Most companies have lots of stock holder, if they are public LMT. But finite numbers of stock.
Private limited companies in some countries have limited number of stock holder not more then set by law.
In most cases it is 30, holder. They may or may not have stocks, but prefer to have them. they just have % of holding, if they do not have the stock(some call shares stocks).
You can check their individual site to determine the individual situation.
In most countries the major stock holders have to be listed, in case of Public LMT. Major means more then 5% of the total holding.
All high ranking official , that includes directors(active and inactive), key employees, their holding must also be listed.