NEW YORK ( Stockpickr) -- At Stockpickr, we track the 30 of the top holdings of a variety of high-profile investors, such as Warren Buffett and Carl Icahn. On the heels of the most-recent quarterly 13F filings with the SEC, we're drilling down into these portfolios to offer you the stock picks of some of the world's most famous and followed investors.One of our most popular professional portfolios is that of George Soros' Soros Fund Management. Keeping in mind that Soros Fund Management conducts hundreds of transactions every quarter -- in the fourth quarter, for example, just positions initiated by Soros clocked in at more than 250 -- we thought we'd single out some of its recent top buys. What follows is a closer look at eight of the 30 holdings that Stockpickr tracks in its George Soros portfolio. These stocks, including one brand-new buy, saw position increases in the most-recent quarter of 100% or more. They are organized here by increasing position size. Related: 7 Stocks Leading the Market in 2011 Ford Ford ( F) comprises 0.6% of Soros' portfolio. The 2.6 million-share position is a 7,070.5% increase over the previous quarter. Ford also shows up in the portfolios of Leon Cooperman's Omega Advisors, which maintained a 6 million-share position at 2.5% of the total portfolio, and Ken Heebner's Capital Growth Management, in a 41.6 million-share position that, at 10.3% of the total portfolio, is its largest holding. Stock Overview: Ford Motor is a producer of cars and trucks. Its business is divided into two sectors: automotive and financial services. It has a market cap of $53.6 billion, a 1.9 short interest ratio and a P/E of 8.8. Analyst Ratings: Of 14 analysts covering the stock, seven rate it a buy, six rate it a hold, and one rates it a sell. TheStreet Ratings has a C hold rating on the stock, earning it a spot on the top-rated automobile stocks list. More on Ford: Ford is one of Goldman's 11 best consumer stocks for 2011, and according to Dirk van Dijk, chief equity strategist at Zacks, it's one of several stocks to ride an economic recovery.