Mark Massey profile

Altarock Partners Llc (Mark Massey)

Created with Highcharts 11.4.8Quarters Owned% of PortfolioShares in thousandsTransdigm Group Inc (TDG)Ownership History25.2%25.3%31.1%31.4%32.3%29.7%21.0%20.2%21.6%17.5%21.7%24.2%20.9%18.8%19.1%18.3%26.0%27.7%25.3%26.4%20.3%20.5%27.0%27.5%26.6%21.3%22.5%22.3%22.7%23.6%24.2%25.8%27.9%27.9%29.2%27.7%27.9%15.3%28.2%29.5%25.7%27.3%27.2%% of PortfolioShares OwnedQ4 '14Q1 '15Q2 '15Q3 '15Q4 '15Q1 '16Q2 '16Q3 '16Q4 '16Q1 '17Q2 '17Q3 '17Q4 '17Q1 '18Q2 '18Q3 '18Q4 '18Q1 '19Q2 '19Q3 '19Q4 '19Q1 '20Q2 '20Q3 '20Q4 '20Q1 '21Q2 '21Q3 '21Q4 '21Q1 '22Q2 '22Q3 '22Q4 '22Q1 '23Q2 '23Q3 '23Q4 '23Q1 '24Q2 '24Q3 '24Q4 '24Q1 '25Q2 '2510%20%30%40%—600K1M2MPowered by