AltaRock Partners
As of Q2 2026, AltaRock Partners reported 8 long-equity positions worth $4.24B in aggregate.
Copy-investor backtest
- Latest quarter
- +5.60%
- 1-year
- +0.27%
- 3-year
- +56.65%
- 5-year
- +48.54%
- 3-year vs S&P 500
- -15.78%
- 5-year vs S&P 500
- -24.74%
- 5-year top 5
- +43.44%
Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. The vs S&P 500 figures subtract SPY over that manager's own rebalance dates, so both sides cover the same days; both are price return, excluding dividends. Method & limitations.
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All activity
This tab shows every position the manager opened, added to, reduced, or exited compared with the prior quarter, so you can see exactly what changed. The quarter shown is Q2 2026.
| Ticker | Security | Activity | % portfolio | Shares | Value | Reported price | Q range |
|---|---|---|---|---|---|---|---|
| AMZN | AMAZON.COM INC | Reduce -24.3% | 32.21% | 5,729,972 | $1.37B | $238.34 | $204.90 - $278.56(45%)$210.57 -> $238.72 |
| MCO | MOODYS CORP | Reduce -64.9% | 3.23% | 302,624 | $137.06M | $452.92 | $424.40 - $482.54(49%)$438.78 -> $452.92 |
| MSFT | MICROSOFT CORP | Add +25.0% | 20.54% | 2,334,482 | $870.81M | $373.02 | $349.20 - $466.32(20%)$369.37 -> $373.02 |
| MA | MASTERCARD INC-CLASS A | Add +46.2% | 9.26% | 764,507 | $392.65M | $513.60 | $464.52 - $534.21(70%)$491.65 -> $513.60 |
| V | VISA INC-CLASS A SHRS | Add +67.7% | 6.77% | 836,470 | $286.98M | $343.09 | $293.89 - $345.80(95%)$298.51 -> $343.09 |
| TDG | TRANSDIGM GROUP INC | Reduce -3.7% | 27.51% | 875,755 | $1.17B | $1332.04 | $1123.61 - $1361.77(88%)$1173.27 -> $1332.04 |
| GOOGL | ALPHABET INC-CL A | Reduce -3.2% | 0.35% | 41,994 | $15.01M | $357.37 | $289.45 - $408.61(57%)$297.39 -> $357.37 |
| HLT | HILTON WORLDWIDE | Reduce -0.9% | 0.12% | 15,202 | $5.02M | $330.46 | $299.06 - $358.00(53%)$308.26 -> $330.47 |