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Warren Buffett - Berkshire Hathaway 13F Activity & Position Changes (Q4 2017)

As of Dec 31, 2017, the Berkshire Hathaway portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on May 15, 2026. 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 - Teva Pharmaceutical Industries

Increases - Apple Inc., The Bank of New York Mellon Cor, U.S. Bancorp

Reductions - American Airlines Group, Inc., General Motors Company, International Business Machines, Sanofi, Wells Fargo & Company

Complete Exits - None reported

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
Q4 2017	AAL American Airlines Group, Inc.	American Airlines Group, Inc.	Sell	-1,000,000	-2.1%	$2.39M	46,000,000
Q4 2017	AAPL Apple Inc.	Apple Inc.	Buy	+31,241,180	+23.3%	$27.98M	165,333,962
Q4 2017	BK The Bank of New York Mellon Cor	The Bank of New York Mellon Cor	Buy	+10,589,195	+21.1%	$3.28M	60,818,783
Q4 2017	GM General Motors Company	General Motors Company	Sell	-10,000,000	-16.7%	$2.05M	50,000,000
Q4 2017	IBM International Business Machines	International Business Machines	Sell	-34,978,653	-94.5%	$314.21K	2,048,045
Q4 2017	SNY Sanofi	Sanofi	Sell	-27,351	-0.7%	$166.78K	3,878,524
Q4 2017	TEVA Teva Pharmaceutical Industries	Teva Pharmaceutical Industries	Buy - Position Entry	+18,875,721	-	$357.69K	18,875,721
Q4 2017	USB U.S. Bancorp	U.S. Bancorp	Buy	+1,995,710	+2.3%	$4.66M	87,058,877
Q4 2017	WFC Wells Fargo & Company	Wells Fargo & Company	Sell	-6,000,000	-1.3%	$27.80M	458,232,268