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Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

0.432
Delayed Data
As of 1:31pm ET
 +0.025 / +6.14%
Today’s Change
0.21
Today|||52-Week Range
0.60
+2.78%
Year-to-Date
Institutional investors control 11.50% 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 June 2016, these large investors purchased a net $2.9 million shares.
Other institutional6.56%
Mutual fund holders4.94%
Individual stakeholders0.24%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

6/30/2016THE VANGUARD GROUP, INC.  Bought 923.5 Thousand shares of Mast Therapeutics Inc
6/30/2016RENAISSANCE TECHNOLOGIES LLC  Bought 809.7 Thousand shares of Mast Therapeutics Inc
6/30/2016GEODE CAPITAL MANAGEMENT LLC  Bought 334.4 Thousand shares of Mast Therapeutics Inc

Top 10 Owners of Mast Therapeutics Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
The Vanguard Group, Inc.3.11%5,996,0472,140,589+923,507+18.21%
Baker Bros. Advisors LP2.01%3,868,0261,380,885-929,416-19.37%
BVF Partners LP1.92%3,696,9611,319,81500.00%
Franklin Advisers, Inc.0.70%1,350,600482,16400.00%
Pine River Capital Management LP0.65%1,250,000446,25000.00%
Geode Capital Management LLC0.53%1,012,559361,484+334,443+49.32%
Renaissance Technologies LLC0.43%831,162296,725+809,692+3,771.27%
Auriga Capital Management LLC0.30%576,937205,967+576,937--
Perkins Capital Management, Inc.0.29%559,750199,831-3,750-0.67%
GRT Capital Partners LLC0.23%449,084160,323-132,802-22.82%

Top 10 Mutual Funds Holding Mast Therapeutics Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Vanguard Total Stock Market Index...1.99%3,834,3071,368,848+97,600+2.61%
Vanguard Extended Market Index Fu...1.08%2,075,073740,801+34,390+1.69%
Fidelity Spartan Extended Market ...0.45%865,921309,134+334,443+62.93%
FTIF SICAV - Biotechnology Discov...0.38%740,373264,31300.00%
Franklin Biotechnology Discovery ...0.32%610,227217,85100.00%
Auriga Investors - Montserrat Glo...0.30%576,937205,967+576,937--
Goodwood SMID Cap Discovery Fund0.18%350,000124,950+225,000+180.00%
Fidelity Spartan Total Market Ind...0.08%146,63852,35000.00%
Vanguard Total Stock Market Index...0.05%102,90036,73500.00%
Vanguard Balanced Index Fund0.05%88,37731,55100.00%