SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 107 filers reported holding SIENTRA INC in Q4 2020. The put-call ratio across all filers is 0.01 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,351,000 | -81.8% | 368,016 | -71.6% | 0.01% | -82.1% |
| Q3 2021 | $7,424,000 | -52.7% | 1,295,716 | -34.3% | 0.06% | -48.1% |
| Q2 2021 | $15,691,000 | +7.7% | 1,971,179 | -1.3% | 0.11% | +10.2% |
| Q1 2021 | $14,565,000 | +108.5% | 1,997,979 | +11.3% | 0.10% | +69.0% |
| Q4 2020 | $6,986,000 | +159.3% | 1,795,879 | +126.6% | 0.06% | +100.0% |
| Q3 2020 | $2,694,000 | – | 792,443 | – | 0.03% | – |
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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% |