RAPTOR PHARMACEUTICAL CORP's ticker is RPTP and the CUSIP is 75382F106. A total of 97 filers reported holding RAPTOR PHARMACEUTICAL CORP in Q1 2016. The put-call ratio across all filers is 4.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $1,145,000 | +60.8% | 127,700 | -3.7% | 0.00% | +100.0% |
| Q2 2016 | $712,000 | +27.8% | 132,600 | +5.7% | 0.00% | 0.0% |
| Q1 2016 | $557,000 | +6.3% | 125,400 | +24.5% | 0.00% | 0.0% |
| Q4 2015 | $524,000 | -14.0% | 100,700 | 0.0% | 0.00% | -50.0% |
| Q3 2015 | $609,000 | -54.8% | 100,700 | +18.1% | 0.00% | -33.3% |
| Q2 2015 | $1,347,000 | +64.5% | 85,300 | +13.3% | 0.00% | +50.0% |
| Q1 2015 | $819,000 | +7.1% | 75,300 | +3.6% | 0.00% | -33.3% |
| Q4 2014 | $765,000 | +9.8% | 72,700 | 0.0% | 0.00% | 0.0% |
| Q3 2014 | $697,000 | -17.0% | 72,700 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $840,000 | +15.5% | 72,700 | 0.0% | 0.00% | 0.0% |
| Q1 2014 | $727,000 | +2.3% | 72,700 | +33.2% | 0.00% | 0.0% |
| Q4 2013 | $711,000 | +5.0% | 54,600 | +20.5% | 0.00% | 0.0% |
| Q3 2013 | $677,000 | +59.7% | 45,300 | 0.0% | 0.00% | +50.0% |
| Q2 2013 | $424,000 | – | 45,300 | – | 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% |