Investing 200 million dollars in stocks is a great way to grow wealth over the long-term. With such a large amount of capital, it is crucial to diversify across different assets, sectors and geographies. A balanced portfolio should include blue chip stocks, emerging market equities, real estate, fixed income and alternative investments. Periodic rebalancing is key to account for market fluctuations. Patience and discipline are required for long-term success. Dollar cost averaging into positions over time helps reduce risk. With proper diversification and asset allocation, 200 million can compound at 8-10% annual returns over decades.

Blue chip stocks provide stability while still offering growth
A core holding of 200 million dollar portfolio should consist of blue chip stocks like Apple, Microsoft, Amazon and other market leaders. While more conservative, blue chips have steady earnings and offer modest capital appreciation over time. Aim to allocate 20-30% of the portfolio here for an anchor against volatility.
Emerging markets bring higher growth potential despite added risk
Emerging markets like China, India and Southeast Asia are riskier but offer much more room for rapid growth given favorable demographics and rising middle class. Allocate 10-15% to leading companies in growing sectors like e-commerce, healthcare and consumer brands.
Real estate delivers diversification and tangible cash flows
Quality commercial real estate such as office towers, warehouses and apartments provide diversification from stocks along with tangible cash flows from rent. Target 15-20% allocation to real estate across different geographies and property types.
Fixed income yields stability amid stock market unknowns
Bonds dampen volatility and offer steady interest income. Scale allocation to investment-grade corporate and municipal bonds based on risk appetite and income needs. 10-15% in fixed income provides stability amid stock market fluctuations.
Alternatives like private equity boost diversification
Private equity, venture capital and hedge funds increase diversification into areas not accessible by traditional stocks and bonds. The illiquidity premium boosts long-term returns. Allocate 10-15% to alternatives which can outperform in unique market environments.
A 200 million dollar stock portfolio should be well-diversified across sectors, geographies and asset classes. Disciplined rebalancing and dollar cost averaging mitigate risk. With a balanced approach, the portfolio can target 8-10% annual returns over the long-term through compounding.