SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 1 filers reported holding SIENTRA INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.
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 | $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% |