2020-Q4

Company	Shares change	Shares owned end of quarter	Transaction type	Price range
Alphabet Inc. US02079K1079	-96M	87M	SELL	$3.09–$3.78
Alphabet Inc. US02079K3059	-89K	86M	SELL	$3.09–$3.77
Amazon.com, Inc. US0231351067	-140	14K	SELL	$127.68–$146.75
Berkshire Hathaway Inc. US0846701086	-8	995	SELL	$257.25K–$295.75K
Berkshire Hathaway Inc. US0846707026	-49K	1M	SELL	$170.89–$196.86
Builders FirstSource, Inc. US12008R1077	-1.4K	78K	SELL	$25.40–$34.20
CarMax, Inc. US1431301027	-29K	6.5M	SELL	$73.50–$82.00
Credit Acceptance Corporation US2253101016	+311K	1.6M	BUY	$240.00–$302.00
The Walt Disney Company US2546871060	-25K	2.8M	SELL	$101.16–$146.60
Edison International US2810201077	-4.5K	3.4K	SELL	$43.00–$55.50
Meta Platforms, Inc. US30303M1027	-36K	2.2M	SELL	$219.50–$249.20
Fidelity National Information Services, Inc. US31620M1062	-6K	1.9M	SELL	$103.00–$127.06
Intercontinental Exchange, Inc. US45866F1049	-15K	3.5M	SELL	$80.00–$93.00
Liberty Broadband Corporation US5303071071	-4.9K	1M	SELL
Liberty Broadband Corporation US5303073051	-106K	2.2M	SELL	$117.04–$121.22
Mastercard Incorporated US57636Q1040	-36K	960K	SELL	$246.25–$299.00
The Progressive Corporation US7433151039	-1.5K	2.1K	SELL	$72.00–$86.50
The Charles Schwab Corporation US8085131055	-272K	9.3M	SELL	$31.47–$43.72
Taiwan Semiconductor Manufacturing Company Limited US8740391003	-58K	6.7M	SELL	$69.90–$88.01
UnitedHealth Group Incorporated US91324P1021	-8.4K	1.8M	SELL	$260.48–$301.95
Visa Inc. US92826C8394	-9.8K	521K	SELL	$155.00–$182.00
Wayfair Inc. US94419L1017	-543K	1.8M	SELL	$190.00–$274.00