Currently, Michael Dell owns 82% of VMware. Of that portion, 50% is held by owners of the tracking stock DVMT. The other 32% is held by founder Michael Dell and private equity firm Silver Lake, the owners of Dell's DHI. The remaining 18% of VMware is publicly traded By having publicly traded stock, you could have an opportunity, and a good chance to own a piece of the Dell corporation. For a price, you can buy as many shares as you want (and are available on the market to be purchased).
Since it is a publicly traded company, a little research online, or a call to a stockbroker can give you all the information you need. Each share is bought separately, so you need to become familiar with the price, and also the risks involved.