The current institutional shareholding score of Avidia Bancorp Inc is 3.00, ranking 253 out of 399 in the Banking Services industry. The latest institutional shareholding proportion is 0.43%, representing a quarter-over-quarter decrease of 98.72%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 0.23% of shares outstanding, with 6.63% increase in holdings.