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Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

BATS BZX Real-Time Price
As of 2:48pm ET
 -0.0072 / -1.53%
Today’s Change
Today|||52-Week Range
Institutional investors control 12.98% 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 March 2016, these large investors purchased a net $2.7 million shares.
Other institutional8.58%
Mutual fund holders4.41%
Individual stakeholders0.24%

Largest Quarterly Institutional

Latest Institutional Activity

3/31/2016SABBY CAPITAL LLC  Bought 3.9 Million shares of Mast Therapeutics Inc
3/31/2016THE VANGUARD GROUP, INC.  Bought 719.1 Thousand shares of Mast Therapeutics Inc
3/31/2016EVERPOINT ASSET MANAGEMENT LLC  Bought 500.0 Thousand shares of Mast Therapeutics Inc

Top 10 Owners of Mast Therapeutics Inc

Total value ($)Shares
bought / sold
The Vanguard Group, Inc.2.63%5,072,5401,958,000+719,116+16.52%
Baker Bros. Advisors LP2.49%4,797,4421,851,81300.00%
Sabby Capital LLC2.01%3,877,3561,496,659+3,877,356--
BVF Partners LP1.92%3,696,9611,427,02700.00%
Franklin Advisers, Inc.0.70%1,350,600521,332-2,520,277-65.11%
Pine River Capital Management LP0.65%1,250,000482,50000.00%
Geode Capital Management LLC0.35%678,116261,75300.00%
GRT Capital Partners LLC0.30%581,886224,60800.00%
Auriga Capital Management LLC0.30%576,937222,698+576,937--
Perkins Capital Management, Inc.0.29%563,500217,511-3,750-0.66%

Top 10 Mutual Funds Holding Mast Therapeutics Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Vanguard Total Stock Market Index...1.77%3,410,8411,316,585+120,866+3.67%
Vanguard Extended Market Index Fu...0.95%1,831,286706,87600.00%
FTIF SICAV - Biotechnology Discov...0.38%740,373285,784-1,377,507-65.04%
Franklin Biotechnology Discovery ...0.32%610,227235,548-1,140,393-65.14%
Auriga Investors - Montserrat Glo...0.30%576,937222,698+576,937--
Fidelity Spartan Extended Market ...0.28%531,478205,15100.00%
OCP International0.08%150,00057,90000.00%
Fidelity Spartan Total Market Ind...0.08%146,63856,60200.00%
Goodwood SMID Cap Discovery Fund0.07%125,00048,250-75,000-37.50%
Vanguard Total Stock Market Index...0.05%102,90039,71900.00%