It's been two years since Morningstar began issuing its stewardship grades, where the Chicago-based analyst rates mutual funds on items ranging from regulatory issues to corporate cultures, and along the way they've picked up a few, little-known tidbits about some well-known funds.

For example, San Francisco's Dodge & Cox is among one of the 10 largest shops by assets, yet it does virtually no marketing - it doesn't even employ a sales staff - and has had just four funds in its 70 years of existence. If the industry wants proof that performance, not marketing, sells, it need not look any further than D&C.

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