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How Many Shares Should I Buy of a Stock?

So you've found a company to invest in. How many shares should you buy?

By Matthew Frankel, CFPUpdated Nov 7, 2025 at 10:02 AM | Fact-checked by Margo Winton Parodi

Key Points

  • Diversify your investment across multiple stocks to reduce risk.
  • Use available funds to buy exact or fractional shares, depending on the broker.
  • Consider using commission-free brokers to maximize investment returns.

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