MAST THERAPEUTICS INC's ticker is MSTX and the CUSIP is 576314108. A total of 29 filers reported holding MAST THERAPEUTICS INC in Q1 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
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% |