Billionaire investor Warren Buffett's Berkshire Hathaway boosted stakes in cable provider Charter Communications [chtr], satellite TV provider DirecTV , automaker General Motors and credit-card firm Visa in the third quarter, according to a Friday filing with the Securities and Exchange Commission. Large investors are required to disclose long positions in 13F filings with the Securities and Exchange Commission 45 days after the end of each quarter. As of Sept. 30, Buffett held more than 4.95 million shares of Charter, more than double the stake he reported at the end of the second quarter. Buffett's top holdings were little changed. Berkshire's largest position remained a nearly 463.5 million share stake in Wells Fargo followed by a 400 million share position in Coca Cola .
Copyright © 2014 MarketWatch, Inc.