Mark Massey - AltaRock Partners Portfolio Stock Holdings
AltaRock Partners disclosed 8 stock positions valued at approximately $4.1 billion in its latest SEC 13F filing. The largest holdings include AMAZON.COM INC, TRANSDIGM GROUP INC, and MICROSOFT CORP. The filing reflects positions held as of March 31, 2026 and was filed on May 15, 2026.
- Report Period
- March 31, 2026
- No. of Stocks
- 8
- Portfolio Value
- $4.1B
Holdings by Sector
AltaRock Partners Portfolio Holdings in Q1 2026
8 holdings in the latest reporting period.
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| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| AMAZON.COM INC | AMZN | Consumer Cyclical | 38.20% | 7,567,946 | +253,412 | +3.46% | $1,576,176,113 |
| TRANSDIGM GROUP INC | TDG | Industrials | 25.54% | 909,168 | -60,232 | -6.21% | $1,053,689,345 |
| MICROSOFT CORP | MSFT | Technology | 16.75% | 1,867,537 | -214,820 | -10.32% | $691,306,171 |
| MOODYS CORP | MCO | Financial Services | 9.11% | 862,036 | +47,533 | +5.84% | $376,063,205 |
| MASTERCARD INC-CLASS A | MA | Financial Services | 6.33% | 522,836 | -19,000 | -3.51% | $261,240,236 |
| VISA INC-CLASS A SHRS | V | Financial Services | 3.65% | 498,677 | -18,000 | -3.48% | $150,720,137 |
| ALPHABET INC-CL A | GOOGL | Communication Services | 0.30% | 43,391 | -126,000 | -74.38% | $12,477,516 |
| HILTON WORLDWIDE | HLT | Consumer Cyclical | 0.11% | 15,341 | -527,272 | -97.17% | $4,664,891 |