SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 76 filers reported holding SIENTRA INC in Q1 2018. The put-call ratio across all filers is 0.05 and the average weighting 0.7%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $1,501,000 | +82.4% | 205,883 | -2.7% | 0.00% | – |
| Q4 2020 | $823,000 | -48.3% | 211,689 | -54.8% | 0.00% | -100.0% |
| Q3 2020 | $1,592,000 | -10.0% | 468,190 | +2.4% | 0.00% | 0.0% |
| Q2 2020 | $1,769,000 | +66.7% | 457,217 | -14.2% | 0.00% | 0.0% |
| Q1 2020 | $1,061,000 | -76.2% | 532,953 | +6.8% | 0.00% | -50.0% |
| Q4 2019 | $4,463,000 | +141.9% | 499,227 | +75.3% | 0.00% | +100.0% |
| Q3 2019 | $1,845,000 | +17.3% | 284,793 | +11.5% | 0.00% | 0.0% |
| Q2 2019 | $1,573,000 | -13.3% | 255,354 | +20.7% | 0.00% | 0.0% |
| Q1 2019 | $1,815,000 | +1244.4% | 211,590 | +1896.1% | 0.00% | – |
| Q4 2018 | $135,000 | -38.6% | 10,600 | -32.1% | 0.00% | – |
| Q4 2017 | $220,000 | -8.7% | 15,618 | 0.0% | 0.00% | – |
| Q3 2017 | $241,000 | +33.1% | 15,618 | -16.3% | 0.00% | – |
| Q2 2017 | $181,000 | +42.5% | 18,660 | +23.4% | 0.00% | – |
| Q1 2017 | $127,000 | – | 15,126 | – | 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% |