Mark Massey - AltaRock Partners 13F Activity & Position Changes (Q1 2020)

As of Mar 31, 2020, the AltaRock Partners portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on May 15, 2026. 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 2020, the filing reported:

New Buys - None reported

Increases - Charter Communications, Inc., Alphabet Inc., Moody's Corporation, Transdigm Group Incorporated

Reductions - Mastercard Incorporated, Visa Inc.

Complete Exits - O'Reilly Automotive, 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 2020	CHTR Charter Communications, Inc.	Charter Communications, Inc.	Buy	+14,000	+1.3%	$478.00K	1,095,554
Q1 2020	GOOGL Alphabet Inc.	Alphabet Inc.	Buy	+60,943	+26.5%	$338.06K	290,943
Q1 2020	MA Mastercard Incorporated	Mastercard Incorporated	Sell	-35,000	-8.8%	$87.43K	361,940
Q1 2020	MCO Moody's Corporation	Moody's Corporation	Buy	+435,463	+41.5%	$314.23K	1,485,724
Q1 2020	ORLY O'Reilly Automotive, Inc.	O'Reilly Automotive, Inc.	Sell - Position Exit	-93,918	-100.0%	$0.00	-
Q1 2020	TDG Transdigm Group Incorporated	Transdigm Group Incorporated	Buy	+425,143	+72.7%	$323.41K	1,010,067
Q1 2020	V Visa Inc.	Visa Inc.	Sell	-43,000	-17.1%	$33.60K	208,516