SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 48 filers reported holding SIENTRA INC in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $421,000 | – | 25,095 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 2,390,843 | $21,326,000 | 10.31% |
| Copernicus Capital Management, LLC | 384,809 | $3,440,000 | 4.51% |
| Millrace Asset Group, Inc. | 282,745 | $2,528,000 | 2.75% |
| Broadfin Capital, LLC | 1,286,987 | $11,506,000 | 1.54% |
| X-Square Capital, LLC | 283,012 | $2,530,000 | 1.49% |
| QUANTUM CAPITAL MANAGEMENT | 344,741 | $3,082,000 | 1.49% |
| Monarch Partners Asset Management LLC | 634,488 | $5,672,000 | 1.26% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 4,227,680 | $37,795,000 | 1.21% |
| Granite Point Capital Management, L.P. | 701,000 | $6,267,000 | 0.98% |
| EAM Global Investors LLC | 193,311 | $1,728,000 | 0.69% |