Latest ALTAROCK PARTNERS LLC Stock Portfolio
ALTAROCK PARTNERS LLC Performance:
2025 Q3: -2.24%YTD: 6.4%2024: 24.29%
Performance for 2025 Q3 is -2.24%, and YTD is 6.4%, and 2024 is 24.29%.
About ALTAROCK PARTNERS LLC and 13F Hedge Fund Stock Holdings
ALTAROCK PARTNERS LP is a hedge fund based in BEVERLY, MA. On 30-Mar-2023, the fund reported that it had an AUM (Regulated Assets under Management) of $3.3 Billions. In it's latest 13F Holdings report, ALTAROCK PARTNERS LP reported an equity portfolio of $5.5 Billions as of 30 Sep, 2025.
The top stock holdings of ALTAROCK PARTNERS LP are AMZN, MSFT, TDG. The fund has invested 30.3% of it's portfolio in AMAZON.COM INC and 24.3% of portfolio in MICROSOFT CORP.
They significantly reduced their stock positions in ALPHABET INC-CL A (GOOG), FAIR ISAAC INC (FICO) and MOODYS CORP (MCO). The fund showed a lot of confidence in some stocks as they added substantially to AMAZON.COM INC (AMZN).
The top stock holdings of ALTAROCK PARTNERS LP are AMZN, MSFT, TDG. The fund has invested 30.3% of it's portfolio in AMAZON.COM INC and 24.3% of portfolio in MICROSOFT CORP.
They significantly reduced their stock positions in ALPHABET INC-CL A (GOOG), FAIR ISAAC INC (FICO) and MOODYS CORP (MCO). The fund showed a lot of confidence in some stocks as they added substantially to AMAZON.COM INC (AMZN).
ALTAROCK PARTNERS LLC Annual Return Estimates Vs S&P 500
Our best estimate is that ALTAROCK PARTNERS LP made a return of -2.24% in the last quarter. In trailing 12 months, it's portfolio return was 9.23%.
New Buys
Additions
| Ticker | % Inc. |
|---|---|
| amazon.com inc | 20.43 |
Additions to existing portfolio by ALTAROCK PARTNERS LLC
Reductions
| Ticker | % Reduced |
|---|---|
| alphabet inc-cl a | -67.06 |
| fair isaac inc | -0.45 |
| mastercard inc-class a | -0.37 |
| moodys corp | -0.37 |
| hilton worldwide | -0.36 |
| microsoft corp | -0.36 |
| transdigm group inc | -0.36 |
| visa inc-class a shrs | -0.35 |
ALTAROCK PARTNERS LLC reduced stake in above stock
Sold off
Sector Distribution
ALTAROCK PARTNERS LP has about 32.9% of it's holdings in Consumer Cyclical sector.
| Sector | % |
|---|---|
| Consumer Cyclical | 32.9 |
| Technology | 24.4 |
| Industrials | 23.5 |
| Financial Services | 17.7 |
| Communication Services | 1.5 |
Market Cap. Distribution
ALTAROCK PARTNERS LP has about 100% of it's portfolio invested in the large-cap and mega-cap stocks.
| Category | % |
|---|---|
| MEGA-CAP | 65.6 |
| LARGE-CAP | 34.4 |
Stocks belong to which Index?
About 100% of the stocks held by ALTAROCK PARTNERS LP either belong to S&P 500 or RUSSELL 2000 index.
| Index | % |
|---|---|
| S&P 500 | 100 |
ALTAROCK PARTNERS LLC Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of ALTAROCK PARTNERS LLC
ALTAROCK PARTNERS LP has 9 stocks in it's portfolio. TDG proved to be the most loss making stock for the portfolio. MSFT was the most profitable stock for ALTAROCK PARTNERS LP last quarter.
Last Reported on: 14 Nov, 2025| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| AMZN | amazon.com inc | 30.34 | 7,558,250 | 1,659,570,000 | added | 20.43 | ||
| FICO | fair isaac inc | 0.02 | 667 | 998,186 | reduced | -0.45 | ||
| GOOG | alphabet inc-cl a | 1.53 | 344,391 | 83,721,500 | reduced | -67.06 | ||
| HLT | hilton worldwide | 2.57 | 542,613 | 140,776,000 | reduced | -0.36 | ||
| MA | mastercard inc-class a | 6.08 | 584,086 | 332,234,000 | reduced | -0.37 | ||
| MCO | moodys corp | 8.27 | 948,735 | 452,053,000 | reduced | -0.37 | ||
| MSFT | microsoft corp | 24.33 | 2,569,270 | 1,330,750,000 | reduced | -0.36 | ||
| TDG | transdigm group inc | 23.53 | 976,392 | 1,286,900,000 | reduced | -0.36 | ||
| V | visa inc-class a shrs | 3.33 | 533,522 | 182,134,000 | reduced | -0.35 | ||