SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 109 filers reported holding SIENTRA INC in Q2 2018. The put-call ratio across all filers is 0.04 and the average weighting 0.6%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $0 | – | 31 | 0.0% | 0.00% | – |
| Q3 2019 | $0 | – | 31 | 0.0% | 0.00% | – |
| Q2 2019 | $0 | – | 31 | 0.0% | 0.00% | – |
| Q1 2019 | $0 | -100.0% | 31 | -95.0% | 0.00% | – |
| Q4 2018 | $8,000 | -46.7% | 626 | 0.0% | 0.00% | – |
| Q3 2018 | $15,000 | +25.0% | 626 | +5.2% | 0.00% | – |
| Q2 2018 | $12,000 | +100.0% | 595 | 0.0% | 0.00% | – |
| Q1 2018 | $6,000 | -25.0% | 595 | 0.0% | 0.00% | – |
| Q4 2017 | $8,000 | -11.1% | 595 | 0.0% | 0.00% | – |
| Q3 2017 | $9,000 | +50.0% | 595 | 0.0% | 0.00% | – |
| Q2 2017 | $6,000 | -80.0% | 595 | -83.0% | 0.00% | -100.0% |
| Q4 2016 | $30,000 | -3.2% | 3,500 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $31,000 | -6.1% | 3,500 | -31.9% | 0.00% | 0.0% |
| Q2 2016 | $33,000 | – | 5,137 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 1,673,589 | $1,071,000 | 0.37% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 2,320,000 | $1,485,000 | 0.29% |
| X-Square Capital, LLC | 265,503 | $170,000 | 0.11% |
| AWM Investment Company, Inc. | 799,766 | $512,000 | 0.08% |
| GSA CAPITAL PARTNERS LLP | 813,884 | $521,000 | 0.07% |
| Parkman Healthcare Partners LLC | 373,586 | $239,000 | 0.07% |
| Birchview Capital, LP | 40,000 | $26,000 | 0.02% |
| Matisse Capital | 15,818 | $10,000 | 0.01% |
| Frisch Financial Group, Inc. | 42,000 | $27,000 | 0.01% |
| HighMark Wealth Management LLC | 17,300 | $11,000 | 0.01% |