15 Most Successful Penny Stocks in History

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10. Quality Systems, Inc. (NASDAQ:QSII)

Market Cap: $998 Million

Next on the list of most successful penny stocks in history is Quality Systems, Inc. (NASDAQ:QSII) that spent over a decade trading as a penny stock after it had gone public in 1982. In 2000s it started to grow and reached an all-time high of $48.50 in 2011. Adjusted for splits, the stock of the developer of software for the ambulatory care market in the US has surged by over 1,100%.

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