Mark Massey - AltaRock Partners 13F Activity & Position Changes (Q1 2023)

According to the SEC 13F filed on May 16, 2023, the AltaRock Partners portfolio showed several notable changes in holdings as of quarter-end Mar 31, 2023. 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 2023, the filing reported:

New Buys - None reported

Increases - Amazon.com, Inc., Charter Communications, Inc.

Reductions - Alphabet Inc., Mastercard Incorporated, Microsoft Corporation, Transdigm Group Incorporated, Visa Inc.

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
Q1 2023	AMZN Amazon.com, Inc.	Amazon.com, Inc.	Buy	+220,581	+3.9%	$605.79M	5,864,951
Q1 2023	CHTR Charter Communications, Inc.	Charter Communications, Inc.	Buy	+65,000	+19.4%	$142.85M	399,465
Q1 2023	GOOGL Alphabet Inc.	Alphabet Inc.	Sell	-148,000	-2.3%	$651.68M	6,282,417
Q1 2023	MA Mastercard Incorporated	Mastercard Incorporated	Sell	-6,500	-2.2%	$107.03M	294,510
Q1 2023	MSFT Microsoft Corporation	Microsoft Corporation	Sell	-228,200	-8.9%	$672.30M	2,331,929
Q1 2023	TDG Transdigm Group Incorporated	Transdigm Group Incorporated	Sell	-26,600	-1.9%	$1.02B	1,383,124
Q1 2023	V Visa Inc.	Visa Inc.	Sell	-26,000	-1.6%	$371.59M	1,648,124