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 | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $22,000 | -62.7% | 26,798 | 0.0% | 0.00% | – |
| Q1 2022 | $59,000 | -41.0% | 26,798 | -1.7% | 0.00% | – |
| Q4 2021 | $100,000 | -50.7% | 27,261 | -23.2% | 0.00% | – |
| Q3 2021 | $203,000 | -34.5% | 35,483 | -8.9% | 0.00% | -100.0% |
| Q2 2021 | $310,000 | +32.5% | 38,945 | +21.1% | 0.00% | 0.0% |
| Q1 2021 | $234,000 | +165.9% | 32,158 | +42.6% | 0.00% | – |
| Q4 2020 | $88,000 | +51.7% | 22,550 | +31.2% | 0.00% | – |
| Q3 2020 | $58,000 | -13.4% | 17,188 | 0.0% | 0.00% | – |
| Q2 2020 | $67,000 | +91.4% | 17,188 | -1.6% | 0.00% | – |
| Q1 2020 | $35,000 | -94.5% | 17,464 | -75.4% | 0.00% | -100.0% |
| Q4 2019 | $636,000 | +417.1% | 71,107 | +275.1% | 0.00% | – |
| Q3 2019 | $123,000 | +23.0% | 18,959 | +17.1% | 0.00% | – |
| Q2 2019 | $100,000 | +203.0% | 16,187 | +549.6% | 0.00% | – |
| Q4 2018 | $33,000 | -31.2% | 2,492 | +25.5% | 0.00% | – |
| Q3 2018 | $48,000 | -95.5% | 1,985 | -96.4% | 0.00% | -100.0% |
| Q2 2018 | $1,076,000 | +3486.7% | 55,103 | +1701.3% | 0.00% | – |
| Q1 2018 | $30,000 | -9.1% | 3,059 | +30.1% | 0.00% | – |
| Q4 2017 | $33,000 | – | 2,352 | – | 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% |