ALTAROCK PARTNERS LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $4.2B in reported equity holdings across 8 positions. The largest holdings are AMZN (32.2%), TDG (27.5%), MSFT (20.5%), MA (9.3%), V (6.8%). The portfolio is concentrated in Other (99.7%), Communication Services (0.3%). Data sourced from SEC EDGAR 13F filings (CIK 1631014).