The current institutional shareholding score of TransDigm Group Inc is 10.00, ranking 1 out of 73 in the Aerospace & Defense industry. The latest institutional shareholding proportion is 98.00%, representing a quarter-over-quarter decrease of 0.19%. The largest institutional shareholder is ETHSX, holding a total of 418.26K shares, representing 0.80% of shares outstanding, with 2239.18% increase in holdings.