Bone Biologics (OTC:BBLG – Get Rating) and Sientra (NASDAQ:SIEN – Get Rating) are both small-cap medical companies, but which is the better business? We will contrast the two businesses based on the strength of their profitability, valuation, risk, earnings, dividends, analyst recommendations and institutional ownership.
Profitability
This table compares Bone Biologics and Sientra's net margins, return on equity and return on assets.
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| Net Margins | Return on Equity | Return on Assets |
| Bone Biologics | N/A | 7,587.33% | 7,258.20% |
| Sientra | -76.47% | -381.27% | -36.56% |
Insider & Institutional Ownership
0.5% of Bone Biologics shares are owned by institutional investors. Comparatively, 68.4% of Sientra shares are owned by institutional investors. 1.3% of Sientra shares are owned by insiders. Strong institutional ownership is an indication that endowments, large money managers and hedge funds believe a stock is poised for long-term growth.
Earnings & Valuation
This table compares Bone Biologics and Sientra's revenue, earnings per share and valuation.
| Gross Revenue | Price/Sales Ratio | Net Income | Earnings Per Share | Price/Earnings Ratio |
| Bone Biologics | N/A | N/A | -$1.61 million | N/A | N/A |
| Sientra | $80.68 million | 0.31 | -$62.48 million | ($1.09) | -0.23 |
Bone Biologics has higher earnings, but lower revenue than Sientra.
Analyst Recommendations
This is a summary of current ratings and target prices for Bone Biologics and Sientra, as reported by MarketBeat.
| Sell Ratings | Hold Ratings | Buy Ratings | Strong Buy Ratings | Rating Score |
| Bone Biologics | 0 | 0 | 1 | 0 | 3.00 |
| Sientra | 0 | 1 | 6 | 0 | 2.86 |
Bone Biologics currently has a consensus target price of $2.25, indicating a potential upside of 837.50%. Sientra has a consensus target price of $5.19, indicating a potential upside of 2,010.59%. Given Sientra's higher probable upside, analysts clearly believe Sientra is more favorable than Bone Biologics.
Risk and Volatility
Bone Biologics has a beta of 0.11, suggesting that its stock price is 89% less volatile than the S&P 500. Comparatively, Sientra has a beta of 1.51, suggesting that its stock price is 51% more volatile than the S&P 500.
Summary
Sientra beats Bone Biologics on 6 of the 11 factors compared between the two stocks.
About Bone Biologics
(Get Rating)
Bone Biologics Corporation, a medical device company, focuses on bone regeneration in spinal fusion using the recombinant human protein. The company's NELL-1/DBX is a combination product, which is an osteostimulative recombinant protein that provides target specific control over bone regeneration. It is developing NELL-1/DBX Fusion Device for spinal fusion procedures in skeletally mature patients with degenerative disc disease at one level from L4-S1. The company's platform technology has application in delivering enhanced outcomes in the surgical specialties of spinal, orthopedic, general orthopedic, plastic reconstruction, neurosurgery, interventional radiology, and sports medicine. It has a license agreement with the UCLA Technology Development Group to develop and commercialize NELL-1 for spinal fusion applications. The company was founded in 2004 and is headquartered in Burlington, Massachusetts.
About Sientra
(Get Rating)
Sientra, Inc., a medical aesthetics company, develops and sells medical aesthetics products in the United States and internationally. It offers silicone gel breast implants for use in breast augmentation and breast reconstruction procedures; breast tissue expanders; and scar management products under the Sientra Round, Sientra Teardrop, AlloX2, Dermaspan, Softspan, and BIOCORNEUM brand names. The company also provides body contouring products; facial and nasal implants; saline filled sizers. It serves to hospitals, surgery centers, plastic surgeons, dermatologists and other specialties. The company was formerly known as Juliet Medical, Inc. and changed its name to Sientra, Inc. in April 2007. Sientra, Inc. was incorporated in 2003 and is headquartered in Santa Barbara, California.
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