With 10 million dollars, there are many investment opportunities to consider for building long-term wealth. Firstly, having a diversified portfolio is key, across stocks, bonds, real estate and alternative assets. Secondly, managing risk appropriately and having a long-term horizon are vital. Thirdly, keeping costs low through passive investments and having a solid team of advisors will enable success. With the right strategy, 10 million can compound significantly over decades.

Diversify across different asset classes
A prudent investment approach with 10 million dollars would be having a diversified portfolio across stocks, bonds, real estate and alternative investments. This balances risk and return in an optimal manner. For example, a portfolio could allocate 50% to stocks, 30% to bonds, 15% to real estate and 5% to alternative assets like private equity or venture capital funds. Rebalancing over time maintains target allocations.
Manage risk over long-term horizon
With 10 million dollars to invest, having a long-term horizon of 10-20 years is advantageous. This smooths out short-term market volatility. Additionally, managing risk appropriately to one’s risk tolerance level and financial situation is key through asset allocation. Various assets have different risk profiles, so constructing an optimal portfolio to match an investor’s preferences requires awareness.
Keep costs low and have advisor team
To successfully grow 10 million dollars over decades, keeping investing costs low is impactful. This means utilizing mostly passive investment vehicles like index funds and ETFs where possible, rather than higher-cost active management options. Additionally, having a team of knowledgeable advisors provides expertise in areas like taxes, estate planning, insurance and investments. They provide guidance on optimizing a 10 million dollar portfolio over time.
In summary, optimizing investment of 10 million dollars requires diversifying across asset classes, managing risk over long-term, keeping costs low and having an expert advisor team. This approach sets the stage for significant compound growth over decades.