 Avrobio NASDAQ:AVRO and Cellectis NASDAQ:CLLS are both small-cap medical companies, but which is the superior business? We will compare the two companies based on the strength of their dividends, analyst recommendations, institutional ownership, risk, profitability, earnings and valuation. Insider and Institutional Ownership 82.3 of Avrobio shares are owned by institutional investors. Comparatively, 34.0 of Cellectis ... 