The current institutional shareholding score of MSA Safety Inc is 10.00, ranking 1 out of 161 in the Professional & Commercial Services industry. The latest institutional shareholding proportion is 103.62%, representing a quarter-over-quarter increase of 8.48%. The largest institutional shareholder is Ruane Cunniff, holding a total of 1.69M shares, representing 4.59% of shares outstanding, with 0.25% decrease in holdings.