SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 118 filers reported holding SIENTRA INC in Q3 2021. The put-call ratio across all filers is 0.43 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $3,175 | -75.6% | 15,650 | 0.0% | 0.00% | -66.7% |
| Q2 2022 | $13,000 | +333.3% | 15,650 | +1017.9% | 0.00% | +200.0% |
| Q1 2022 | $3,000 | -40.0% | 1,400 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $5,000 | -37.5% | 1,400 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $8,000 | -27.3% | 1,400 | 0.0% | 0.00% | -50.0% |
| Q2 2021 | $11,000 | +10.0% | 1,400 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $10,000 | +100.0% | 1,400 | 0.0% | 0.00% | +100.0% |
| Q4 2020 | $5,000 | 0.0% | 1,400 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $5,000 | 0.0% | 1,400 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $5,000 | +66.7% | 1,400 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $3,000 | -76.9% | 1,400 | 0.0% | 0.00% | -75.0% |
| Q4 2019 | $13,000 | +44.4% | 1,400 | 0.0% | 0.00% | +33.3% |
| Q3 2019 | $9,000 | 0.0% | 1,400 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $9,000 | -97.1% | 1,400 | -96.2% | 0.00% | -97.4% |
| Q1 2019 | $312,000 | +151.6% | 36,400 | +273.9% | 0.11% | +123.5% |
| Q4 2018 | $124,000 | -46.6% | 9,734 | 0.0% | 0.05% | -39.3% |
| Q3 2018 | $232,000 | +759.3% | 9,734 | +595.3% | 0.08% | +740.0% |
| Q2 2018 | $27,000 | +92.9% | 1,400 | 0.0% | 0.01% | +100.0% |
| Q1 2018 | $14,000 | – | 1,400 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 2,390,843 | $9,229,000 | 2.58% |
| X-Square Capital, LLC | 296,012 | $1,146,000 | 0.81% |
| QUANTUM CAPITAL MANAGEMENT | 344,741 | $1,334,000 | 0.78% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 4,162,804 | $16,110,000 | 0.47% |
| Granite Point Capital Management, L.P. | 2,367,088 | $9,161,000 | 0.47% |
| G2 Investment Partners Management LLC | 337,233 | $1,305,000 | 0.31% |
| Granite Point Capital Management, L.P. | 750,000 | $2,903,000 | 0.15% |
| A.R.T. Advisors, LLC | 23,691 | $92,000 | 0.14% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 300,000 | $1,162,000 | 0.12% |
| ALGERT GLOBAL LLC | 59,000 | $228,000 | 0.08% |