MAST THERAPEUTICS INC's ticker is MSTX and the CUSIP is 576314108. A total of 39 filers reported holding MAST THERAPEUTICS INC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $0 | -100.0% | 2,969,381 | 0.0% | 0.00% | -100.0% |
| Q4 2016 | $258,000 | -21.1% | 2,969,381 | 0.0% | 0.00% | -33.3% |
| Q3 2016 | $327,000 | -76.6% | 2,969,381 | 0.0% | 0.00% | -76.9% |
| Q2 2016 | $1,396,000 | +72.3% | 2,969,381 | 0.0% | 0.01% | +85.7% |
| Q1 2016 | $810,000 | -35.1% | 2,969,381 | 0.0% | 0.01% | -46.2% |
| Q4 2015 | $1,248,000 | -27.6% | 2,969,381 | 0.0% | 0.01% | -35.0% |
| Q3 2015 | $1,723,000 | -40.8% | 2,969,381 | -50.0% | 0.02% | +17.6% |
| Q2 2015 | $2,910,000 | +11.8% | 5,938,762 | +10.6% | 0.02% | -52.8% |
| Q1 2015 | $2,603,000 | -47.2% | 5,368,273 | -39.0% | 0.04% | -57.1% |
| Q4 2014 | $4,927,000 | +398.2% | 8,797,655 | +395.6% | 0.08% | +320.0% |
| Q3 2014 | $989,000 | -11.4% | 1,775,000 | 0.0% | 0.02% | -20.0% |
| Q2 2014 | $1,116,000 | -53.8% | 1,775,000 | 0.0% | 0.02% | -62.1% |
| Q1 2014 | $2,414,000 | +37.4% | 1,775,000 | -6.6% | 0.07% | -4.3% |
| Q4 2013 | $1,757,000 | +5.3% | 1,900,000 | 0.0% | 0.07% | +1.5% |
| Q3 2013 | $1,668,000 | -48.9% | 1,900,000 | -66.7% | 0.07% | -57.5% |
| Q2 2013 | $3,262,000 | – | 5,700,000 | – | 0.16% | – |
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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% |