Institutional
ALTAROCK PARTNERS LP
CIK 0001631014
$4.13B
Reported AUM
8
Positions
Q1 2026
Period
2026-05-15
Filed
Portfolio · Q1 2026
Top holdings
QoQ vs Q4 2025
| # | Stock | Issuer | Price | Day % | 1Y Gr. | 5Y Gr. | Value | % of book | Δ shares (QoQ) | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | AMZN | AMAZON.COM INC | $238.55 | -1.23% | 12.47% | 43.38% | $1.58B | 38.20% | +253,412 | +3.5% |
| 2 | TDG | TRANSDIGM GROUP INC | $1256.05 | -0.12% | -6.26% | 136.98% | $1.05B | 25.54% | −60,232 | −6.2% |
| 3 | MSFT | MICROSOFT CORP | $390.74 | 0.10% | -17.07% | 42.90% | $691.3M | 16.75% | −214,820 | −10.3% |
| 4 | MCO | MOODYS CORP | $447.85 | 1.36% | -4.30% | 24.24% | $376.1M | 9.11% | +47,533 | +5.8% |
| 5 | MA | MASTERCARD INC-CLASS A | $489.98 | 0.71% | -12.30% | 30.70% | $261.2M | 6.33% | −19,000 | −3.5% |
| 6 | V | VISA INC-CLASS A SHRS | $322.39 | 1.05% | -8.86% | 34.42% | $150.7M | 3.65% | −18,000 | −3.5% |
| 7 | GOOGL | ALPHABET INC-CL A | $359.68 | 0.53% | 106.76% | 169.34% | $12.5M | 0.30% | −126,000 | −74.4% |
| 8 | HLT | HILTON WORLDWIDE | $345.95 | 1.20% | 42.14% | 166.73% | $4.7M | 0.11% | −527,272 | −97.2% |
Source: SEC EDGAR · accession 0001104659-26-062170. 13F discloses long positions only — shorts, foreign equities, and options are excluded.