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 | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $146,088 | -90.2% | 720,000 | -69.0% | 0.03% | -91.1% |
| Q3 2022 | $1,485,000 | -16.3% | 2,320,000 | +9.5% | 0.29% | -12.3% |
| Q2 2022 | $1,775,000 | -64.2% | 2,118,350 | -5.3% | 0.33% | -53.8% |
| Q1 2022 | $4,964,000 | -39.4% | 2,235,850 | +0.2% | 0.72% | -30.2% |
| Q4 2021 | $8,194,000 | +4.8% | 2,232,500 | +63.6% | 1.03% | -1.4% |
| Q3 2021 | $7,821,000 | -3.2% | 1,365,000 | +34.5% | 1.04% | -11.6% |
| Q2 2021 | $8,079,000 | -14.8% | 1,015,000 | -21.9% | 1.18% | -8.8% |
| Q1 2021 | $9,477,000 | +143.6% | 1,300,000 | +30.0% | 1.30% | +98.3% |
| Q4 2020 | $3,890,000 | +27.1% | 1,000,000 | +11.1% | 0.65% | +112.7% |
| Q3 2020 | $3,060,000 | +163.3% | 900,000 | +200.0% | 0.31% | +145.6% |
| Q2 2020 | $1,162,000 | – | 300,000 | – | 0.12% | – |
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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% |