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Warren Buffett - Berkshire Hathaway 13F Activity & Position Changes (Q1 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 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 - None reported

Increases - American Airlines Group, Inc., Apple Inc., The Bank of New York Mellon Cor, Southwest Airlines Company, SiriusXM Holdings Inc.

Reductions - Delta Air Lines, Inc., International Business Machines

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
Q1 2017	AAL American Airlines Group, Inc.	American Airlines Group, Inc.	Buy	+3,734,000	+8.2%	$2.08B	49,278,854
Q1 2017	AAPL Apple Inc.	Apple Inc.	Buy	+71,997,454	+125.5%	$18.58B	129,357,106
Q1 2017	BK The Bank of New York Mellon Cor	The Bank of New York Mellon Cor	Buy	+11,340,090	+52.3%	$1.56B	33,012,059
Q1 2017	DAL Delta Air Lines, Inc.	Delta Air Lines, Inc.	Sell	-5,000,000	-8.3%	$2.53B	55,025,995
Q1 2017	IBM International Business Machines	International Business Machines	Sell	-16,670,348	-20.5%	$11.24B	64,561,955
Q1 2017	LUV Southwest Airlines Company	Southwest Airlines Company	Buy	+4,455,681	+10.3%	$2.56B	47,659,456
Q1 2017	SIRI SiriusXM Holdings Inc.	SiriusXM Holdings Inc.	Buy	+5,685,412	+3.4%	$887.48M	172,325,353