Latest ALTAROCK PARTNERS LLC Stock Portfolio
ALTAROCK PARTNERS LLC Performance:
2025 Q4: 1.55%YTD: 8.05%2024: 24.29%
Performance for 2025 Q4 is 1.55%, and YTD is 8.05%, 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 2026-02-13, the fund reported it's updated stock portfolio. In the 13F Holdings report, ALTAROCK PARTNERS LP reported an equity portfolio of $5.1 Billions as of 31 Dec, 2025.
The top stock holdings of ALTAROCK PARTNERS LP are AMZN, TDG, MSFT. The fund has invested 33.1% of it's portfolio in AMAZON.COM INC and 25.3% of portfolio in TRANSDIGM GROUP INC.
The fund managers got completely rid off FAIR ISAAC INC (FICO) stocks. They significantly reduced their stock positions in ALPHABET INC-CL A (GOOG), MICROSOFT CORP (MSFT) and MOODYS CORP (MCO).
The top stock holdings of ALTAROCK PARTNERS LP are AMZN, TDG, MSFT. The fund has invested 33.1% of it's portfolio in AMAZON.COM INC and 25.3% of portfolio in TRANSDIGM GROUP INC.
The fund managers got completely rid off FAIR ISAAC INC (FICO) stocks. They significantly reduced their stock positions in ALPHABET INC-CL A (GOOG), MICROSOFT CORP (MSFT) and MOODYS CORP (MCO).
ALTAROCK PARTNERS LLC Annual Return Estimates Vs S&P 500
Our best estimate is that ALTAROCK PARTNERS LP made a return of 1.55% in the last quarter. In trailing 12 months, it's portfolio return was 8.05%.
- Performance
- S&P 500
New Buys
Additions
Reductions
| Ticker | % Reduced |
|---|---|
| alphabet inc-cl a | -50.81 |
| microsoft corp | -18.95 |
| moodys corp | -14.15 |
| mastercard inc-class a | -7.23 |
| amazon.com inc | -3.22 |
| visa inc-class a shrs | -3.16 |
| transdigm group inc | -0.72 |
ALTAROCK PARTNERS LLC reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| fair isaac inc | -998,186 |
ALTAROCK PARTNERS LLC got rid off the above stocks
Sector Distribution
ALTAROCK PARTNERS LP has about 36.2% of it's holdings in Consumer Cyclical sector.
- Consumer Cyclical
- Industrials
- Technology
- Financial Services
| Sector | % |
|---|---|
| Consumer Cyclical | 36.2 |
| Industrials | 25.3 |
| Technology | 19.7 |
| Financial Services | 17.8 |
Market Cap. Distribution
ALTAROCK PARTNERS LP has about 100% of it's portfolio invested in the large-cap and mega-cap stocks.
- MEGA-CAP
- LARGE-CAP
| Category | % |
|---|---|
| MEGA-CAP | 63.5 |
| LARGE-CAP | 36.5 |
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.
- S&P 500
| 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 8 stocks in it's portfolio. MSFT proved to be the most loss making stock for the portfolio. AMZN was the most profitable stock for ALTAROCK PARTNERS LP last quarter.
Last Reported on: 13 Feb, 2026| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| AMZN | amazon.com inc | 33.10 | 7,314,530 | 1,688,340,000 | reduced | -3.22 | ||
| FICO | fair isaac inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| GOOG | alphabet inc-cl a | 1.04 | 169,391 | 53,019,400 | reduced | -50.81 | ||
| HLT | hilton worldwide | 3.06 | 542,613 | 155,866,000 | unchanged | 0.00 | ||
| MA | mastercard inc-class a | 6.07 | 541,836 | 309,323,000 | reduced | -7.23 | ||
| MCO | moodys corp | 8.16 | 814,503 | 416,089,000 | reduced | -14.15 | ||
| MSFT | microsoft corp | 19.75 | 2,082,360 | 1,007,070,000 | reduced | -18.95 | ||
| TDG | transdigm group inc | 25.28 | 969,400 | 1,289,160,000 | reduced | -0.72 | ||
| V | visa inc-class a shrs | 3.55 | 516,677 | 181,204,000 | reduced | -3.16 | ||