13F filing recap · Q4 2025
What did AltaRock Partners buy in Q4 2025?
Reported stock-position changes between this filing and the previous one.
Stock value
$5.10B
Positions
8
Estimated turnover
8.6%
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 Fair Isaac Corp and trimmed several other positions. It reduced Microsoft and Moody’s moderately, and cut Alphabet substantially. Amazon, Transdigm, Mastercard, and Visa saw slight decreases.
Reduced positions
AMZNAmazon.com Inc$1.69Breported value-243.7K shares-3.2%TDGTransdigm Group Incorporated$1.29Breported value-7.0K shares-0.7%MSFTMicrosoft Corporation$1.01Breported value-486.9K shares-19.0%MCOMoody’s Corporation$416.09Mreported value-134.2K shares-14.1%MAMastercard Inc$309.32Mreported value-42.3K shares-7.2%VVisa Inc.$181.20Mreported value-16.8K shares-3.2%GOOGLAlphabet Inc.$53.02Mreported value-175.0K shares-50.8%