A concentrated investment is usually a successful investment and can be a double-edged sword. A highly appreciate investment can become a large portion of your portfolio exposing you to risk. A concentrated investment can be hard to manage due to the potential tax burden and emotional attachment.
There are a variety of ways to reduce the tax burden. You can utilize an exchange fund, invest in opportunity zones, tax-loss harvest, a combination of each, and many more obscure strategies. Each approach brings concrete benefits and downsides.
Even if you manage to find a tax-efficient way to diversify, you will still have a hard time walking away from the “winner”. The emotional baggage ranges from regret to feeling far too overconfident. The more you familiarize yourself with the different emotional challenges you will face the better the chances are that you will take the rational approach.
These blogs discuss a variety of ways that you can manage this exposure intelligently.