SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 98 filers reported holding SIENTRA INC in Q3 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $89,000 | -64.0% | 24,319 | -21.6% | 0.00% | -100.0% |
| Q2 2021 | $247,000 | -14.5% | 31,024 | -21.7% | 0.00% | -50.0% |
| Q1 2021 | $289,000 | -21.7% | 39,610 | -58.2% | 0.00% | -33.3% |
| Q4 2020 | $369,000 | -58.0% | 94,869 | -63.3% | 0.00% | -75.0% |
| Q3 2020 | $879,000 | +312.7% | 258,543 | +370.7% | 0.01% | +300.0% |
| Q2 2020 | $213,000 | -28.8% | 54,923 | +64.2% | 0.00% | +50.0% |
| Q4 2019 | $299,000 | -61.5% | 33,453 | -73.5% | 0.00% | -75.0% |
| Q2 2019 | $777,000 | +95.7% | 126,056 | +172.1% | 0.01% | +100.0% |
| Q1 2019 | $397,000 | -43.4% | 46,323 | -16.0% | 0.00% | -50.0% |
| Q4 2018 | $701,000 | +41.9% | 55,160 | +166.4% | 0.01% | +33.3% |
| Q3 2018 | $494,000 | +10.8% | 20,704 | -9.4% | 0.01% | 0.0% |
| Q2 2018 | $446,000 | +127.6% | 22,844 | +63.7% | 0.01% | +100.0% |
| Q4 2017 | $196,000 | – | 13,957 | – | 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% |