The current institutional shareholding score of Delta Air Lines Inc is 7.00, ranking 10 out of 21 in the Passenger Transportation Services industry. The latest institutional shareholding proportion is 86.07%, representing a quarter-over-quarter increase of 0.11%. The largest institutional shareholder is Warren Buffett, holding a total of 32.27M shares, representing 6.09% of shares outstanding, with 0.51% increase in holdings.