SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 114 filers reported holding SIENTRA INC in Q4 2021. The put-call ratio across all filers is 0.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $4,000 | -33.3% | 796 | 0.0% | 0.00% | – |
| Q2 2021 | $6,000 | -66.7% | 796 | -86.3% | 0.00% | -100.0% |
| Q1 2021 | $18,000 | +28.6% | 5,800 | -4.9% | 0.00% | -50.0% |
| Q3 2019 | $14,000 | -71.4% | 6,100 | -37.8% | 0.00% | -60.0% |
| Q2 2019 | $49,000 | +16.7% | 9,800 | +221.5% | 0.01% | +150.0% |
| Q4 2017 | $42,000 | -6.7% | 3,048 | -22.8% | 0.00% | 0.0% |
| Q3 2017 | $45,000 | +4400.0% | 3,950 | +3426.8% | 0.00% | – |
| Q2 2017 | $1,000 | – | 112 | +12.0% | 0.00% | – |
| Q3 2016 | $0 | – | 100 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 2,390,843 | $15,469,000 | 9.78% |
| Cannell Capital | 1,941,673 | $12,582,000 | 4.08% |
| Millrace Asset Group, Inc. | 350,000 | $2,268,000 | 2.66% |
| Broadfin Capital, LLC | 2,001,895 | $12,972,000 | 2.40% |
| Copernicus Capital Management, LLC | 385,000 | $2,495,000 | 2.32% |
| Endurant Capital Management LP | 529,950 | $3,434,000 | 1.23% |
| QUANTUM CAPITAL MANAGEMENT | 344,741 | $2,234,000 | 1.13% |
| X-Square Capital, LLC | 275,312 | $1,784,000 | 1.12% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 4,137,470 | $26,811,000 | 1.09% |
| Granite Point Capital Management, L.P. | 566,372 | $3,670,000 | 0.57% |