SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 126 filers reported holding SIENTRA INC in Q1 2021. The put-call ratio across all filers is 0.10 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $706,000 | +87.3% | 96,800 | 0.0% | 0.00% | – |
| Q4 2020 | $377,000 | +12.2% | 96,800 | -2.0% | 0.00% | – |
| Q3 2020 | $336,000 | -7.4% | 98,800 | +5.2% | 0.00% | – |
| Q2 2020 | $363,000 | +202.5% | 93,900 | +55.7% | 0.00% | – |
| Q1 2020 | $120,000 | -77.7% | 60,300 | 0.0% | 0.00% | – |
| Q4 2019 | $539,000 | +95.3% | 60,300 | +177.3% | 0.00% | – |
| Q4 2018 | $276,000 | -46.8% | 21,742 | 0.0% | 0.00% | -100.0% |
| Q3 2018 | $519,000 | – | 21,742 | – | 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% |