Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

0.53
Delayed Data
As of 4:01pm ET
 +0.01 / +1.92%
Today’s Change
0.40
Today|||52-Week Range
0.93
-5.36%
Year-to-Date
Institutional investors control 28.09% 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 September 2014, these large investors purchased a net $23.0 million shares.
Other institutional17.77%
Mutual fund holders10.33%
Individual stakeholders0.27%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

12/31/2014BVF PARTNERS LP  Bought 7.3 Million shares of Mast Therapeutics Inc
12/31/2014ALYESKA INVESTMENT GROUP LP  Bought 4.7 Million shares of Mast Therapeutics Inc
12/31/2014SABBY CAPITAL LLC  Bought 3.5 Million 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%11,946,1005,220,44600.00%
BVF Partners LP4.57%7,291,6003,186,429+7,291,600--
Baker Bros. Advisors LP2.99%4,774,4342,086,428+1,774,434+59.15%
Alyeska Investment Group LP2.93%4,678,8552,044,660+4,678,855--
Sabby Capital LLC2.22%3,539,7791,546,883+3,539,779--
The Vanguard Group, Inc.2.12%3,382,4831,478,145+571,692+20.34%
Sphera Funds Management Ltd.0.86%1,374,900600,831+1,374,900--
Perkins Capital Management, Inc.0.72%1,150,000502,550+1,150,000--
Deutsche Asset & Wealth Managemen...0.72%1,140,200498,267+1,140,200--
Deerfield Management Co. LP0.44%700,000305,900+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%6,592,6002,880,96600.00%
Franklin Biotechnology Discovery ...3.36%5,353,5002,339,48000.00%
Vanguard Total Stock Market Index...1.43%2,283,698997,976+21,400+0.95%
Vanguard Extended Market Index Fu...0.69%1,092,271477,322+184,371+20.31%
Fidelity Spartan Extended Market ...0.33%531,478232,25600.00%
OCP International0.09%150,00065,550+150,000--
Vanguard Balanced Index Fund0.08%125,55254,86600.00%
Vanguard Institutional Total Stoc...0.05%81,95335,81300.00%
DFA US Small Cap Portfolio0.05%76,90033,60500.00%
DFA US Micro Cap Portfolio0.05%72,43831,65500.00%

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