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 | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $5,672,000 | +580.1% | 634,488 | +392.7% | 1.26% | +912.0% |
| Q3 2019 | $834,000 | +21.0% | 128,770 | +15.2% | 0.12% | +26.3% |
| Q2 2019 | $689,000 | -85.2% | 111,780 | -53.2% | 0.10% | -76.5% |
| Q2 2018 | $4,657,000 | +1705.0% | 238,696 | +793.3% | 0.42% | +1658.3% |
| Q1 2018 | $258,000 | +126.3% | 26,720 | +61.0% | 0.02% | +100.0% |
| Q1 2016 | $114,000 | – | 16,600 | – | 0.01% | – |
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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% |