Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

0.4974
Delayed Data
As of 1:23pm ET
 -0.0226 / -4.35%
Today’s Change
0.40
Today|||52-Week Range
0.73
-11.18%
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 institutional17.76%
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%11,946,1006,211,97200.00%
BVF Partners LP4.57%7,291,6003,791,632+7,291,600--
Baker Bros. Advisors LP2.99%4,774,4342,482,706+1,774,434+59.15%
Alyeska Investment Group LP2.93%4,678,8552,433,005+4,678,855--
Sabby Capital LLC2.22%3,539,7791,840,685+3,539,779--
The Vanguard Group, Inc.2.12%3,382,4831,758,891+571,692+20.34%
Sphera Funds Management Ltd.0.86%1,374,900714,948+1,374,900--
Perkins Capital Management, Inc.0.72%1,150,000598,000+1,150,000--
Deutsche Asset & Wealth Managemen...0.72%1,140,200592,904+1,140,200--
Deerfield Management Co. LP0.44%700,000364,000+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%6,592,6003,428,15200.00%
Franklin Biotechnology Discovery ...3.36%5,353,5002,783,82000.00%
Vanguard Total Stock Market Index...1.43%2,287,2981,189,395+3,600+0.16%
Vanguard Extended Market Index Fu...0.69%1,092,271567,981+184,371+20.31%
Fidelity Spartan Extended Market ...0.33%531,478276,36900.00%
OCP International0.09%150,00078,000+150,000--
Vanguard Balanced Index Fund0.08%125,55265,28700.00%
Vanguard Institutional Total Stoc...0.05%81,95342,61600.00%
DFA US Small Cap Portfolio0.05%76,90039,98800.00%
DFA US Micro Cap Portfolio0.05%72,43837,66800.00%

To view my watchlist

Not a member yet?

Sign up now for a free account