SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 107 filers reported holding SIENTRA INC in Q4 2020. The put-call ratio across all filers is 0.01 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $41,000 | -39.7% | 18,536 | 0.0% | 0.00% | – |
| Q4 2021 | $68,000 | -35.2% | 18,536 | +1.0% | 0.00% | – |
| Q3 2021 | $105,000 | -28.1% | 18,349 | 0.0% | 0.00% | – |
| Q2 2021 | $146,000 | +13.2% | 18,349 | +3.4% | 0.00% | – |
| Q1 2021 | $129,000 | +87.0% | 17,746 | 0.0% | 0.00% | – |
| Q4 2020 | $69,000 | +15.0% | 17,746 | 0.0% | 0.00% | – |
| Q3 2020 | $60,000 | -13.0% | 17,746 | 0.0% | 0.00% | – |
| Q2 2020 | $69,000 | +97.1% | 17,746 | 0.0% | 0.00% | – |
| Q1 2020 | $35,000 | -78.0% | 17,746 | 0.0% | 0.00% | – |
| Q4 2019 | $159,000 | +38.3% | 17,746 | 0.0% | 0.00% | – |
| Q3 2019 | $115,000 | +5.5% | 17,746 | 0.0% | 0.00% | – |
| Q2 2019 | $109,000 | -28.3% | 17,746 | 0.0% | 0.00% | – |
| Q1 2019 | $152,000 | -32.7% | 17,746 | 0.0% | 0.00% | -100.0% |
| Q4 2018 | $226,000 | -46.7% | 17,746 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $424,000 | +22.5% | 17,746 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $346,000 | +130.7% | 17,746 | +14.0% | 0.00% | – |
| Q1 2018 | $150,000 | -31.5% | 15,566 | 0.0% | 0.00% | -100.0% |
| Q4 2017 | $219,000 | -8.8% | 15,566 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $240,000 | +58.9% | 15,566 | 0.0% | 0.00% | – |
| Q2 2017 | $151,000 | – | 15,566 | – | 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% |