SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 112 filers reported holding SIENTRA INC in Q4 2019. The put-call ratio across all filers is 0.98 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $178,000 | -58.5% | 212,300 | +9.9% | 0.00% | 0.0% |
| Q1 2022 | $429,000 | -75.9% | 193,100 | -60.2% | 0.00% | -75.0% |
| Q4 2021 | $1,781,000 | -65.8% | 485,300 | -46.7% | 0.00% | -71.4% |
| Q3 2021 | $5,214,000 | -4.7% | 909,900 | +32.4% | 0.01% | 0.0% |
| Q2 2021 | $5,470,000 | +82.3% | 687,200 | +66.9% | 0.01% | +75.0% |
| Q1 2021 | $3,001,000 | +3651.2% | 411,700 | +1898.5% | 0.01% | – |
| Q4 2020 | $80,000 | -18.4% | 20,600 | -18.6% | 0.00% | – |
| Q2 2020 | $98,000 | -42.7% | 25,300 | -70.5% | 0.00% | -100.0% |
| Q1 2020 | $171,000 | -82.0% | 85,900 | -19.0% | 0.00% | -50.0% |
| Q4 2019 | $948,000 | -5.1% | 106,000 | -31.2% | 0.00% | 0.0% |
| Q3 2019 | $999,000 | -25.6% | 154,100 | -29.3% | 0.00% | -33.3% |
| Q2 2019 | $1,343,000 | -5.3% | 218,100 | +31.9% | 0.00% | -25.0% |
| Q1 2019 | $1,418,000 | +69.0% | 165,300 | +284.4% | 0.00% | +100.0% |
| Q2 2018 | $839,000 | +114.6% | 43,000 | +54.7% | 0.00% | +100.0% |
| Q4 2017 | $391,000 | +85.3% | 27,800 | -22.1% | 0.00% | 0.0% |
| Q4 2015 | $211,000 | +37.9% | 35,695 | +136.4% | 0.00% | 0.0% |
| Q3 2015 | $153,000 | – | 15,100 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 2,390,843 | $20,466,000 | 18.32% |
| X-Square Capital, LLC | 258,664 | $2,219,000 | 1.52% |
| QUANTUM CAPITAL MANAGEMENT | 224,959 | $1,930,000 | 1.04% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 2,730,632 | $23,429,000 | 0.90% |
| Granite Point Capital Management, L.P. | 880,000 | $7,550,000 | 0.73% |
| PURA VIDA INVESTMENTS, LLC | 281,200 | $2,413,000 | 0.34% |
| Endurant Capital Management LP | 88,373 | $758,000 | 0.30% |
| Granahan Investment Management | 566,909 | $4,864,000 | 0.26% |
| PURA VIDA INVESTMENTS, LLC | 200,000 | $1,716,000 | 0.24% |
| PURA VIDA INVESTMENTS, LLC | 190,429 | $1,634,000 | 0.23% |