Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

ALTAROCK PARTNERS LP 13F Holdings -- Portfolio & Top Positions (2026-03-31)

ALTAROCK PARTNERS LP (CIK 1631014) reported $4.13B across 8 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: AMZN ($1.58B, 38.20%), TDG ($1.05B, 25.54%), MSFT ($691.3M, 16.75%), MCO ($376.1M, 9.11%), MA ($261.2M, 6.33%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1AMZNAMAZON.COM INC$1.58B38.20%7.6MAdded
2TDGTRANSDIGM GROUP INC$1.05B25.54%909,168Trimmed
3MSFTMICROSOFT CORP$691.3M16.75%1.9MTrimmed
4MCOMOODYS CORP$376.1M9.11%862,036Added
5MAMASTERCARD INC-CLASS A$261.2M6.33%522,836Trimmed
6VVISA INC-CLASS A SHRS$150.7M3.65%498,677Trimmed
7GOOGLALPHABET INC-CL A$12.5M0.30%43,391Trimmed
8HLTHILTON WORLDWIDE$4.7M0.11%15,341Trimmed

Source: SEC Form 13F filings · as of 2026-03-31