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Focused investors/AltaRock Partners

AltaRock Partners

As of Q1 2026, AltaRock Partners reported 8 long-equity positions worth $4.13B in aggregate.

Copy-investor backtest

Latest quarter
+8.76%
1-year
+3.45%
3-year
+63.80%
3-year top 5
+58.37%

Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. Method & limitations.

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Updated 2026-06-06 from SEC 13F data.

Live quotes available for 8 of 8 rows. Rows without a quote are marked unavailable.

1TDGTRANSDIGM GROUP INC27.90%Reduce -6.2%1,409,724$887.63M$629.6552w: $499.63 - $684.72; reported $629.65
2MSFTMICROSOFT CORP19.30%Reduce -9.2%2,560,129$613.97M$239.8252w: $213.43 - $338.00; reported $239.82
3GOOGLALPHABET INC CAP STK CL A17.83%Reduce -8.2%6,430,417$567.36M$88.2352w: $83.34 - $151.55; reported $88.23
4AMZNAMAZON COM INC14.90%Add +71.3%5,644,370$474.13M$84.0052w: $81.69 - $171.40; reported $84.00
5VVISA INC COM CL A10.93%Reduce -3.5%1,674,124$347.82M$207.7652w: $174.60 - $235.85; reported $207.76
6CHTRCHARTER COMMUNICATIONS INC NEW CL A3.56%Reduce -3.2%334,465$113.42M$339.1052w: $297.66 - $653.09; reported $339.10
7MAMASTERCARD INCORPORATED CL A3.29%Reduce -8.3%301,010$104.67M$347.7352w: $276.87 - $399.92; reported $347.73
8MCOMOODYS CORP2.29%Add +3.5%261,534$72.87M$278.6252w: $230.16 - $392.53; reported $278.62