Mark Massey - AltaRock Partners 13F Activity & Position Changes (Q4 2023)

As of Dec 31, 2023, the AltaRock Partners portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on Feb 15, 2024. 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 Q4 2023, the filing reported:

New Buys - None reported

Increases - Charter Communications, Inc., Moody's Corporation

Reductions - Amazon.com, Inc., Alphabet Inc., Mastercard Incorporated, Microsoft Corporation, Transdigm Group Incorporated, and 1 more

Complete Exits - None reported

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
Q4 2023	AMZN Amazon.com, Inc.	Amazon.com, Inc.	Sell	-165,600	-3.6%	$673.80M	4,434,634
Q4 2023	CHTR Charter Communications, Inc.	Charter Communications, Inc.	Buy	+76,058	+15.3%	$223.01M	573,760
Q4 2023	GOOGL Alphabet Inc.	Alphabet Inc.	Sell	-399,392	-7.6%	$678.87M	4,859,830
Q4 2023	MA Mastercard Incorporated	Mastercard Incorporated	Sell	-11,457	-4.1%	$114.73M	268,994
Q4 2023	MCO Moody's Corporation	Moody's Corporation	Buy	+466,201	+135.4%	$316.60M	810,635
Q4 2023	MSFT Microsoft Corporation	Microsoft Corporation	Sell	-220,798	-10.0%	$748.59M	1,990,714
Q4 2023	TDG Transdigm Group Incorporated	Transdigm Group Incorporated	Sell	-72,464	-5.5%	$1.25B	1,237,622
Q4 2023	V Visa Inc.	Visa Inc.	Sell	-250,867	-12.1%	$475.70M	1,827,153