SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 110 filers reported holding SIENTRA INC in Q2 2019. The put-call ratio across all filers is 2.14 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $681,000 | -39.3% | 298,496 | -2.5% | 0.00% | – |
| Q4 2021 | $1,121,000 | -14.0% | 306,201 | +39.6% | 0.00% | – |
| Q3 2021 | $1,303,000 | -13.7% | 219,293 | +15.7% | 0.00% | – |
| Q2 2021 | $1,509,000 | +20.7% | 189,590 | +10.5% | 0.00% | – |
| Q1 2021 | $1,250,000 | +79.9% | 171,537 | -3.9% | 0.00% | – |
| Q4 2020 | $695,000 | +16.4% | 178,573 | +1.5% | 0.00% | – |
| Q3 2020 | $597,000 | -11.9% | 175,856 | +0.5% | 0.00% | – |
| Q2 2020 | $678,000 | -20.0% | 174,970 | -58.9% | 0.00% | – |
| Q1 2020 | $847,000 | -71.9% | 425,663 | +26.2% | 0.00% | -100.0% |
| Q4 2019 | $3,015,000 | +93.8% | 337,297 | +40.4% | 0.00% | 0.0% |
| Q3 2019 | $1,556,000 | +181.9% | 240,253 | +168.1% | 0.00% | – |
| Q2 2019 | $552,000 | – | 89,604 | – | 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% |