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 | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $77,000 | -28.0% | 13,500 | 0.0% | 0.05% | -21.3% |
| Q2 2021 | $107,000 | +9.2% | 13,500 | 0.0% | 0.06% | +7.0% |
| Q1 2021 | $98,000 | +84.9% | 13,500 | 0.0% | 0.06% | +62.9% |
| Q4 2020 | $53,000 | +15.2% | 13,500 | 0.0% | 0.04% | -16.7% |
| Q3 2020 | $46,000 | +70.4% | 13,500 | 0.0% | 0.04% | +27.3% |
| Q1 2020 | $27,000 | – | 13,500 | – | 0.03% | – |
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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% |