SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 90 filers reported holding SIENTRA INC in Q1 2020. The put-call ratio across all filers is 0.15 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $244,000 | -39.2% | 109,700 | +0.3% | 0.00% | – |
| Q4 2021 | $401,000 | -36.0% | 109,400 | 0.0% | 0.00% | – |
| Q3 2021 | $627,000 | -28.0% | 109,400 | 0.0% | 0.00% | – |
| Q2 2021 | $871,000 | +9.1% | 109,400 | 0.0% | 0.00% | – |
| Q1 2021 | $798,000 | +60.2% | 109,400 | -14.5% | 0.00% | – |
| Q4 2020 | $498,000 | +14.5% | 127,900 | 0.0% | 0.00% | – |
| Q3 2020 | $435,000 | -12.1% | 127,900 | 0.0% | 0.00% | – |
| Q2 2020 | $495,000 | +145.0% | 127,900 | +25.8% | 0.00% | – |
| Q1 2020 | $202,000 | -73.2% | 101,700 | +20.5% | 0.00% | – |
| Q4 2019 | $755,000 | +38.0% | 84,400 | 0.0% | 0.00% | – |
| Q3 2019 | $547,000 | +31.8% | 84,400 | +25.2% | 0.00% | – |
| Q2 2019 | $415,000 | +86.1% | 67,400 | +159.2% | 0.00% | – |
| Q1 2019 | $223,000 | -18.3% | 26,000 | +20.9% | 0.00% | – |
| Q4 2018 | $273,000 | -46.8% | 21,500 | 0.0% | 0.00% | – |
| Q3 2018 | $513,000 | +45.3% | 21,500 | +18.8% | 0.00% | – |
| Q2 2018 | $353,000 | – | 18,100 | – | 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% |