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Latest ALTAROCK PARTNERS LLC Stock Portfolio

$4.13Billion | No. of Holdings #8

ALTAROCK PARTNERS LLC Performance

2026 Q1-13.04%
YTD-13.04%
2025+8.05%

About ALTAROCK PARTNERS LLC and 13F Hedge Fund Stock Holdings

ALTAROCK PARTNERS LP is a hedge fund based in Beverly, MA. On 2026-05-15, the fund reported it's updated stock portfolio. In the 13F Holdings report, ALTAROCK PARTNERS LP reported an equity portfolio of $4.1 Billions as of 31 Mar, 2026. <br><br> The top stock holdings of ALTAROCK PARTNERS LP are AMZN, TDG, MSFT. The fund has invested 38.2% of it's portfolio in AMAZON.COM INC and 25.5% of portfolio in TRANSDIGM GROUP INC. <br><br> They significantly reduced their stock positions in HILTON WORLDWIDE (HLT), ALPHABET INC-CL A (GOOG) and MICROSOFT CORP (MSFT). The fund showed a lot of confidence in some stocks as they added substantially to MOODYS CORP (MCO) and AMAZON.COM INC (AMZN).
ALTAROCK PARTNERS LLC Equity Portfolio Value
Last Reported on: 15 May, 2026
$4.13Billion
  as of May 15, 2026

ALTAROCK PARTNERS LLC Annual Return Estimates Vs S&P 500

Our best estimate is that ALTAROCK PARTNERS LP made a return of -13.04% in the last quarter. In trailing 12 months, it's portfolio return was -1.75%.
  • Performance
  • S&P 500

New Buys

No new stocks were added by ALTAROCK PARTNERS LLC

Additions

Ticker% Inc.
moodys corp5.84
amazon.com inc3.46
Additions to existing portfolio by ALTAROCK PARTNERS LLC

Reductions

Ticker% Reduced
hilton worldwide-97.17
alphabet inc-cl a-74.38
microsoft corp-10.32
transdigm group inc-6.21
mastercard inc-class a-3.51
visa inc-class a shrs-3.48
ALTAROCK PARTNERS LLC reduced stake in above stock

Sold off

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

Sector Distribution

ALTAROCK PARTNERS LP has about 38.3% of it's holdings in Consumer Cyclical sector.

  • Consumer Cyclical
  • Industrials
  • Financial Services
  • Technology
Sector%
Consumer Cyclical38.3
Industrials25.5
Financial Services19.1
Technology16.8

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-CAP65.2
LARGE-CAP34.8

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 500100
Top 5 Winners (%)%
HLT
hilton worldwide
3.0 %
Top 5 Winners ($)$
HLT
hilton worldwide
4.7 M
Top 5 Losers (%)%
MSFT
microsoft corp
-22.3 %
MCO
moodys corp
-14.3 %
V
visa inc-class a shrs
-13.6 %
TDG
transdigm group inc
-12.4 %
MA
mastercard inc-class a
-12.3 %
Top 5 Losers ($)$
MSFT
microsoft corp
-224.1 M
AMZN
amazon.com inc
-167.8 M
TDG
transdigm group inc
-160.5 M
MCO
moodys corp
-62.5 M
MA
mastercard inc-class a
-37.9 M

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. HLT was the most profitable stock for ALTAROCK PARTNERS LP last quarter.

$4.13BTotal Value
8.00Positions
15 May, 2026Last Reported
Current holdings of Current Stock Holdings of ALTAROCK PARTNERS LLC, last reported on 15 May, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change