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