The current institutional shareholding score of Aehr Test Systems is 5.00, ranking 64 out of 105 in the Semiconductors & Semiconductor Equipment industry. The latest institutional shareholding proportion is 69.03%, representing a quarter-over-quarter decrease of 28.63%. The largest institutional shareholder is Bill Nygren | OAKMX, holding a total of 28.32K shares, representing 0.26% of shares outstanding, with 420.00% increase in holdings.