MAST THERAPEUTICS INC's ticker is MSTX and the CUSIP is 576314108. A total of 37 filers reported holding MAST THERAPEUTICS INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q4 2016 | $19,000 | -69.4% | 213,500 | -61.9% | 0.02% | -66.1% |
Q3 2016 | $62,000 | -76.4% | 559,750 | 0.0% | 0.06% | -79.4% |
Q2 2016 | $263,000 | +70.8% | 559,750 | -0.7% | 0.30% | +56.0% |
Q1 2016 | $154,000 | -35.3% | 563,500 | -0.7% | 0.19% | -24.3% |
Q4 2015 | $238,000 | -33.3% | 567,250 | -7.9% | 0.26% | -35.8% |
Q3 2015 | $357,000 | +17.0% | 615,750 | -1.2% | 0.40% | +48.1% |
Q2 2015 | $305,000 | -2.2% | 623,250 | -3.1% | 0.27% | +2.3% |
Q1 2015 | $312,000 | -51.6% | 643,000 | -44.1% | 0.26% | -52.6% |
Q4 2014 | $644,000 | +1241.7% | 1,150,000 | +945.5% | 0.55% | +1526.5% |
Q3 2013 | $48,000 | -20.0% | 110,000 | -21.4% | 0.03% | -29.2% |
Q2 2013 | $60,000 | – | 140,000 | – | 0.05% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
JAY JEFFREY R | 5,800,000 | $2,490,000 | 1.97% |
SABBY MANAGEMENT, LLC | 7,711,867 | $3,310,000 | 0.22% |
Ancora Advisors LLC | 1,848,045 | $793,000 | 0.14% |
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 3,948,302 | $1,695,000 | 0.08% |
Alyeska Investment Group, L.P. | 1,900,000 | $1,631,000 | 0.08% |
Alyeska Investment Group, L.P. | 3,800,000 | $1,631,000 | 0.08% |
SHEPHERD KAPLAN KROCHUK, LLC | 894,401 | $384,000 | 0.08% |
PERKINS CAPITAL MANAGEMENT INC | 140,000 | $60,000 | 0.05% |
Pine River Capital Management L.P. | 2,578,486 | $1,106,000 | 0.02% |
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 794,900 | $341,000,000 | 0.01% |