SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 114 filers reported holding SIENTRA INC in Q4 2021. The put-call ratio across all filers is 0.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $108,000 | +129.8% | 128,354 | +499.9% | 0.00% | – |
| Q1 2022 | $47,000 | -40.5% | 21,396 | 0.0% | 0.00% | – |
| Q4 2021 | $79,000 | -36.8% | 21,396 | -1.6% | 0.00% | – |
| Q3 2021 | $125,000 | -27.7% | 21,746 | 0.0% | 0.00% | – |
| Q2 2021 | $173,000 | +8.8% | 21,746 | 0.0% | 0.00% | – |
| Q1 2021 | $159,000 | +106.5% | 21,746 | +10.2% | 0.00% | – |
| Q4 2020 | $77,000 | +42.6% | 19,725 | +25.0% | 0.00% | – |
| Q3 2020 | $54,000 | -11.5% | 15,786 | 0.0% | 0.00% | – |
| Q2 2020 | $61,000 | +64.9% | 15,786 | -15.0% | 0.00% | – |
| Q1 2020 | $37,000 | -77.7% | 18,576 | 0.0% | 0.00% | – |
| Q4 2019 | $166,000 | +95.3% | 18,576 | +41.8% | 0.00% | – |
| Q3 2019 | $85,000 | -59.9% | 13,096 | +47.7% | 0.00% | – |
| Q3 2018 | $212,000 | – | 8,864 | – | 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% |