Here are Warren Buffett's most valuable investments

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(Warren BuffettRick Wilking/Reuters)

Warren Buffett's investments continued to pay off in the fourth quarter, as Berkshire Hathaway reported a 15% rise in profits.

Buffett's holdings include a mix of subsidiaries like auto-insurer Geico, and publicly traded conglomerates such as Coca-Cola.

The most recent regulatory disclosure of long positions, released in February, showed that Berkshire invested as much as $5 billion more into airlines. That brought its holdings in the industry Buffett once called a deathtrap to $10 billion.

Buffett's annual letter to shareholders released on February 25 included this list of Berkshire Hathaway's 15 most common stock investments that had the most value as at the end of last year. It excludes Kraft Heinz, as this investment is accounted for with the equity method because Berkshire owns a significant controlling stake.

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(Berkshire Hathaway)

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