SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 112 filers reported holding SIENTRA INC in Q1 2022. The put-call ratio across all filers is 1.22 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $299,223 | -51.8% | 1,474,733 | +52.1% | 0.00% | -50.0% |
| Q3 2022 | $621,000 | +5.6% | 969,807 | +38.2% | 0.00% | 0.0% |
| Q2 2022 | $588,000 | -46.1% | 701,488 | +42.9% | 0.00% | -33.3% |
| Q1 2022 | $1,090,000 | +17.0% | 490,809 | +93.4% | 0.00% | +50.0% |
| Q4 2021 | $932,000 | +229.3% | 253,831 | +414.5% | 0.00% | +100.0% |
| Q3 2021 | $283,000 | +298.6% | 49,331 | +452.4% | 0.00% | – |
| Q2 2021 | $71,000 | – | 8,931 | – | 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% |