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 | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $466 | -99.9% | 2,297,726 | +182.3% | 0.06% | -15.9% |
| Q3 2022 | $521,000 | +126.5% | 813,884 | +195.8% | 0.07% | +97.1% |
| Q2 2022 | $230,000 | -77.7% | 275,113 | -40.7% | 0.04% | -74.6% |
| Q1 2022 | $1,030,000 | -4.6% | 464,180 | +57.7% | 0.14% | +1.5% |
| Q4 2021 | $1,080,000 | +102.6% | 294,381 | +339.5% | 0.14% | +126.7% |
| Q2 2021 | $533,000 | +2217.4% | 66,985 | +470.8% | 0.06% | +900.0% |
| Q1 2020 | $23,000 | – | 11,735 | – | 0.01% | – |
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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% |