The current institutional shareholding score of NAPCO Security Technologies Inc is 10.00, ranking 1 out of 54 in the Communications & Networking industry. The latest institutional shareholding proportion is 104.53%, representing a quarter-over-quarter increase of 14.02%. The largest institutional shareholder is Steven Cohen, holding a total of 525.44K shares, representing 1.35% of shares outstanding, with 0.01% increase in holdings.