institutional17.74%
Mutual fund holders10.36%
Individual stakeholders0.29%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

3/31/2015CREATIVE PLANNING, INC.  Bought 23.0 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%11,946,1005,793,85900.00%
BVF Partners LP4.57%7,291,6003,536,426+7,291,600--
Baker Bros. Advisors LP2.99%4,774,4342,315,600+1,774,434+59.15%
Alyeska Investment Group LP2.93%4,678,8552,269,245+4,678,855--
Sabby Capital LLC2.22%3,539,7791,716,793+3,539,779--
The Vanguard Group, Inc.2.12%3,382,4831,640,504+571,692+20.34%
Sphera Funds Management Ltd.0.86%1,374,900666,827+1,374,900--
Perkins Capital Management, Inc.0.72%1,150,000557,750+1,150,000--
Deutsche Asset & Wealth Managemen...0.72%1,140,200552,997+1,140,200--
Deerfield Management Co. LP0.44%700,000339,500+700,000--

Top 10 Mutual Funds Holding Mast Therapeutics Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
FTIF SICAV - Franklin Biotechnolo...4.13%6,592,6003,197,41100.00%
Franklin Biotechnology Discovery ...3.36%5,353,5002,596,44800.00%
Vanguard Total Stock Market Index...1.43%2,287,2981,109,340+3,600+0.16%
Vanguard Extended Market Index Fu...0.71%1,133,569549,781+41,298+3.78%
Fidelity Spartan Extended Market ...0.33%531,478257,76700.00%
OCP International0.09%150,00072,750+150,000--
Vanguard Balanced Index Fund0.08%125,55260,89300.00%
Vanguard Institutional Total Stoc...0.05%81,95339,74700.00%
DFA US Small Cap Portfolio0.05%76,90037,29700.00%
DFA US Micro Cap Portfolio0.05%72,43835,13200.00%

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