The current institutional shareholding score of Power Solutions International Inc is 3.00, ranking 41 out of 70 in the Automobiles & Auto Parts industry. The latest institutional shareholding proportion is 33.77%, representing a quarter-over-quarter increase of 23.74%. The largest institutional shareholder is John Hussman, holding a total of 89.64K shares, representing 0.27% of shares outstanding, with 1.21% decrease in holdings.