ALTAROCK PARTNERS LP - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 13, 2026, for the 2025 Q4 period, ALTAROCK PARTNERS LP held in its portfolio 8 assets valued at $5,100,067,772 (i.e. $5.10B).

The most valuable assets in the portfolio included: AMAZON.COM INC ($1.69B), TRANSDIGM GROUP INC ($1.29B), and MICROSOFT CORP ($1.01B).

The chart below shows the top 8 valuable assets, and the table below shows the top 8 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in ALTAROCK PARTNERS LP Portfolio

AMAZON.COM INC

TRANSDIGM GROUP INC

MICROSOFT CORP

MOODYS CORP

MASTERCARD INC-CLASS A

VISA INC-CLASS A SHRS

HILTON WORLDWIDE

ALPHABET INC-CL A

ALTAROCK PARTNERS LP - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
AMAZON.COM INC	7314534	1688340738	COMM
TRANSDIGM GROUP INC	969400	1289156590	COMM
MICROSOFT CORP	2082357	1007069492	COMM
MOODYS CORP	814503	416088858	COMM
MASTERCARD INC-CLASS A	541836	309323336	COMM
VISA INC-CLASS A SHRS	516677	181203791	COMM
HILTON WORLDWIDE	542613	155865584	COMM
ALPHABET INC-CL A	169391	53019383	COMM