What did AltaRock Partners buy in Q2 2026?

AltaRock Partners opened 0 new positions and added to 3 existing holdings in the Q2 2026 13F.

What did AltaRock Partners sell in Q2 2026?

AltaRock Partners exited 0 positions and trimmed 2.

What AltaRock Partners bought and sold in Q2 2026

In Q2 2026, AltaRock Partners (AltaRock Partners) added to 3, trimmed 2. The book stood at $4.24B across 8 positions, filed Aug 17, 2026.

0New3Added2Trimmed0Exited

Share𝕏 in

Decision recordAltaRock Partners increased MSFT by 25%. Was it still actionable?High-conviction increase. Low timing precision. See the lag, evidence, disagreement, and original source →

Added to (3)

MSFTMicrosoft Corp+25% shares · 20.5% · $871M
MAMastercard Inc - A+46% shares · 9.3% · $393M
VVisa Inc-class A Shares+68% shares · 6.8% · $287M

Trimmed (2)

AMZNAmazon.com Inc-24% shares · 32.2% · $1.37B
MCOMoody's Corp-65% shares · 3.2% · $137M

AltaRock Partners's other filings

Q1 2026 changes Q4 2025 changes Q3 2025 changes Q2 2025 changes Q1 2025 changes

AltaRock Partners's full portfolio →The whole cohort in Q2 2026 →

Changes vs the prior quarter's 13F, long US equity positions only (no shorts, options, or non-US listings). ADD/TRIM are share- count changes of ±20% or more. Sourced from SEC EDGAR. Not investment advice.