RAPTOR PHARMACEUTICAL CORP's ticker is RPTP and the CUSIP is 75382F106. A total of 109 filers reported holding RAPTOR PHARMACEUTICAL CORP in Q3 2015. The put-call ratio across all filers is 1.06 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $628,000 | +119.6% | 69,952 | +31.4% | 0.01% | +160.0% |
| Q2 2016 | $286,000 | +61.6% | 53,252 | +38.8% | 0.01% | +25.0% |
| Q1 2016 | $177,000 | -94.5% | 38,378 | -93.8% | 0.00% | -88.2% |
| Q4 2015 | $3,238,000 | +145.7% | 622,654 | +185.9% | 0.03% | +161.5% |
| Q3 2015 | $1,318,000 | -57.0% | 217,808 | +12.3% | 0.01% | -53.6% |
| Q2 2015 | $3,063,000 | -22.4% | 193,987 | -46.6% | 0.03% | -28.2% |
| Q1 2015 | $3,947,000 | -0.3% | 363,113 | -3.5% | 0.04% | +56.0% |
| Q4 2014 | $3,959,000 | +42.0% | 376,411 | +29.4% | 0.02% | +92.3% |
| Q3 2014 | $2,789,000 | -14.1% | 290,778 | +3.4% | 0.01% | -13.3% |
| Q2 2014 | $3,248,000 | – | 281,220 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SV Health Investors, LLC | 888,132 | $7,966,000 | 6.12% |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 1,054,678 | $9,460,000 | 3.30% |
| Kassirer Asset Management Corp | 363,700 | $3,262,000 | 2.36% |
| WATER ISLAND CAPITAL LLC | 3,359,140 | $30,131,000 | 1.91% |
| Banco BTG Pactual S.A. | 338,889 | $3,040,000 | 1.43% |
| GARDNER LEWIS ASSET MANAGEMENT L P | 1,941,012 | $17,411,000 | 1.41% |
| FIRST NEW YORK SECURITIES LLC /NY | 237,500 | $2,130,375,000 | 1.41% |
| ALPINE ASSOCIATES MANAGEMENT INC. | 3,804,600 | $34,089,000 | 1.25% |
| Atika Capital Management LLC | 300,000 | $2,691,000 | 1.10% |
| Atika Capital Management LLC | 298,200 | $2,672,000 | 1.09% |