SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 126 filers reported holding SIENTRA INC in Q2 2021. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $7,000 | -36.4% | 3,082 | 0.0% | 0.00% | – |
| Q4 2021 | $11,000 | -38.9% | 3,082 | 0.0% | 0.00% | -100.0% |
| Q3 2021 | $18,000 | -28.0% | 3,082 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $25,000 | +13.6% | 3,082 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $22,000 | +83.3% | 3,082 | 0.0% | 0.00% | – |
| Q4 2020 | $12,000 | +20.0% | 3,082 | 0.0% | 0.00% | – |
| Q3 2020 | $10,000 | -80.0% | 3,082 | -75.9% | 0.00% | -100.0% |
| Q2 2020 | $50,000 | – | 12,810 | – | 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% |