2018-Q1

Company	Shares change	Shares owned end of quarter	Transaction type	Price range
Alphabet Inc. US02079K1079	+594K	12M	BUY	$2.05–$2.38
Alphabet Inc. US02079K3059	-31K	2.3M	SELL	$2.01–$2.40
AMETEK, Inc. US0311001004	+16K	699K	BUY	$58.81–$64.05
Berkshire Hathaway Inc. US0846707026	+23K	740K	BUY	$155.10–$175.82
CarMax, Inc. US1431301027	+59K	1.1M	BUY	$48.42–$59.50
Credit Acceptance Corporation US2253101016	+4.6K	64K	BUY
The Walt Disney Company US2546871060	+18K	285K	BUY	$79.24–$93.17
Edwards Lifesciences Corporation US28176E1082	+29K	513K	BUY	$30.84–$38.64
HEICO Corporation US4228062083	-144K	575K	SELL
LKQ Corporation US5018892084	+29K	946K	BUY	$30.24–$35.20
Markel Corporation US5705351048	+939	32K	BUY	$847.70–$960.80
Mohawk Industries, Inc. US6081901042	+3K	107K	BUY	$184.60–$234.00
O'Reilly Automotive, Inc. US67103H1077	+15K	1.4M	BUY	$12.95–$14.80
The TJX Companies, Inc. US8725401090	+6.7K	11K	BUY	$30.70–$34.46
Union Pacific Corporation US9078181081	+742	268K	BUY	$100.60–$117.00
Visa Inc. US92826C8394	+3.4K	338K	BUY	$93.72–$102.00
Wells Fargo & Company US9497461015	+4.3K	338K	BUY	$41.75–$53.20
Fortune Brands Home & Security, Inc. US34964C1062	+968	361K	BUY	$40.36–$50.85