SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 98 filers reported holding SIENTRA INC in Q1 2019. The put-call ratio across all filers is 0.87 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $440,000 | -27.4% | 51,256 | +7.5% | 0.00% | 0.0% |
| Q4 2018 | $606,000 | -73.4% | 47,673 | -50.0% | 0.00% | 0.0% |
| Q3 2018 | $2,276,000 | +215.7% | 95,346 | +158.1% | 0.00% | 0.0% |
| Q2 2018 | $721,000 | +194.3% | 36,941 | +45.6% | 0.00% | – |
| Q1 2018 | $245,000 | -48.0% | 25,376 | -24.2% | 0.00% | -100.0% |
| Q4 2017 | $471,000 | -8.7% | 33,481 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $516,000 | +108.9% | 33,481 | +31.9% | 0.00% | – |
| Q2 2017 | $247,000 | +139.8% | 25,376 | +149.7% | 0.00% | – |
| Q3 2015 | $103,000 | -59.8% | 10,162 | 0.0% | 0.00% | – |
| Q2 2015 | $256,000 | +88.2% | 10,162 | +43.3% | 0.00% | – |
| Q1 2015 | $136,000 | +130.5% | 7,093 | +102.0% | 0.00% | – |
| Q4 2014 | $59,000 | – | 3,512 | – | 0.00% | – |
Download | ||||||
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% |