Bill Gates might be one of the most successful investors alive, but his portfolio looks very different from what most financial experts recommend. While many investors strive for diversification to manage risk, Gates — through the Gates Foundation Trust — is heavily concentrated in just a few companies. And for him, that strategy seems to work. For the average investor, though, copying Gates' playbook could be a risky move. Don't Miss: Gates' Portfolio Is Focused — Very Focused Roughly 79% of the Gates F ...