MAST THERAPEUTICS INC's ticker is and the CUSIP is 576314958. A total of 1 filers reported holding MAST THERAPEUTICS INC in Q2 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $17,000 | – | 369 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 254 | $57,000 | 0.00% |