Berkshire Hathaway's 15 Biggest Stock Holdings

As CEO and primary shareholder of Berkshire Hathaway (BRK), Warren Buffett, the world's most famous investor, has developed a well-known reputation of buying big stakes in companies he believes in. When Buffett buys shares of a company for BRK, the markets translate his moves as a vote of confidence for a firm's continued success.Although Berkshire Hathaway's holdings change, the company's most recent SEC filings* reveal where the Oracle of Omaha is most heavily invested. Here are the 15 publicly traded stocks, by value, that are the biggest holdings of Berkshire Hathaway.By Paul ToscanoUpdated 17 Nov 2009*All holdings are as of September 30, 2009 as reported in Berkshire Hathaway's 13F, except for Moody's, which is as of October 29, 2009. Holding values are calculated as of market close on 11/17/09.

Photo: Jamie Bradburn Holding Value: $425.7 millionShares: 6,715,000Stake in Company: 5.69%

Photo: AP Holding Value: $492.1 millionShares: 7,641,000Stake in Company: 1.57%

Photo: Getty Images Holding Value: $749.9 millionShares: 1,727,765Stake in Company: 18.38%

Holding Value: $900.7 millionShares: 38,066,685Stake in Company: 16.1%

Photo: AP Holding Value: $1.62 billionShares: 69,039,426Stake in Company: 3.61%

Photo: Wescofinancial.com Holding Value: $1.92 billionShares: 5,703,087Stake in Company: 80.1%

Photo: Walmart.com Holding Value: $2.04 billionShares: 37,836,642Stake in Company: 0.98%

Photo: AP Holding Value: $2.29 billionShares: 36,914,633Stake in Company: 1.34%

Photo: Getty Images Holding Value: $3.09 billionShares: 57,430,168Stake in Company: 3.87%

Photo: Getty Images Holding Value: $3.81 billionShares: 138,272,500Stake in Company: 9.37%

Photo: Getty Images Holding Value: $5.98 billionShares: 96,316,010Stake in Company: 3.3%

Photo: Getty Images Holding Value: $6.25 billionShares: 151,610,700Stake in Company: 12.75%

Photo: Getty Images Holding Value: $7.53 billion*Shares: 76,777,029Stake in Company: 22.55%*On 11/3/09, Berkshire Hathaway announced plans to purchase the entirety of BNI for $26 billion, bringing BRK's stake in the company to 100%, valuing the company at $34 billion. Click here for the full story.

Photo: Getty Images Holding Value: $8.95 billionShares: 313,355,657Stake in Company: 6.69%

Photo: DOUG COLLIER | APF | Getty Images Holding Value: $11.35 billionShares: 200,000,000Stake in Company: 8.63%

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