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

According to the SEC 13F filed on Aug 14, 2026, the Berkshire Hathaway 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 - 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%	$2.39B	46,000,000
Q4 2017	AAPL Apple Inc.	Apple Inc.	Buy	+31,241,180	+23.3%	$27.98B	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%	$3.28B	60,818,783
Q4 2017	GM General Motors Company	General Motors Company	Sell	-10,000,000	-16.7%	$2.05B	50,000,000
Q4 2017	IBM International Business Machines	International Business Machines	Sell	-34,978,653	-94.5%	$314.21M	2,048,045
Q4 2017	SNY Sanofi	Sanofi	Sell	-27,351	-0.7%	$166.78M	3,878,524
Q4 2017	TEVA Teva Pharmaceutical Industries	Teva Pharmaceutical Industries	Buy - Position Entry	+18,875,721	-	$357.69M	18,875,721
Q4 2017	USB U.S. Bancorp	U.S. Bancorp	Buy	+1,995,710	+2.3%	$4.66B	87,058,877
Q4 2017	WFC Wells Fargo & Company	Wells Fargo & Company	Sell	-6,000,000	-1.3%	$27.80B	458,232,268