Mark MasseyShannon T. Cabot

Altarock Partners Lp

Assets Managed

$4.126B

Holdings

Last Quarter

2026 - Q1

Filed Date

1mo 9d ago

Growth Rate

-19.09%(2Q avg: -12.92%)

Sustained Growth

0 quarters

Portfolio positions

This chart displays the top 10 holdings in Altarock Partners Lp's 2026 - Q1 portfolio, based on their 13F SEC filing, out of a total of 8 positions.

Assets under management

The assets under management (AUM) of Altarock Partners Lp over the past 10 years (40 quarters) show continuous growth in total asset value over the last 0 quarters. As of the latest 13F SEC filing for 2026 - Q1, they manage 4.126B in assets, with a quarterly growth rate of -19.09% and a 2-quarter average growth rate of -12.92%. The portfolio is managed by Mark Massey, Shannon T. Cabot, and others.

Portfolio holdings

Investment	Portfolio %	Reported Value	Recent Activity
AMZN Amazon.com Inc Recent Activity Increased 3.47%	38.2%	$1.576B 7.568M shares@ $208.27 avg price	Increased 3.47%
TDG Transdigm Group Inc Recent Activity Decreased -6.21%	25.54%	$1.054B 909,168 shares@ $1158.96 avg price	Decreased -6.21%
MSFT Microsoft Corp Recent Activity Decreased -10.31%	16.76%	$691.306M 1.868M shares@ $370.17 avg price	Decreased -10.31%
MCO Moody's Corp Recent Activity Increased 5.84%	9.12%	$376.063M 862,036 shares@ $436.25 avg price	Increased 5.84%
MA Mastercard Inc - A Recent Activity Decreased -3.5%	6.34%	$261.24M 522,836 shares@ $499.67 avg price	Decreased -3.5%
V Visa Inc-class A Shares Recent Activity Decreased -3.48%	3.66%	$150.72M 498,677 shares@ $302.25 avg price	Decreased -3.48%
GOOGL Alphabet Inc-cl A Recent Activity Decreased -74.38%	0.31%	$12.478M 43,391 shares@ $287.57 avg price	Decreased -74.38%
HLT Hilton Worldwide Holdings In Recent Activity Decreased -97.17%	0.12%	$4.665M 15,341 shares@ $304.08 avg price	Decreased -97.17%

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