The current institutional shareholding score of Pinnacle West Capital Corp is 10.00, ranking 1 out of 66 in the Electric Utilities & IPPs industry. The latest institutional shareholding proportion is 104.23%, representing a quarter-over-quarter increase of 5.10%. The largest institutional shareholder is Barrow Hanley, holding a total of 6.80M shares, representing 5.78% of shares outstanding, with 0.06% increase in holdings.