 AxoGen NASDAQ:AXGN and Natus Medical NASDAQ:NTUS are both small-cap medical companies, but which is the superior stock? We will contrast the two companies based on the strength of their earnings, risk, analyst recommendations, dividends, valuation, profitability and institutional ownership. Institutional and Insider Ownership 82.5 of AxoGen shares are owned by institutional investors. Comparatively, 89.2 of ... 