The current institutional shareholding score of FormFactor Inc is 10.00, ranking 1 out of 105 in the Semiconductors & Semiconductor Equipment industry. The latest institutional shareholding proportion is 98.77%, representing a quarter-over-quarter decrease of 11.49%. The largest institutional shareholder is ETHSX, holding a total of 354.66K shares, representing 0.62% of shares outstanding, with 123900.00% increase in holdings.