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Latest ALTAROCK PARTNERS LLC Stock Portfolio

$4.24Billion | No. of Holdings #8

About ALTAROCK PARTNERS LLC and 13F Hedge Fund Stock Holdings

ALTAROCK PARTNERS LP is a hedge fund based in Beverly, MA. On 2026-08-17, the fund reported it's updated stock portfolio. In the 13F Holdings report, ALTAROCK PARTNERS LP reported an equity portfolio of $4.2 Billions as of 30 Jun, 2026. <br><br> The top stock holdings of ALTAROCK PARTNERS LP are AMZN, TDG, MSFT. The fund has invested 32.2% of it's portfolio in AMAZON.COM INC and 27.5% of portfolio in TRANSDIGM GROUP INC. <br><br> They significantly reduced their stock positions in MOODYS CORP (MCO), AMAZON.COM INC (AMZN) and TRANSDIGM GROUP INC (TDG). The fund showed a lot of confidence in some stocks as they added substantially to VISA INC-CLASS A SHRS (V), MASTERCARD INC-CLASS A (MA) and MICROSOFT CORP (MSFT).
ALTAROCK PARTNERS LLC Equity Portfolio Value
Last Reported on: 17 Aug, 2026
$4.24Billion
  as of Aug 17, 2026

ALTAROCK PARTNERS LLC Annual Return Estimates Vs S&P 500

  • Performance

New Buys

No new stocks were added by ALTAROCK PARTNERS LLC

Additions

Ticker% Inc.
visa inc-class a shrs67.74
mastercard inc-class a46.22
microsoft corp25.00
Additions to existing portfolio by ALTAROCK PARTNERS LLC

Reductions

Ticker% Reduced
moodys corp-64.89
amazon.com inc-24.29
transdigm group inc-3.68
alphabet inc-cl a-3.22
hilton worldwide-0.91
ALTAROCK PARTNERS LLC reduced stake in above stock

Sold off

None of the stocks were completely sold off by ALTAROCK PARTNERS LLC

Sector Distribution

  • Consumer Cyclical
  • Industrials
  • Technology
  • Financial Services
Sector%
Consumer Cyclical32.3
Industrials27.5
Technology20.5
Financial Services19.3

Market Cap. Distribution

  • MEGA-CAP
  • LARGE-CAP
Category%
MEGA-CAP69.1
LARGE-CAP30.9

Stocks belong to which Index?

  • S&P 500
Index%
S&P 500100
Top 5 Winners (%)%
GOOG
alphabet inc-cl a
23.9 %
TDG
transdigm group inc
14.7 %
AMZN
amazon.com inc
12.7 %
V
visa inc-class a shrs
10.5 %
HLT
hilton worldwide
8.6 %
Top 5 Winners ($)$
AMZN
amazon.com inc
199.9 M
TDG
transdigm group inc
154.5 M
V
visa inc-class a shrs
27.3 M
MCO
moodys corp
9.7 M
MA
mastercard inc-class a
9.0 M
Top 5 Losers (%)%
Top 5 Losers ($)$

ALTAROCK PARTNERS LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of ALTAROCK PARTNERS LLC

$4.24BTotal Value
8.00Positions
17 Aug, 2026Last Reported
Current holdings of Current Stock Holdings of ALTAROCK PARTNERS LLC, last reported on 17 Aug, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change