SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 104 filers reported holding SIENTRA INC in Q3 2019. The put-call ratio across all filers is 0.33 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $311,000 | -87.7% | 84,621 | -70.1% | 0.18% | -93.4% |
| Q4 2019 | $2,528,000 | +11.5% | 282,745 | -19.2% | 2.75% | +3.4% |
| Q3 2019 | $2,268,000 | +47.3% | 350,000 | +40.0% | 2.66% | +66.9% |
| Q2 2019 | $1,540,000 | +74.2% | 250,000 | +259.8% | 1.59% | +96.7% |
| Q4 2018 | $884,000 | -55.9% | 69,480 | -17.3% | 0.81% | -48.2% |
| Q3 2018 | $2,006,000 | +8.8% | 84,000 | -11.1% | 1.56% | +11.2% |
| Q2 2018 | $1,843,000 | – | 94,467 | – | 1.41% | – |
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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% |