I know this is a bit late, but I'll post this any way.
Disclaimer, I work in financial accounting(not investment management, I don't advise/manage money, other than my own). My knowledge of the markets is better than average. I don't have inside information and don't want it.
You can find information on Disney's stock here:
https://www.thewaltdisneycompany.com/investor-relations/
and any financial website.
To buy Disney stock, you need to buy through a broker or directly from Disney's transfer agent here:
https://shareholder.broadridge.com/disneyinvestor/
There are fees and costs associated with trading securities, and potential tax consequences. learn what they are before you decide to do anything.
Years ago I purchased shares in our joint account based on their fundamentals and I liked where they were going. (plus in general, I liked the company, their products and their people) Two+ years ago I bought shares in my Kids' custodial accounts for several reasons. 1. We were going to WDW in 2018(we can't wait for 2021 for when we are going back) and I wanted to get them interested in how public companies work. 2. By buying securities of companies they know and "interact" with, I'm hoping the get them interested in responsible personal finance. (Other examples of stock I bought for them is Hershey, Coca-Cola and Kraft Heinz) These are not their only investments. Their accounts are as diversified as I can manage given their age and future needs and size. All 4 of these investments has given some lessons on how the markets work. Some good, some not so good.