How to Invest in GEICO Stock

Sign up with a stock broker. Companies that handle stock trades include E*Trade, Interactive Brokers, TradeKing, Charles Schwab, and others. The broker you select will depend on how much you want to invest, whether you want to handle your trading in person or online, and how much involvement you want from your broker.
Search for Berkshire Hathaway when looking up the price of stock. This is GEICO's parent company, so you will need to invest in them to invest in GEICO.
Decide how much money you want to spend. Multiply the stock's current price by the number of shares you want to buy to determine how much money you will need.
Send your broker the order for the stock. This can be done by phone for non-online brokers. For online brokers, you will need an account that you can manage yourself. Select how much of the stock you want to buy, and submit the order from your online account.
Send the broker money to buy your initial stock. For online brokers, you will need to register a credit/debit card, or bank account to cover the cost of the stock. For offline brokers, send them a check to cover the cost of the stock you want to buy.