Thomas Gayner - Markel Group Inc. 13F Activity & Position Changes (Q1 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 Mar 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 Q1 2017, the filing reported:

New Buys - Albemarle Corporation, Healthcare Services Group, Inc., International Business Machines

Increases - Apple Inc., Analog Devices, Inc., American Tower Corporation (REI, Amazon.com, Inc., Boeing Company (The), and 42 more

Reductions - None reported

Complete Exits - CSX Corporation, Oracle Corporation

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

Showing 30 of 52 transactions.

Date	Symbol	Name	Type	Change Qty	% Change	Value	Remaining
Q1 2017	AAPL Apple Inc.	Apple Inc.	Buy	+17,000	+23.3%	$12.94M	90,100
Q1 2017	ADI Analog Devices, Inc.	Analog Devices, Inc.	Buy	+108,811	+27.8%	$41.04M	500,811
Q1 2017	ALB Albemarle Corporation	Albemarle Corporation	Buy - Position Entry	+15,000	-	$1.58M	15,000
Q1 2017	AMT American Tower Corporation (REI	American Tower Corporation (REI	Buy	+15,500	+110.7%	$3.58M	29,500
Q1 2017	AMZN Amazon.com, Inc.	Amazon.com, Inc.	Buy	+13,000	+28.3%	$52.31M	59,000
Q1 2017	BA Boeing Company (The)	Boeing Company (The)	Buy	+17,000	+32.4%	$12.27M	69,400
Q1 2017	BAM Brookfield Asset Management Inc	Brookfield Asset Management Inc	Buy	+106,000	+2.1%	$191.59M	5,254,821
Q1 2017	BLK BlackRock, Inc.	BlackRock, Inc.	Buy	+7,000	+4.3%	$64.62M	168,500
Q1 2017	BRK-A Berkshire Hathaway Inc.	Berkshire Hathaway Inc.	Buy	+4	+0.4%	$271.84M	1,088
Q1 2017	BXCHF BLACKSTONE INC	BLACKSTONE INC	Buy	+35,000	+6.2%	$17.67M	595,000
Q1 2017	CMCSA Comcast Corporation	Comcast Corporation	Buy	+118,000	+129.7%	$7.86M	209,000
Q1 2017	CSCO Cisco Systems, Inc.	Cisco Systems, Inc.	Buy	+33,000	+10.7%	$11.56M	342,000
Q1 2017	CSX CSX Corporation	CSX Corporation	Sell - Position Exit	-140,000	-100.0%	$0.00	-
Q1 2017	CVS CVS Health Corporation	CVS Health Corporation	Buy	+16,000	+6.5%	$20.72M	264,000
Q1 2017	DEO Diageo plc	Diageo plc	Buy	+12,000	+0.9%	$154.28M	1,334,800
Q1 2017	DIS Walt Disney Company (The)	Walt Disney Company (The)	Buy	+17,000	+1.0%	$188.59M	1,663,200
Q1 2017	DISCKEUR DISCOVERY INC-C	DISCOVERY INC-C	Buy	+39,000	+4.4%	$26.36M	931,000
Q1 2017	DLTR Dollar Tree, Inc.	Dollar Tree, Inc.	Buy	+24,000	+109.1%	$3.61M	46,000
Q1 2017	ECL Ecolab Inc.	Ecolab Inc.	Buy	+14,000	+7.3%	$25.80M	205,800
Q1 2017	FLS Flowserve Corporation	Flowserve Corporation	Buy	+24,000	+120.0%	$2.13M	44,000
Q1 2017	FWONK Liberty Media Corp Formula One Group	Liberty Media Corp Formula One Group	Buy	+37,000	+17.9%	$8.32M	243,500
Q1 2017	GILD Gilead Sciences, Inc.	Gilead Sciences, Inc.	Buy	+13,000	+92.9%	$1.83M	27,000
Q1 2017	GOOG Alphabet Inc.	Alphabet Inc.	Buy	+13,000	+21.3%	$61.41M	74,031
Q1 2017	HCSG Healthcare Services Group, Inc.	Healthcare Services Group, Inc.	Buy - Position Entry	+55,000	-	$2.37M	55,000
Q1 2017	HEI-A Heico Corporation	Heico Corporation	Buy	+21,000	+42.4%	$5.29M	70,500
Q1 2017	HXL Hexcel Corporation	Hexcel Corporation	Buy	+21,000	+175.0%	$1.80M	33,000
Q1 2017	IBM International Business Machines	International Business Machines	Buy - Position Entry	+9,700	-	$1.69M	9,700
Q1 2017	KKR KKR & Co. Inc.	KKR & Co. Inc.	Buy	+45,000	+7.2%	$12.16M	667,000
Q1 2017	LBRDA Liberty Broadband Corporation	Liberty Broadband Corporation	Buy	+15,000	+10.4%	$13.55M	159,250
Q1 2017	LOW Lowe's Companies, Inc.	Lowe's Companies, Inc.	Buy	+23,000	+4.3%	$46.28M	563,000