GuruFocus' aggregated portfolio screener can show common stock holdings by different investors. This is particularly useful for identifying stocks that investors with similar strategies find attractive, such as Warren Buffett and Prem Watsa, or Julian Robertson and his mentee, Chase Coleman.

Julian Robertson, recognized as the founder of the hedge fund, groomed many protégées in his style of investing. They have been dubbed "Tiger Cubs," after his fund, Tiger Management. Chase Coleman is a Tiger Cub who went on to found hedge fund Tiger Global Management. These are the largest stocks he and his former boss own in common as of the first quarter of 2012: Apple (AAPL), MasterCard (MA), Liberty Global (LBTYA) and Visa (V).

Apple
Robertson owns 88,690 shares of AAPL, valued as $53 million as of March 31, 2012, which accounts for 15.1% of his equity portfolio. Coleman owns 1,225,000 shares of AAPL, valued as $734 million as of March 31, 2012, which accounts for 12.4% of his equity portfolio.

Apple designs, manufactures and markets personal computers and related personal computing and communicating solutions for sale primarily to education, creative, consumer and business customers. David Einhorn just called the company, "one of the most misunderstood stocks in the market." He believes it is a software company whose value comes from "iOS, the App store, iTunes and iCloud." Read more of Einhorn's thoughts on Apple here.

Apple has a market cap of $524.26 billion; its shares were traded at around $561.18 with a price-to-earnings ratio of 13.7 and a price-to-sales ratio of 4.8. Apple had an annual average earnings growth of 63.5% over the past five years.

Visa
Robertson owns 169,552 shares of V, valued as $20 million as of March 31, 2012, which accounts for 5.7% of his equity portfolio. Coleman owns 2,705,000 shares of V, valued as $319 million as of March 31, 2012, which accounts for 5.4% of his equity portfolio.

Coleman sold some of his holding in the first quarter when the price increased to an average of $111 after having accumulated shares the previous several quarters at lower prices. Robertson did the opposite -- buying shares at the higher price after selling over the past several quarters. Visa's stock price has gone up almost 42% in the last year.

Visa operates the world's largest retail electronic payments network and is one of the most recognized global financial services brands.

Visa has a market cap of $97.16 billion; its shares were traded at around $112.27 with a  price-to-earnings ratio of 21.2 and price-to-sales ratio of 10.6. The dividend yield of Visa stocks is 0.7%.

MasterCard
Robertson owns 52,994 shares of MA, valued as $22 million as of March 31, 2012, which accounts for 6.3% of his equity portfolio. Coleman owns 741,000 shares of MA, valued as $312 million as of March 31, 2012, which accounts for 5.2% of his equity portfolio.

MasterCard advances global commerce by providing a critical economic link among financial institutions, businesses, cardholders and merchants worldwide.

Similar to Visa, MasterCard's price has gone up almost 40% in the last year, but new regulations have impacted both companies and caused their shares to decline. The regulations apply to how the companies handle debit transactions, and are therefore expected to have a bigger effect on Visa, according to Dow Jones.

Ajay Banga, chief executive of MasterCard, announced that credit card volumes between April and late May rose in the U.S. and internationally, including in Europe.

MasterCard has a market cap of $52.32 billion; its shares were traded at around $392.25 with a price-to-earnings ratio of 20.9 and price-to-sales ratio of 7.8. The dividend yield of MasterCard stocks is 0.3%.

Liberty Global 
Robertson owns 407,595 shares of LBTYA, valued as $20 million as of March 31, 2012, which accounts for 5.8% of his equity portfolio. Coleman owns 8,075,000 shares of LBTYA, valued as $404 million as of March 31, 2012, which accounts for 6.8% of his equity portfolio.

Liberty Global is the largest cable company outside the U.S. and owns interests primarily in broadband distribution and content companies operating outside the continental U.S.

Liberty Global has a market cap of $12.91 billion; its shares were traded at around $45.2 with a price-to-earnings ratio of 72.8 and price-to-sales ratio of 1.4. Liberty Global had an annual average earnings growth of 22.4% over the past five years.

In the first quarter, Liberty Global had a loss due to higher derivative losses, while consolidated revenue increased by 12% year over year, primarily due to its acquisitions of DBW and Aster and organic revenue growth, its highest growth since the third quarter of 2010. The company also had record subscriber growth.

 
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