RAPTOR PHARMACEUTICAL CORP's ticker is RPTP and the CUSIP is 75382F106. A total of 95 filers reported holding RAPTOR PHARMACEUTICAL CORP in Q2 2016. The put-call ratio across all filers is 0.29 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $1,542,000 | +1876.9% | 171,958 | +1085.9% | 0.16% | +1372.7% |
| Q2 2016 | $78,000 | +62.5% | 14,500 | +38.6% | 0.01% | +57.1% |
| Q1 2016 | $48,000 | -14.3% | 10,465 | -2.2% | 0.01% | -22.2% |
| Q4 2015 | $56,000 | -17.6% | 10,700 | +148.8% | 0.01% | -10.0% |
| Q2 2015 | $68,000 | +209.1% | 4,300 | +115.0% | 0.01% | +233.3% |
| Q1 2015 | $22,000 | -12.0% | 2,000 | -20.0% | 0.00% | 0.0% |
| Q1 2014 | $25,000 | -57.6% | 2,500 | -44.3% | 0.00% | -66.7% |
| Q4 2013 | $59,000 | +96.7% | 4,492 | +125.5% | 0.01% | +80.0% |
| Q3 2013 | $30,000 | -36.2% | 1,992 | -60.2% | 0.01% | -50.0% |
| Q2 2013 | $47,000 | – | 5,000 | – | 0.01% | – |
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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% |