Mark Massey - AltaRock Partners 13F Activity & Position Changes (Q1 2025)

According to the SEC 13F filed on May 14, 2025, the AltaRock Partners portfolio showed several notable changes in holdings as of quarter-end Mar 31, 2025. The activity included new positions, additions to existing holdings, reductions, and complete exits, providing a clear view of how the portfolio evolved during the quarter.

During Q1 2025, the filing reported:

New Buys - None reported

Increases - Hilton Worldwide Holdings Inc., Microsoft Corporation

Reductions - Amazon.com, Inc., Alphabet Inc., Transdigm Group Incorporated, Visa Inc.

Complete Exits - Charter Communications, Inc.

These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.

Date	Symbol	Name	Type	Change Qty	% Change	Value	Remaining
Q1 2025	AMZN Amazon.com, Inc.	Amazon.com, Inc.	Sell	-75,905	-1.4%	$989.81M	5,202,415
Q1 2025	CHTR Charter Communications, Inc.	Charter Communications, Inc.	Sell - Position Exit	-6,025	-100.0%	$0.00	-
Q1 2025	GOOGL Alphabet Inc.	Alphabet Inc.	Sell	-26,434	-0.8%	$534.18M	3,454,367
Q1 2025	HLT Hilton Worldwide Holdings Inc.	Hilton Worldwide Holdings Inc.	Buy	+182,629	+200.0%	$62.34M	273,957
Q1 2025	MSFT Microsoft Corporation	Microsoft Corporation	Buy	+687,008	+36.3%	$968.00M	2,578,649
Q1 2025	TDG Transdigm Group Incorporated	Transdigm Group Incorporated	Sell	-20,654	-2.1%	$1.36B	979,950
Q1 2025	V Visa Inc.	Visa Inc.	Sell	-24,500	-2.8%	$298.04M	850,412