The current institutional shareholding score of Helix Energy Solutions Group Inc is 10.00, ranking 1 out of 100 in the Oil & Gas Related Equipment and Services industry. The latest institutional shareholding proportion is 98.57%, representing a quarter-over-quarter increase of 12.62%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 0.66% of shares outstanding, with 0.58% increase in holdings.