RAPTOR PHARMACEUTICAL CORP's ticker is RPTP and the CUSIP is 75382F106. A total of 111 filers reported holding RAPTOR PHARMACEUTICAL CORP in Q4 2015. The put-call ratio across all filers is 1.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $135,000 | +66.7% | 15,051 | 0.0% | 0.00% | – |
| Q2 2016 | $81,000 | +26.6% | 15,051 | +8.4% | 0.00% | – |
| Q1 2016 | $64,000 | -9.9% | 13,882 | +2.0% | 0.00% | – |
| Q4 2015 | $71,000 | -13.4% | 13,616 | 0.0% | 0.00% | – |
| Q3 2015 | $82,000 | -57.3% | 13,616 | +11.8% | 0.00% | – |
| Q2 2015 | $192,000 | 0.0% | 12,177 | -33.3% | 0.00% | – |
| Q4 2014 | $192,000 | +71.4% | 18,270 | +56.1% | 0.00% | – |
| Q3 2014 | $112,000 | -15.8% | 11,701 | +1.9% | 0.00% | – |
| Q2 2014 | $133,000 | -38.1% | 11,483 | -30.6% | 0.00% | – |
| Q4 2013 | $215,000 | -13.0% | 16,539 | 0.0% | 0.00% | -100.0% |
| Q3 2013 | $247,000 | – | 16,539 | – | 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% |