SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 118 filers reported holding SIENTRA INC in Q3 2021. The put-call ratio across all filers is 0.43 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $4 | -100.0% | 20,342 | +50.7% | 0.00% | – |
| Q3 2022 | $8,000 | -27.3% | 13,500 | 0.0% | 0.00% | – |
| Q2 2022 | $11,000 | -75.6% | 13,500 | -34.7% | 0.00% | – |
| Q1 2022 | $45,000 | -40.0% | 20,670 | 0.0% | 0.00% | – |
| Q4 2021 | $75,000 | -36.4% | 20,670 | -0.3% | 0.00% | – |
| Q3 2021 | $118,000 | -13.2% | 20,732 | +20.7% | 0.00% | – |
| Q2 2021 | $136,000 | +54.5% | 17,170 | +41.1% | 0.00% | – |
| Q1 2021 | $88,000 | +57.1% | 12,170 | -16.6% | 0.00% | – |
| Q4 2020 | $56,000 | +14.3% | 14,600 | 0.0% | 0.00% | – |
| Q3 2020 | $49,000 | -12.5% | 14,600 | 0.0% | 0.00% | – |
| Q2 2020 | $56,000 | +80.6% | 14,600 | -6.4% | 0.00% | – |
| Q1 2020 | $31,000 | -68.7% | 15,600 | +40.5% | 0.00% | – |
| Q4 2019 | $99,000 | +17.9% | 11,100 | -15.3% | 0.00% | – |
| Q3 2019 | $84,000 | -18.4% | 13,100 | +8.3% | 0.00% | – |
| Q1 2019 | $103,000 | -55.6% | 12,100 | +24.1% | 0.00% | -100.0% |
| Q3 2018 | $232,000 | +10.5% | 9,750 | -9.3% | 0.00% | 0.0% |
| Q2 2018 | $210,000 | – | 10,750 | – | 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% |