Photronics ( NASDAQ:PLAB ) and Taiwan Semiconductor Manufacturing ( NYSE:TSM ) are both computer and technology companies, but which is the better business? We will compare the two businesses based on the strength of their analyst recommendations, profitability, valuation, institutional ownership, earnings, risk and dividends. Insider & Institutional Ownership 88.8% of Photronics shares are held by institutional investors. Comparatively, 16.6% of Taiwan Semiconductor Manufacturing shares are held by institutional investors. 3.7% of Photronics shares are held by insiders. Comparatively, 1.1% of Taiwan Semiconductor Manufacturing shares are held by insiders. Strong institutional ownership is an indication that endowments, hedge funds and...