MAST THERAPEUTICS INC's ticker is MSTX and the CUSIP is 576314108. A total of 38 filers reported holding MAST THERAPEUTICS INC in Q3 2016. The put-call ratio across all filers is 0.01 and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q1 2017 | $2,000 | 0.0% | 20,000 | 0.0% | 0.00% | 0.0% |
Q4 2016 | $2,000 | 0.0% | 20,000 | 0.0% | 0.00% | 0.0% |
Q3 2016 | $2,000 | -77.8% | 20,000 | 0.0% | 0.00% | -77.8% |
Q2 2016 | $9,000 | +80.0% | 20,000 | 0.0% | 0.01% | +80.0% |
Q1 2016 | $5,000 | -37.5% | 20,000 | 0.0% | 0.01% | -44.4% |
Q4 2015 | $8,000 | -33.3% | 20,000 | 0.0% | 0.01% | -35.7% |
Q3 2015 | $12,000 | +20.0% | 20,000 | 0.0% | 0.01% | +40.0% |
Q2 2015 | $10,000 | – | 20,000 | – | 0.01% | – |
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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% |