Mark Massey - AltaRock Partners 13F Activity & Position Changes (Q2 2015)

According to the SEC 13F filed on Aug 17, 2026, the AltaRock Partners portfolio showed several notable changes in holdings as of quarter-end Jun 30, 2015. 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 Q2 2015, the filing reported:

New Buys - Interactive Brokers Group, Inc.

Increases - Mastercard Incorporated, Moody's Corporation, Transdigm Group Incorporated

Reductions - 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
Q2 2015	IBKR Interactive Brokers Group, Inc.	Interactive Brokers Group, Inc.	Buy - Position Entry	+33,101	-	$1.38K	33,101
Q2 2015	MA Mastercard Incorporated	Mastercard Incorporated	Buy	+83,700	+26.9%	$36.96K	395,390
Q2 2015	MCO Moody's Corporation	Moody's Corporation	Buy	+34,699	+8.0%	$50.41K	466,915
Q2 2015	TDG Transdigm Group Incorporated	Transdigm Group Incorporated	Buy	+201,871	+87.1%	$97.42K	433,621
Q2 2015	V Visa Inc.	Visa Inc.	Sell	-65,000	-18.8%	$18.81K	280,076