 89bio NASDAQ:ETNB and MediciNova NASDAQ:MNOV are both medical companies, but which is the superior business? We will compare the two businesses based on the strength of their analyst recommendations, institutional ownership, dividends, earnings, profitability, valuation and risk. Insider Institutional Ownership 90.1 of 89bio shares are owned by institutional investors. Comparatively, 21.8 of MediciNova shares ... 