The current institutional shareholding score of Impinj Inc is 10.00, ranking 1 out of 105 in the Semiconductors & Semiconductor Equipment industry. The latest institutional shareholding proportion is 128.78%, representing a quarter-over-quarter increase of 21.24%. The largest institutional shareholder is Steven Cohen, holding a total of 188.16K shares, representing 0.95% of shares outstanding, with 0.08% increase in holdings.