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 2015 | $1,000 | -90.9% | 145 | -79.1% | 0.00% | -100.0% |
| Q2 2015 | $11,000 | +83.3% | 695 | +33.7% | 0.00% | +50.0% |
| Q1 2015 | $6,000 | +20.0% | 520 | 0.0% | 0.00% | +100.0% |
| Q4 2014 | $5,000 | 0.0% | 520 | +10.6% | 0.00% | 0.0% |
| Q3 2014 | $5,000 | 0.0% | 470 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $5,000 | +400.0% | 470 | +394.7% | 0.00% | – |
| Q1 2014 | $1,000 | 0.0% | 95 | -5.0% | 0.00% | – |
| Q4 2013 | $1,000 | – | 100 | – | 0.00% | – |
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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% |