SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 98 filers reported holding SIENTRA INC in Q1 2019. The put-call ratio across all filers is 0.87 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $1,434,000 | -11.0% | 370,566 | -54.2% | 0.05% | -40.2% |
| Q1 2020 | $1,612,000 | -76.3% | 809,972 | +6.6% | 0.09% | -72.2% |
| Q4 2019 | $6,792,000 | +36.2% | 759,725 | -1.3% | 0.31% | +14.2% |
| Q3 2019 | $4,986,000 | -20.8% | 769,512 | -24.7% | 0.27% | -11.9% |
| Q2 2019 | $6,299,000 | +29.5% | 1,022,539 | +80.4% | 0.31% | +19.2% |
| Q1 2019 | $4,864,000 | +20.8% | 566,909 | +79.0% | 0.26% | -8.4% |
| Q4 2018 | $4,025,000 | -44.8% | 316,708 | +3.8% | 0.28% | -27.8% |
| Q3 2018 | $7,286,000 | +38.9% | 305,116 | +13.5% | 0.40% | +25.0% |
| Q2 2018 | $5,246,000 | – | 268,881 | – | 0.32% | – |
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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% |