10 Stocks That Fidelity Funds Are Buying

BOSTON (TheStreet) -- The managers of Fidelity's biggest mutual funds have been cautious this year, judging from portfolio changes in the past few months. They mostly nibbled at stocks that the Boston-based fund firm already owns.

Fidelity's fund managers are known for sharing their best investment ideas with one another so it's not unusual for new buys, or sells, to ripple through portfolios company-wide, which can affect the markets. But, this year, it looks like most of the big guys are standing pat.

Fidelity manages 323 equity mutual funds with $635 billion in assets, making it one of the country's largest money managers.

To get an idea of its girth and potential market impact, Fidelity is the biggest shareholder of iPhone and iPad maker Apple(AAPL) , with 49 million shares at the end of 2011, or 5.3% of Apple's outstanding shares. That's about 1 percentage point more than the stake of the next-largest shareholder, Vanguard Group.