The current institutional shareholding score of Halliburton Co is 7.00, ranking 29 out of 88 in the Oil & Gas Related Equipment and Services industry. The latest institutional shareholding proportion is 85.12%, representing a quarter-over-quarter decrease of 6.16%. The largest institutional shareholder is Barrow Hanley, holding a total of 10.69M shares, representing 1.30% of shares outstanding, with 0.03% increase in holdings.