Since Aldi is a privately owned business, there are no stock options available. The parent company that owns Aldi, ALDI Einkauf GmbH & Co. OHG, is content with their profits at this time and enjoying the fruits of their family-brand labor.
Is Aldi going out of business 2022?
Although the pandemic has seen various retailers, chains, and restaurants closing its doors, it does not seem to have impacted Aldi and its business model (via Business Insider). As reported in the 2020 article, "Aldi is on track to become the third largest grocery chain in the US by store count by 2022."
Does Aldi own Trader Joe's?
Trader Joe's is owned by Aldi Nord, a separate entity from Aldi Sud, which operates Aldi US and all its stores here in the United States.