SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 112 filers reported holding SIENTRA INC in Q1 2022. The put-call ratio across all filers is 1.22 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $676,000 | -52.5% | 807,011 | +26.0% | 0.00% | 0.0% |
| Q1 2022 | $1,422,000 | -6.1% | 640,344 | +55.2% | 0.00% | 0.0% |
| Q4 2021 | $1,515,000 | -43.1% | 412,702 | -11.2% | 0.00% | -50.0% |
| Q3 2021 | $2,663,000 | -19.2% | 464,660 | +12.2% | 0.00% | -33.3% |
| Q2 2021 | $3,296,000 | +998.7% | 414,111 | +905.3% | 0.00% | – |
| Q1 2021 | $300,000 | -26.7% | 41,193 | -80.0% | 0.00% | -100.0% |
| Q1 2020 | $409,000 | -92.4% | 205,525 | -66.0% | 0.00% | -83.3% |
| Q4 2019 | $5,409,000 | +87.6% | 605,036 | +36.0% | 0.01% | +50.0% |
| Q3 2019 | $2,883,000 | +144.7% | 444,836 | +132.7% | 0.00% | +300.0% |
| Q2 2019 | $1,178,000 | +12.2% | 191,152 | +56.1% | 0.00% | 0.0% |
| Q1 2019 | $1,050,000 | +83.6% | 122,432 | +172.1% | 0.00% | 0.0% |
| Q4 2018 | $572,000 | -68.5% | 45,000 | -40.8% | 0.00% | -50.0% |
| Q3 2018 | $1,815,000 | +265.9% | 76,000 | +198.8% | 0.00% | +100.0% |
| Q2 2018 | $496,000 | +323.9% | 25,438 | +95.2% | 0.00% | – |
| Q3 2016 | $117,000 | – | 13,029 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 2,390,843 | $9,229,000 | 2.58% |
| X-Square Capital, LLC | 296,012 | $1,146,000 | 0.81% |
| QUANTUM CAPITAL MANAGEMENT | 344,741 | $1,334,000 | 0.78% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 4,162,804 | $16,110,000 | 0.47% |
| Granite Point Capital Management, L.P. | 2,367,088 | $9,161,000 | 0.47% |
| G2 Investment Partners Management LLC | 337,233 | $1,305,000 | 0.31% |
| Granite Point Capital Management, L.P. | 750,000 | $2,903,000 | 0.15% |
| A.R.T. Advisors, LLC | 23,691 | $92,000 | 0.14% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 300,000 | $1,162,000 | 0.12% |
| ALGERT GLOBAL LLC | 59,000 | $228,000 | 0.08% |