SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 126 filers reported holding SIENTRA INC in Q1 2021. The put-call ratio across all filers is 0.10 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q4 2022 | $4 | -100.0% | 20,342 | +50.7% | 0.00% | – |
Q3 2022 | $8,000 | -27.3% | 13,500 | 0.0% | 0.00% | – |
Q2 2022 | $11,000 | -75.6% | 13,500 | -34.7% | 0.00% | – |
Q1 2022 | $45,000 | -40.0% | 20,670 | 0.0% | 0.00% | – |
Q4 2021 | $75,000 | -36.4% | 20,670 | -0.3% | 0.00% | – |
Q3 2021 | $118,000 | -13.2% | 20,732 | +20.7% | 0.00% | – |
Q2 2021 | $136,000 | +54.5% | 17,170 | +41.1% | 0.00% | – |
Q1 2021 | $88,000 | +57.1% | 12,170 | -16.6% | 0.00% | – |
Q4 2020 | $56,000 | +14.3% | 14,600 | 0.0% | 0.00% | – |
Q3 2020 | $49,000 | -12.5% | 14,600 | 0.0% | 0.00% | – |
Q2 2020 | $56,000 | +80.6% | 14,600 | -6.4% | 0.00% | – |
Q1 2020 | $31,000 | -68.7% | 15,600 | +40.5% | 0.00% | – |
Q4 2019 | $99,000 | +17.9% | 11,100 | -15.3% | 0.00% | – |
Q3 2019 | $84,000 | -18.4% | 13,100 | +8.3% | 0.00% | – |
Q1 2019 | $103,000 | -55.6% | 12,100 | +24.1% | 0.00% | -100.0% |
Q3 2018 | $232,000 | +10.5% | 9,750 | -9.3% | 0.00% | 0.0% |
Q2 2018 | $210,000 | – | 10,750 | – | 0.00% | – |
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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% |