Thomas Gayner - Markel Group Inc. 13F Activity & Position Changes (Q4 2017)

According to the SEC 13F filed on Jul 31, 2026, the Markel Group Inc. portfolio showed several notable changes in holdings as of quarter-end Dec 31, 2017. 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 2017, the filing reported:

New Buys - Illumina, Inc.

Increases - None reported

Reductions - None reported

Complete Exits - Schlumberger N.V., Exxon Mobil Corporation

These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.

Showing 3 of 3 transactions.

Date	Symbol	Name	Type	Change Qty	% Change	Value	Remaining
Q4 2017	ILMN Illumina, Inc.	Illumina, Inc.	Buy - Position Entry	+1,000	-	$218.00K	1,000
Q4 2017	SLB Schlumberger N.V.	Schlumberger N.V.	Sell - Position Exit	-4,000	-100.0%	$0.00	-
Q4 2017	XOM Exxon Mobil Corporation	Exxon Mobil Corporation	Sell - Position Exit	-544,800	-100.0%	$0.00	-