AltaRock
Portfolio value$4.2B
Positions8
QuarterQ2 2026ended 2026-06-30
Filed08/172026
AltaRock Partners LP's Q2 2026 13F, filed Aug 17, 2026, reports 8 positions worth $4.2B. The ten largest are 100.0% of the book, led by Amazon at 32.2%, TransDigm Group at 27.5% and Microsoft at 20.5%. Against Q1 2026: 0 bought, 3 added to, 5 reduced, 0 sold; the largest moves were reduced Amazon (−24%) and reduced Moody's (−65%).
Where the money is
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Holdings
| Ticker | Issuer | Weight | Value | Q-end → now | Price vs model | Change |
|---|---|---|---|---|---|---|
| AMZN | Amazon.com INC | 32.2% | $1.4B5.7M sh | 238.34 → +5% | 182% overvalued | reduced −24% |
| TDG | Transdigm Group INC | 27.5% | $1.2B875,755 sh | 1,332.04 → −14% | 23% undervalued | reduced −4% |
| MSFT | Microsoft Corp | 20.5% | $870.8M2.3M sh | 373.02 → +42% | 10% overvalued | added +25% |
| MA | Mastercard Inc-class A | 9.3% | $392.7M764,507 sh | 513.60 → +20% | 15% overvalued | added +46% |
| V | Visa Inc-class A Shrs | 6.8% | $287.0M836,470 sh | 343.09 → +17% | 40% overvalued | added +68% |
| MCO | Moodys Corp | 3.2% | $137.1M302,624 sh | 452.92 → +7% | 100% overvalued | reduced −65% |
| GOOGL | Alphabet Inc-cl A | 0.4% | $15.0M41,994 sh | 357.37 → −5% | 51% overvalued | reduced −3% |
| HLT | Hilton Worldwide | 0.1% | $5.0M15,202 sh | 330.46 → +4% | 177% overvalued | reduced −1% |
Source: the manager's Form 13F-HR on SEC EDGAR, kept as immutable quarterly snapshots; changes compare two consecutive filings. A 13F is filed up to 45 days after quarter end and covers US-listed long positions only. Tickers come from a self-maintained CUSIP map; a position without one shows its CUSIP. Method notes in where the numbers come from.