MAST THERAPEUTICS INC's ticker is MSTX and the CUSIP is 576314108. A total of 37 filers reported holding MAST THERAPEUTICS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q4 2015 | $49,000 | -61.4% | 116,224 | -46.8% | 0.00% | – |
Q3 2015 | $127,000 | +18.7% | 218,303 | 0.0% | 0.00% | – |
Q2 2015 | $107,000 | 0.0% | 218,303 | -1.2% | 0.00% | – |
Q1 2015 | $107,000 | -13.7% | 220,903 | 0.0% | 0.00% | – |
Q4 2014 | $124,000 | -4.6% | 220,903 | -5.5% | 0.00% | – |
Q3 2014 | $130,000 | -22.2% | 233,685 | -11.9% | 0.00% | – |
Q2 2014 | $167,000 | -8.2% | 265,156 | -0.9% | 0.00% | – |
Q1 2014 | $182,000 | +46.8% | 267,698 | 0.0% | 0.00% | – |
Q4 2013 | $124,000 | -3.9% | 267,698 | -9.0% | 0.00% | – |
Q3 2013 | $129,000 | +1.6% | 294,032 | -0.8% | 0.00% | – |
Q2 2013 | $127,000 | – | 296,432 | – | 0.00% | – |
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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% |