SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 109 filers reported holding SIENTRA INC in Q2 2018. The put-call ratio across all filers is 0.04 and the average weighting 0.6%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $54,951 | -70.3% | 9,590 | -58.8% | 0.00% | -50.0% |
| Q2 2021 | $185,094 | +450.2% | 23,253 | +403.9% | 0.00% | – |
| Q1 2021 | $33,643 | -81.3% | 4,615 | -77.1% | 0.00% | -100.0% |
| Q4 2019 | $179,801 | +38.0% | 20,112 | 0.0% | 0.00% | +100.0% |
| Q3 2019 | $130,326 | -11.6% | 20,112 | +73.4% | 0.00% | -50.0% |
| Q4 2018 | $147,423 | -46.8% | 11,599 | 0.0% | 0.00% | -33.3% |
| Q3 2018 | $276,984 | +22.6% | 11,599 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $226,000 | – | 11,599 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 2,199,012 | $18,692,000 | 15.62% |
| Clarus Ventures, LLC | 2,730,765 | $23,266,000 | 15.32% |
| Cannell Capital | 1,113,571 | $9,488,000 | 3.03% |
| Cloverdale Capital Management, LLC | 351,039 | $2,991,000 | 2.40% |
| PURA VIDA INVESTMENTS, LLC | 500,000 | $4,260,000 | 1.56% |
| Park West Asset Management LLC | 1,618,676 | $13,791,000 | 1.07% |
| Atika Capital Management LLC | 210,000 | $1,789,000 | 1.06% |
| 22NW, LP | 132,400 | $1,128,000 | 0.68% |
| Schonfeld Strategic Advisors LLC | 335,000 | $2,854,000 | 0.37% |
| FIRST NEW YORK SECURITIES LLC /NY | 22,143 | $188,658,000 | 0.35% |