SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 98 filers reported holding SIENTRA INC in Q3 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $706,000 | +87.3% | 96,800 | 0.0% | 0.00% | – |
| Q4 2020 | $377,000 | +12.2% | 96,800 | -2.0% | 0.00% | – |
| Q3 2020 | $336,000 | -7.4% | 98,800 | +5.2% | 0.00% | – |
| Q2 2020 | $363,000 | +202.5% | 93,900 | +55.7% | 0.00% | – |
| Q1 2020 | $120,000 | -77.7% | 60,300 | 0.0% | 0.00% | – |
| Q4 2019 | $539,000 | +95.3% | 60,300 | +177.3% | 0.00% | – |
| Q4 2018 | $276,000 | -46.8% | 21,742 | 0.0% | 0.00% | -100.0% |
| Q3 2018 | $519,000 | – | 21,742 | – | 0.00% | – |
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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% |