MAST THERAPEUTICS INC's ticker is MSTX and the CUSIP is 576314108. A total of 42 filers reported holding MAST THERAPEUTICS INC in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GREAT POINT PARTNERS LLC | 1,294,934 | $599,000 | 0.42% |
| Ancora Advisors LLC | 1,234,599 | $571,000 | 0.09% |
| Alyeska Investment Group, L.P. | 1,900,000 | $1,757,000 | 0.07% |
| THOMPSON DAVIS & CO., INC. | 80,000 | $37,000 | 0.06% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 1,466,249 | $678,000 | 0.04% |
| SHEPHERD KAPLAN KROCHUK, LLC | 532,776 | $246,000 | 0.03% |
| PACIFIC ALTERNATIVE ASSET MANAGEMENT COMPANY, LLC | 123,450 | $57,000 | 0.02% |
| WEXFORD CAPITAL LP | 89,360 | $41,000 | 0.00% |
| FRANKLIN RESOURCES INC | 12,046,100 | $5,570,000 | 0.00% |
| Renaissance Technologies | 1,535,000 | $710,000 | 0.00% |