13F filing recap · Q1 2025

What did AltaRock Partners buy in Q1 2025?

Reported stock-position changes between this filing and the previous one.

Stock value

$4.97B

Positions

Estimated turnover

7.2%

Turnover is a proxy: verified trade-origin share changes valued at period-end and divided by average reported stock value. SEC holdings reports do not disclose execution dates or prices. Corporate actions and unreconciled activity are excluded.

Quarter in review

AltaRock Partners exited Charter Communications entirely and slightly trimmed Transdigm, Amazon, Alphabet, and Visa. It substantially added to Microsoft and dramatically increased its Hilton Worldwide Holdings stake.

Increased positions

MSFTMicrosoft Corporation$968.00Mreported value+687.0K shares+36.3%HLTHilton Worldwide Holdings Inc.$62.34Mreported value+182.6K shares+200.0%

Reduced positions

TDGTransdigm Group Incorporated$1.36Breported value-20.7K shares-2.1%AMZNAmazon.com Inc$989.81Mreported value-75.9K shares-1.4%GOOGLAlphabet Inc.$534.18Mreported value-26.4K shares-0.8%VVisa Inc.$298.04Mreported value-24.5K shares

Exited positions

CHTRCharter Communications, Inc.$2.07Mprior reported value-6.0K shares-100.0%