Love the fools downvoting this.
No, this isn't saying your favorite company is badly managed. And obviously Berkshire Hathaway doesn't think so either, or they wouldn't have so much money invested.
But ask yourself, why is a large institutional investor sharing this opinion now? Do you think it's for your benefit? Do you think it's because they're planning to increase their position in AAPL in the near future?
What you need to do is watch what they're doing, not what they're saying. Their position in AAPL is a sign of confidence. Coming out and saying how much they just love Apple, though? There's always a motive.