The current institutional shareholding score of Tsakos Energy Navigation Ltd is 3.00, ranking 66 out of 100 in the Oil & Gas Related Equipment and Services industry. The latest institutional shareholding proportion is 27.81%, representing a quarter-over-quarter decrease of 7.09%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 1.55% of shares outstanding, with 0.16% increase in holdings.