SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 126 filers reported holding SIENTRA INC in Q2 2021. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $17,000 | -41.4% | 20,322 | +56.3% | 0.00% | – |
| Q1 2022 | $29,000 | -25.6% | 13,000 | +22.1% | 0.00% | – |
| Q4 2021 | $39,000 | -82.4% | 10,643 | -61.8% | 0.00% | – |
| Q2 2021 | $222,000 | +404.5% | 27,882 | +143.3% | 0.00% | – |
| Q2 2020 | $44,000 | -68.8% | 11,458 | -83.9% | 0.00% | – |
| Q1 2020 | $141,000 | +48.4% | 71,008 | +539.4% | 0.00% | – |
| Q1 2019 | $95,000 | -52.7% | 11,105 | -29.8% | 0.00% | – |
| Q4 2018 | $201,000 | -56.5% | 15,823 | -18.2% | 0.00% | – |
| Q3 2018 | $462,000 | +73.0% | 19,345 | +41.5% | 0.00% | – |
| Q2 2018 | $267,000 | +130.2% | 13,670 | +14.1% | 0.00% | – |
| Q1 2018 | $116,000 | -31.0% | 11,982 | 0.0% | 0.00% | – |
| Q4 2017 | $168,000 | – | 11,982 | – | 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% |