MAST THERAPEUTICS INC's ticker is MSTX and the CUSIP is 576314108. A total of 36 filers reported holding MAST THERAPEUTICS INC in Q1 2014. The put-call ratio across all filers is 0.01 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $69,000 | +3350.0% | 146,855 | +2074.0% | 0.00% | – |
| Q1 2016 | $2,000 | -33.3% | 6,755 | 0.0% | 0.00% | – |
| Q4 2015 | $3,000 | -25.0% | 6,755 | 0.0% | 0.00% | – |
| Q3 2015 | $4,000 | +33.3% | 6,755 | +1.5% | 0.00% | – |
| Q2 2015 | $3,000 | -25.0% | 6,655 | -19.7% | 0.00% | – |
| Q1 2015 | $4,000 | – | 8,285 | +3174.7% | 0.00% | – |
| Q4 2014 | $0 | -100.0% | 253 | -94.7% | 0.00% | – |
| Q3 2014 | $3,000 | -40.0% | 4,767 | -57.9% | 0.00% | – |
| Q4 2013 | $5,000 | – | 11,319 | +282875.0% | 0.00% | – |
| Q3 2013 | $0 | – | 4 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| MPM ASSET MANAGEMENT LLC | 2,551,851 | $1,199,000 | 0.39% |
| BVF INC/IL | 3,696,961 | $1,738,000 | 0.37% |
| PERKINS CAPITAL MANAGEMENT INC | 559,750 | $263,000 | 0.30% |
| Belmont Global Advisors, Inc. | 150,000 | $70,000 | 0.07% |
| SHEPHERD KAPLAN KROCHUK, LLC | 449,084 | $211,000 | 0.05% |
| Baker Brothers Advisors | 3,868,026 | $1,818,000 | 0.02% |
| Alyeska Investment Group, L.P. | 2,969,381 | $1,396,000 | 0.01% |
| LAU ASSOCIATES LLC | 20,000 | $9,000 | 0.01% |
| Virtu KCG Holdings LLC | 205,188 | $96,000 | 0.00% |
| HighTower Advisors, LLC | 336,098 | $157,000 | 0.00% |