Chris Hohn - TCI Fund Management 13F Activity & Position Changes (Q1 2018)

According to the SEC 13F filed on Aug 14, 2026, the TCI Fund Management portfolio showed several notable changes in holdings as of quarter-end Mar 31, 2018. 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 2018, the filing reported:

New Buys - None reported

Increases - Charter Communications, Inc., Alphabet Inc., Moody's Corporation, Microsoft Corporation, S&P Global Inc.

Reductions - Comcast Corporation, Alphabet Inc., Union Pacific Corporation

Complete Exits - Ambac Financial Group, Inc., Equifax, 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 2018	AMBC Ambac Financial Group, Inc.	Ambac Financial Group, Inc.	Sell - Position Exit	-1,985,785	-100.0%	$0.00	-
Q1 2018	CHTR Charter Communications, Inc.	Charter Communications, Inc.	Buy	+692,867	+7.0%	$3.31M	10,620,701
Q1 2018	CMCSA Comcast Corporation	Comcast Corporation	Sell	-58,963,191	-83.2%	$406.53K	11,897,380
Q1 2018	EFX Equifax, Inc.	Equifax, Inc.	Sell - Position Exit	-50,000	-100.0%	$0.00	-
Q1 2018	GOOG Alphabet Inc.	Alphabet Inc.	Buy	+441,115	+23.0%	$2.43M	2,359,642
Q1 2018	GOOGL Alphabet Inc.	Alphabet Inc.	Sell	-5,000	-1.3%	$394.74K	380,600
Q1 2018	MCO Moody's Corporation	Moody's Corporation	Buy	+32,500	+2.0%	$273.02K	1,692,623
Q1 2018	MSFT Microsoft Corporation	Microsoft Corporation	Buy	+5,745,100	+71.2%	$1.26M	13,810,449
Q1 2018	SPGI S&P Global Inc.	S&P Global Inc.	Buy	+28,000	+6.7%	$84.95K	444,619
Q1 2018	UNP Union Pacific Corporation	Union Pacific Corporation	Sell	-570,700	-88.8%	$9.68K	72,000