SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 108 filers reported holding SIENTRA INC in Q4 2018. The put-call ratio across all filers is 5.74 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $5,959,000 | -60.1% | 468,828 | -25.0% | 0.02% | -46.3% |
| Q3 2018 | $14,919,000 | +93.8% | 624,748 | +58.3% | 0.04% | +78.3% |
| Q2 2018 | $7,698,000 | +43.8% | 394,564 | +3.7% | 0.02% | +53.3% |
| Q4 2017 | $5,352,000 | -1.9% | 380,611 | +7.5% | 0.02% | -6.2% |
| Q3 2017 | $5,453,000 | -24.2% | 354,080 | +24.1% | 0.02% | -15.8% |
| Q2 2015 | $7,197,000 | +51.0% | 285,257 | +14.8% | 0.02% | +58.3% |
| Q1 2015 | $4,767,000 | +68.2% | 248,426 | +47.2% | 0.01% | +71.4% |
| Q4 2014 | $2,834,000 | – | 168,782 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 2,390,843 | $20,466,000 | 18.32% |
| X-Square Capital, LLC | 258,664 | $2,219,000 | 1.52% |
| QUANTUM CAPITAL MANAGEMENT | 224,959 | $1,930,000 | 1.04% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 2,730,632 | $23,429,000 | 0.90% |
| Granite Point Capital Management, L.P. | 880,000 | $7,550,000 | 0.73% |
| PURA VIDA INVESTMENTS, LLC | 281,200 | $2,413,000 | 0.34% |
| Endurant Capital Management LP | 88,373 | $758,000 | 0.30% |
| Granahan Investment Management | 566,909 | $4,864,000 | 0.26% |
| PURA VIDA INVESTMENTS, LLC | 200,000 | $1,716,000 | 0.24% |
| PURA VIDA INVESTMENTS, LLC | 190,429 | $1,634,000 | 0.23% |